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Hioki MR8827, Instruction Manual

The Hioki MR8827 comes with a comprehensive Instruction Manual that ensures easy integration of this feature-packed product. Users can conveniently download the manual for free from our website, providing step-by-step guidance and a deeper understanding of the MR8827's capabilities. Enhance your experience with this reliable measurement instrument today!

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24

Basic Key Operations

The operation keys of the instrument and the menu displayed when you right-click the mouse are related 

as follows:

To operate and carry out settings for CH.SET, WAVE, and AB CSR click the icons displayed when a 

mouse is connected. The operation keys and icons are related as follows.

Icon

Operation key

CH.SET 

key

WAVE 

key

AB CSR 

key

Useful function

Dragging the right button of the mouse (Holding down the button, moving the mouse rightward, 

leftward, or upward, and then releasing the button) works the same as the following keys:

Rightward: START

Leftward: STOP

Upward: ESC

Summary of Contents for MR8827

Page 1: ...Oct 2018 Instruction Manual Be sure to read this manual before using the instrument Safety Information p 3 When using the instrument for the first time Troubleshooting Part Names and Functions p 16 Maintenance and Service p 383 Measurement Preparation p 25 Error Messages p 389 MEMORY HiCORDER ...

Page 2: ...Channel Settings 63 3 4 3 Logic Channel Settings 66 3 4 4 Displayed Sheet 67 3 5 Start and Stop Measurement 68 3 6 Measurement With Automatic Range Setting Auto ranging Function 70 4 X Y Recorder Function 71 4 1 Measurement Workflow 72 4 2 Measurement Configuration 73 4 3 Start and Stop Measurement 74 4 4 Waveform Observation 75 4 4 1 To Save and Print Waveforms 75 5 Save Load Data and Manage File...

Page 3: ...unction 158 8 7 Fine Adjustment of Input Values Vernier Function 161 8 8 Invert the Waveform Invert Function 162 8 9 Copy Settings to Other Channels Copy Function 163 8 10 Detailed Settings for Modules 164 8 10 1 Settings for the Anti Aliasing Filter A A F Model 8968 High Resolution Unit 166 8 10 2 Probe Attenuation Selection 166 8 10 3 Setting Model 8967 Temp Unit 167 8 10 4 Setting Model 8969 an...

Page 4: ...t Peak Value Settings 251 13 3 7 Average Analysis Results Waveform Averaging 252 13 3 8 Emphasize Analysis Results Phase Spectra Only 255 13 3 9 Analysis Mode Settings 256 13 3 10 Set the Display Range of the Vertical Axis Scaling 260 13 3 11 Set and Change Analysis Conditions on the Waveform Screen 261 13 4 Select Channels 262 13 5 Screen Display Settings 263 13 5 1 Display Running Spectrums 265 ...

Page 5: ...3 1 Memory Function 350 18 3 2 Recorder Function 351 18 3 3 X Y Recorder Function 352 18 3 4 FFT Function 352 18 4 Other Functions 353 18 5 File 358 18 6 Module Specifications 360 18 6 1 Model 8966 Analog Unit 360 18 6 2 Model 8967 Temp Unit 361 18 6 3 Model 8968 High Resolution Unit 363 18 6 4 Model 8969 Strain Unit U8969 Strain Unit 364 18 6 5 Model 8970 Freq Unit 365 18 6 6 Model 8971 Current U...

Page 6: ...ise Low pass filter p 65 Composing X Y Waveforms p 128 Locking the Keys KEY LOCK p 17 Initializing a CF card p 42 Scaling During Measurement Using a Current Camp Sensor p 153 To install a module Connect cables Insert recording paper Turn Power On 2 Set p 49 Select a function Select measurement settings Select input channels 3 Measure p 68 Start recording Stop recording 4 Analyze p 121 Save p 77 Pr...

Page 7: ...pping Please pay particular attention when checking the accessories panel keys and switches and connectors If you find damage or your HiCorder fails to operate according to specifications contact your authorized Hioki distributor or reseller Keep the packing material used for the shipping of the instrument because you need to use it when transporting the instrument in the future Unit and Accessori...

Page 8: ...ctric shock use appropriate protective insulation and adhere to applicable laws and regulations Notation In this manual the seriousness of risks and hazard levels are classified as follows DANGER Indicates an imminently hazardous situation that will result in death or serious injury to the operator WARNING Indicates a potentially hazardous situation that may result in death or serious injury to th...

Page 9: ...ions set out by the EU Directive Other Symbols This manual uses the following symbols to indicate specific information for operating the instrument p Indicates the location of reference information CURSOR Bold text Names of settings buttons and other screen elements are written in bold blue text Unless otherwise specified Windows refers to Windows Vista Windows 7 and Windows 8 IE is an acronym for...

Page 10: ...he instrument is rated could result in severe accidents and must be carefully avoided Using a measuring instrument that has no category rating in an environment designated with the CAT II to CAT IV category could result in severe accidents and must be carefully avoided CAT II When directly measuring the electrical outlet receptacles of the primary electrical circuits in equipment connected to an A...

Page 11: ...e instrument do not install the instrument in locations that are Exposed to direct sunlight or high temperature Exposed to corrosive or combustible gases Exposed to a strong electromagnetic field or electrostatic charge Near induction heating systems such as high frequency induction heating systems and IH cooking equipment Susceptible to vibration Exposed to water oil chemicals or solvents Exposed...

Page 12: ...er the opening of the removed module To prevent instrument damage or electric shocks use only the screws for securing the module in place that shipped with the instrument If you lose any screw or find that any screws are damaged please contact your Hioki distributor for a replacement CAUTION To avoid damage to the instrument protect it from physical shock during transport and handling Be especiall...

Page 13: ...se it to direct sunlight Store below 40 C 104 F and 90 RH Store away from dew and damp places Make photocopies of recording printouts that are to be handled or stored for legal purposes If the thermal paper is exposed to an organic solvent such as alcohol or ketone it may no longer develop properly and recorded data may fade Pressure sensitive tapes such as flexible PVC films and scotch tapes must...

Page 14: ... an adapter Model 9728 PC Card 512M Model 9729 PC Card 1G Model 9830 PC Card 2G With some external media the instrument may not start up if power is turned on while the external media is inserted In such a case turn power on first and then insert the external media Prior testing is recommended Unusual USB flash drives such as those that require fingerprint authentication or a password cannot be us...

Page 15: ...ng live lines with the connection cables WARNING To avoid electric shock and short circuit accidents use only the specified test leads to connect the instrument input terminals to the circuit to be tested To avoid electric shock do not exceed the lower of the ratings shown on the instrument and connection cords To prevent an electric shock accident confirm that the white or red portion insulation ...

Page 16: ...emory HiCorder Connect this instrument to the same outlet as the measurement object using the supplied grounding polarized power cord Connect the measurement object s ground to the GND terminal functional earth terminal of this instrument Always obtain power from the same mains circuit See 2 5 2 Ground the Functional Earth of This Instrument page 44 Before Turning the Power Supply On WARNING To av...

Page 17: ...fore making connections Be careful to avoid exceeding the ratings of external control terminals and external connectors Ensure that devices and systems to be connected to the external control terminals are properly isolated CAUTION To avoid equipment failure do not disconnect the USB cable while communication is in progress Use a common ground for both the instrument and the connection equipment U...

Page 18: ...em experiences in the course of using this disc When the Instrument is Not Used for a Long Period To avoid straining some parts of the printer and to prevent dirt adhering to the print head close the printer cover Perform three or four test prints printer check before using a printer that has been in storage for a long period Precautions During Shipment Keep the packing material that was used for ...

Page 19: ...14 Operation Precautions ...

Page 20: ...annels Measurement possible using up to 28 analog channels and 64 logic channels All channels can be measured simultaneously Selectable module according to the measurement details Modules can be selected from more than eight types High speed sampling 20 MS s Reliable response evaluation is possible Easy loading of recording paper High speed printing One touch insertion allows quick and trouble fre...

Page 21: ...Connect to the computer PC with the USB cable p 328 GND terminal Functional earth terminal Connect to Earth ground p 44 External control terminals An external sampling signal can be connected here p 335 Allows control of the unit Standard LOGIC terminals Input connectors for optional proprietary logic probes p 28 Various modules p 26 p 28 For details see the instruction manual of the respective mo...

Page 22: ...0 KEY LOCK When the ESC key is pressed for three seconds the keys are locked To cancel the lock press the ESC key again for three seconds START key Starts Measurement Lights up green during measurement Refer to p 307 SYSTEM key Displays the System screen p 305 TRIG SET key Displays the trigger settings window on the Waveform screen p 187 STOP key Stops Measurement Press once Measurement stops afte...

Page 23: ...ts p 107 COPY key Prints a hard copy of the display screen p 118 FEED key Feeds paper HELP key Opens help information p 22 SAVE key Lights up in blue while media is being accessed Saves data to storage media p 77 Turns dialog box display during auto save on or off ...

Page 24: ... and calculation settings Each push of the STATUS key cycles through the following sheets Status sheet Num Calc sheet Memory Div sheet Wave Calc sheet Status Screen View and update channel scaling and comment settings Each push of the CHAN key cycles through the following sheets Unit List sheet Each Ch sheet Scaling sheet Comment sheet Channel Screen View and update environment settings save and p...

Page 25: ... last trigger event p 187 Media icon Shows the media status p 40 Current date and time Shows the internal clock date and time p 46 Upper and lower limits The upper and lower limit values for each channel are shown here p 136 Settings window Set measurement conditions as follows p 52 Settings cursor The current cursor location flashes Elements Common to the Status Channel System and File Screens Hi...

Page 26: ...r each item Selecting a Setting Item Press the F key to change the setting item When there are more than five setting items press F5 Next Page key to switch to the next page Increasing or Decreasing a Setting Value Press the F keys to change the setting value Increase value quickly Decrease value quickly 3 For some setting items the CH SET key selects Exec and the TRIG SET key selects Cancel To en...

Page 27: ...u want to display help 2 Press the HELP key A Cursor Pos Help sheet is displayed at the cursor position You can scroll the information using the CURSOR up down keys or the jog knob Cursor You can change the size of the Help sheet with the CH SET key Available settings are full top half and bottom half The example above is for top half Pressing the HELP key toggles Cursor Position Help on and off ...

Page 28: ...ile USB communications are in progress External interference may cause the mouse to malfunction Keep the mouse and mouse cable as far away as possible from sources of interference To perform operations with a mouse Up Down Left Right Moves the mouse cursor on the screen Right click Displays a menu with a list of screens Screens displayed in gray cannot be selected Left click Left click to select m...

Page 29: ...AB CSR click the icons displayed when a mouse is connected The operation keys and icons are related as follows Icon Operation key CH SET key WAVE key AB CSR key Useful function Dragging the right button of the mouse Holding down the button moving the mouse rightward leftward or upward and then releasing the button works the same as the following keys Rightward START Leftward STOP Upward ESC ...

Page 30: ...surement being performed 5 Insert media CF card USB memory stick p 40 6 Load recording paper p 43 7 Connect the power cord p 44 8 Connect the GND terminal functional earth terminal When measuring in noise prone environments p 44 9 Turn Power On p 45 10 Set the clock p 46 11 Perform zero adjust Perform calibration When using Model MR8990 p 47 p 48 When preparation is complete start measurement p 49...

Page 31: ...ule and insert it firmly all the way in Make certain that the labels on the module s panel face the same direction as the labels on the back side of the instrument 3 Using a Phillips screwdriver tighten the two module mounting screws M3 7 5 mm To Remove a Module Handle Handle Example 8966 Back side Required items One Phillips head screwdriver No 2 1 Turn off the power to the instrument 2 Remove an...

Page 32: ... System Configuration list p 395 Analog channels only CH1 CH17 CH3 CH19 CH15 CH31 CH2 CH18 CH4 CH20 CH16 CH32 LA 1 4 LB 1 4 LC 1 4 LD 1 4 Module 2 Module 6 Module 4 Module 8 Module 1 Module 5 Module 3 Module 7 Module 10 Module 14 Module 12 Module 16 Module 9 Module 13 Module 11 Module 15 LE 1 4 LF 1 4 LG 1 4 LH 1 4 L7A 1 4 L7B 1 4 L7C 1 4 L7D 1 4 Mixed analog and logic units 2 Measurement Preparat...

Page 33: ... a BNC Terminal Example Model 8966 Analog Unit Connect to the BNC jack on a module 1 An optional power cord or AC adapter may be required 2 An optional AC adapter or a commercially available USB cable is required Connect with connection cables Model L9197 Connection Cord Maximum input voltage 600 V Large alligator clip type Model L9198 Connection Cord Maximum input voltage 300 V Small alligator cl...

Page 34: ... Large alligator clip type Model L9198 Connection Cord Maximum input voltage 300 V Small alligator clip type Model L9217 Connection Cord Maximum input voltage 300 V For measuring BNC output Model L9790 Connection Cable Maximum input voltage 600 V Terminal type Alligator contact grabber Example Terminal type Alligator If the voltage to be measured exceeds the maximum input rating of the module bein...

Page 35: ...ent object 3 2 4 1 Strip insulation from the thermocouple wires as shown at the left Stripped length approx 10 mm 2 Push the blade of a flat screwdriver into the button on the terminal block of the module 3 Insert each thermocouple wire into the appropriate terminal hole while pressing the button Confirm proper polarity 4 Release the button The thermocouple is connected 5 Connect to the measuremen...

Page 36: ...l U8969 Strain Unit via Model L9769 Conversion Cable 3 Connect Model L9769 to the strain gauge transducer 4 Connect the strain gauge transducer to a measurement object Connector s indentation Plug s slot U8969 Strain Unit Connect the L9769 1 2 Required items Model L9769 Conversion Cable strain gauge transducer 1 Insert Model L9769 into a connector of Model U8969 with the slot of the plug aligned w...

Page 37: ...ING COMMON F G N C The metal shell is connected to the GND of the instrument The metal shell is connected to the GND of the instrument Model L9769 Conversion Cable Strain gauge transducer end A F B C D G E Applied voltage bridge voltage of 2 V Connection of Model L9769 Pin F of the module end is connected with Pin A of the strain gauge transducer end Pin G of the module end is connected with Pin C...

Page 38: ...he up Model 9769 Conversion Cable Strain gauge transducer end A F B C D G E Applied voltage bridge voltage of 2V The metal shell is connected to the GND of Model 8969 1 2 3 4 5 6 7 Pin No Description 1 BRIDGE 2 SENSE 3 INPUT 4 INPUT 5 BRIDGE 6 SENSE 7 FLOATING COMMON Pin mark Description A BRIDGE B INPUT C BRIDGE D INPUT E FLOATING COMMON F G N C IMPORTANT Preforming measurement with a strain gaug...

Page 39: ...r plug Required tools Model 9318 Conversion Cable Model 9272 10 Clamp on Sensor 1 Align the grooves of the module s sensor connector and the conversion cable plug Insert the plug until it locks 2 Align the grooves of the conversion cable connector and the plug of the clamp sensor to be used Insert the plug until it locks 3 Connect the clamp sensor to the item to be measured To disconnect the conve...

Page 40: ...ent with the unit Connect with Logic Probes Model 9320 01 Logic Probe Model MR9321 01 Logic Probe Model 9327 Logic Probe Applicable Modules Model 8973 Logic Unit LOGIC terminals To Connect to Logic Terminals Example Connecting the 9327 Logic Probe Back Side 2 Connect to the measurement object 1 Logic terminals Required tools Model 9327 Logic Probe 1 Connect the logic probe by aligning the grooves ...

Page 41: ...odules Model MR8990 Digital Voltmeter Unit To Connect to Banana Jacks Banana jacks Connect the test leads Connect to the measurement object Black Red 2 1 Required tools Test leads above 1 Connect the test leads to the banana jacks on the module Connect the black lead to the L jack and the red lead to the H jack Make sure the test lead plugs are fully inserted into the jacks Connect the test leads ...

Page 42: ...940 Connection Cable Set 1 Connect the plug of the connection cable to the banana jacks on the module Connect the terminal and the plug of the same color 2 Insert the accessory clip into cable clips 3 Connect the cable clips to the measurement object Accessory clips Model L4934 Model L4934 Small Alligator Clip Set Model L4932 is required when using Model L4934 Model L4935 Alligator Clip Set Model ...

Page 43: ... To Connect to Output Terminals Example Model U8793 Output terminal SMB connector Connect the Connection cable 2 Connect to the object to which the waveform is being applied Output terminal Required items Connection cable mentioned above 1 Insert the SMB connector of connection cable in the output terminal of the module until you hear a click 2 Connect the cable clips to the object to which the wa...

Page 44: ...the connection cable to the object to which the waveform is being applied To disconnect output connectors Hold the button of connection cable while pulling the connector Connection cable connector Button Output connector Connect the Connection cable 1 Output connector 10250 52A2PL 3M products SCSI 2 connector Centronics half pitch 50 pin socket contact Refer to Output Connector Specifications p 33...

Page 45: ...opped out press it down first before inserting the CF card all the way in Inserting the CF card when the Eject button is not pressed down may cause damage to the instrument If the CF card cannot go all the way in do not force it in Press the Eject button so it pops out then press it down again before fully inserting in the CF card CF card slot Front side To remove a CF card Press the Eject button ...

Page 46: ...on the instrument USB Connector Type A Front side Depending on the intended use of the USB memory stick connector types and settings on the instrument will differ USB use Connector Instrument settings Reference information Interface USB setting USB memory stick Type A LAN USB Memory See procedure below To retrieve CF card or built in drive files from a computer PC using a USB cable Type B LAN Mass...

Page 47: ...tting storage media deletes all the information on the storage media and deleted information is unrecoverable Procedure Press the FILE key to open the File screen 1 Insert the storage media 2 Select Next Page Select Format The cursor moves to the Format Target item 3 Select the storage media to format and select Exec The specified storage media will be formatted A confirmation window will be displ...

Page 48: ...ress its left side until it clicks pressing it rightward Face the print side of the paper frontward Putting the paper in the holder without the paper roll axle installed will make the printer cover impossible to be opened resulting in damage to the printer 4 Pull out the edge of the paper toward the other side and close the printer cover pressing the edge face of the paper against the cover s side...

Page 49: ...ument 2 Plug the power cord into the mains outlet Back side 1 2 2 5 2 Ground the Functional Earth of This Instrument When measuring in a noisy environment you can improve the noise immunity by connecting the GND terminal functional earth terminal When using a potential transformer PT for AC power line measurements or similar the GND terminal of the PT must also be grounded Back side ...

Page 50: ...efore taking measurements Turn Power Off Before Turning Power Off When the power switch is turned off data recorded in the internal memory is erased If you do not want to lose recorded data save it first to a CF card or external storage media Refer to 5 Save Load Data and Manage Files p 77 Front side Power switch OFF Press the power switch The instrument is turned off When power is turned on again...

Page 51: ...ased trigger Printout of data including count of trigger events Saving measurement data Procedure Press the SYSTEM key to open the System screen and then select the init sheet 1 Move the cursor to the Clock item Date setting Year Month Day Time setting Hour Minutes Seconds 2 Select the digit to change and set the numeric value 3 Select Apply while the cursor is on one of the Clock items The clock ...

Page 52: ...ent The procedure may take several seconds Procedure Press the CHAN key to open the Channel screen and then select the Unit List sheet 1 Move the cursor to Zero Adjust 2 Select Exec Zero Adjust The zero adjust procedure is carried out Zero adjustment has no effect on the 8969 and U8969 Strain Unit Perform zero adjust using auto balance p 168 Perform zero adjust in the following cases When a module...

Page 53: ...nt However if the calibration setting is set to ON calibration is performed at the start of measurement Key operations are not accepted during calibration The time required for calibration varies depending on the type and number of modules installed in the instrument The procedure may take several seconds Procedure Press the CHAN key to open the Channel screen and then select the Unit List sheet 1...

Page 54: ...orm Waveform X Y Synthesis p 128 8 2 Display Waveforms During Recording Roll Mode p 147 8 3 Display New Waveforms Over Past Waveforms Overlay p 148 10 Numerical Calculation Functions p 209 3 Input Channel Settings Refer to Choose analog channel settings 3 4 2 Choose Analog Channel Settings p 63 Choose logic channel settings 3 4 3 Logic Channel Settings p 66 Application examples Refer to 8 1 Add Co...

Page 55: ...d the settings file from the File screen Saving the settings for different measurement targets or applications makes operation more convenient Refer to 5 3 Load Data p 93 To automatically restore previous settings at power up Stored measurement settings can be automatically loaded from a file when the unit is turned on Simply insert a CF card with an auto settings file before turning the unit on R...

Page 56: ...ceive an electric shock Request repairs When using probes and connection cables When using a clamp sensor Metal Exposed Yes No No Metal Exposed Go to Step 2 Go to Step 2 2 Instrument and Module Inspection Is there any visible damage to the instrument or modules Do the fans turn and the Hioki logo appear on the screen Does the Waveform screen appear If damage is evident request repairs The power co...

Page 57: ...tion Select the function according to the target and type of measurement Procedure Press the DISP key to open the Waveform screen Move the cursor to the function item the upper most column of the Settings window MEMORY Default setting RECORDER X Y RECORDER FFT Measure an instantaneous waveform or a transient phenomenon Trigger and calculation functions can be used Record the variation and monitori...

Page 58: ...00 1 div One Sample Data acquired within the specified sampling rate Minimum value Maximum value When input waveform variation is slight the difference between maximum and minimum values can be inordinately large if the sampling rate is short and severe fluctuations are present due to noise This may be prevented by setting a longer sampling rate One Sample When the sampling rate is short fast Mini...

Page 59: ...30 50 s div 1 min div 100 s div 2 5 min div To control sampling with an external signal select External and input the signal from the external sampling terminal To reset the setting to the internal sampling select Internal and set the time When external sampling is selected the number of samples per division can be set in the range from 10 1000 S div 17 2 3 External Sampling EXT SMPL p 342 With th...

Page 60: ...20 kHz 8 kHz 4 kHz 2 kHz 800 Hz 400 Hz 200 Hz 80 Hz 40 Hz 20 Hz 8 Hz 4 Hz 2 Hz 0 8 Hz 0 4 Hz 0 13 Hz 0 08 Hz 0 04 Hz 0 067 Hz 0 033 Hz 0 013 Hz S s Number of samplings second What is the maximum display frequency Displaying waveforms by their sampled values with adequate resolution of characteristics such as sine wave peaks requires a minimum of about 25 samples per waveform period Maximum display...

Page 61: ...nce between maximum and minimum values may become quite large as a result of sudden fluctuations such as those caused by noise To prevent this select a slower sampling rate or enable the module s lowpass filter p 63 Common The data refresh rate is not allowed to exceed the maximum sampling rate of the module During the period when data is not updated the same data is measured resulting in a stair ...

Page 62: ...0 div in 4 8 ch mode 1 000 000 div in 4 ch mode User Shot 1 to 160 000 div in 32 ch mode 1 to 320 000 div in 16 ch mode 1 to 640 000 div in 8 ch mode 1 to 1 280 000 div in 4 ch mode With the Recorder Function 1 Move the cursor to Shot 2 Select the type Fixed Shot Select from a range of preset values User Shot Freely specify any value in 1 division units 3 Set the recording length Fixed Shot Cont O...

Page 63: ... data samples for recording length Set recording length divisions 100 2 Each recording length division consists of 100 pairs of data points with each pair composed of two values the maximum and minimum measured values within each sampling period The MR8990 data measured by the recorder function has a resolution of 16 bits When recording length is set to Cont The instrument stores the maximum recor...

Page 64: ...ex Display and record using 16 graphs X Y Single Set input signal to X Y and display and record the correlation using 1 graph X Y Quad Set input signal to X Y and display and record the correlation using 4 graph With the Recorder Function Move the cursor to Format Single Display and record using 1 graph Default setting Dual Display and record using 2 graphs Quad Display and record using 4 graphs O...

Page 65: ... SET repeatedly cycles through the available sheets If the channel setting screen is hard to see due to waveform overlap narrow the waveform display width to divide the waveform display screen and trigger settings screen Refer to 7 7 3 Switch the Waveform Display Width p 136 To perform waveform interpolation Set the waveform display color in the channel setting window to Off Refer to 1 Waveform Di...

Page 66: ...nvert input value As needed p 151 Choose filter settings When there is noise p 65 Fine tune waveform amplitude As needed p 64 Set zoom on vertical axis voltage axis As needed p 64 2 Trigger settings As needed Refer to p 187 3 Waveform display color and position settings Refer to Set waveform display color p 63 Set display position and scaling As needed p 158 4 Graph display settings Refer to For 1...

Page 67: ...on may not be possible When using the Variable and Scaling functions together apply the Scaling function first If you apply the Scaling function after the Variable function you may not get the intended display result The setting workflow for logic channels standard LOGIC terminals LA LH expansion LOGIC terminals L1A to L8D is explained below 1 Select screen display related settings Refer to Set lo...

Page 68: ... channel will not be saved Refer to Select the channels to save p 84 On The waveform is displayed Select the display color with the F keys All On Off Switches the waveform display of all channels to all On or all OFF 2 Vertical Axis Voltage Axis Range Sets the vertical axis voltage axis range for each channel The value set here is the voltage of one increment on the vertical axis For information o...

Page 69: ...del MR8990 is installed p 48 The zero position of all channels can be changed at the same time using the zero position preset press Preset Ascending 3 96 The zero position of CH1 is set to 3 and the following channels up to CH32 are increased by 3 each Descending 96 3 The zero position of CH1 is set to 96 and the following channels up to CH32 are decreased by 3 each All Ch 0 The zero position of a...

Page 70: ...00 200 100 40 20 Model 8970 Count 400000 200000 80000 40000 20000 8000 4000 2000 800 400 Model 8970 Excluding power frequency and count 100000 50000 20000 10000 5000 2000 1000 500 200 100 Model MR8990 DVM 1200000 1200000 1200000 1000000 500000 200000 100000 50000 20000 10000 The brackets for the zoom factor indicate valid data ranges With Model 8967 Temp Unit the valid range differs depending on t...

Page 71: ...lor in which the waveform of the selected channel is displayed You can also select the same color as other channels For logic units the color can be specified for each units and each channel separately Off The waveform is not displayed If the auto save setting for Save Channel is Disp Ch data for this channel will not be saved Refer to Select the channels to save p 84 On The waveform is displayed ...

Page 72: ...lor display position logic width X Y waveform Display ON OFF display color X ch Y ch waveform calculation X ch Y ch Waveform calculation Display ON OFF waveform color scale setting upper lower limits graph Common setting Display format The measurement related settings other than above will be common to all displayed sheets When the range is changed the change is applied to all displayed sheets Whe...

Page 73: ...r to 5 2 2 Automatically Save Waveforms p 82 To print the waveform Refer to 6 Printing When Model U8350 Printer Unit is installed p 107 To Stop Measurement Press the STOP key once to stop recording at the end of the specified recording length Press the STOP key again to stop recording immediately The operation conditions for the START and STOP keys can be changed Refer to 15 System Environment Set...

Page 74: ...r the specified recording length Repeated triggering Trigger modes Repeat Pre triggering not enabled Stop Measurement Trigger Wait Recording Starts T Recording Stops Now Storing Start Measurement Recording Trigger Wait T Recording Starts START key STOP key Recording starts when a trigger event occurs continues for the specified recording length and returns to the Trigger Wait state Repeated trigge...

Page 75: ...ext lowest numbered channel will be used Trigger type Level trigger Slope Rising Trigger level Auto setup value Filter Off Status Screen Status Sheet Conditions Timebase Auto setting value time axis magnification 1 When measurement is started with the auto ranging setting the trigger output signal is output to the external control terminal block s TRIG OUT terminal Keep this in mind when performin...

Page 76: ...der waveform drawing can be controlled by simulated pen up down operation Simultaneous observation of up to 8 X Y phenomena is possible Because waveform information is stored in memory settings can be changed after measurement for repeated synthesis X Y Recorder Waveform Screen Example X Y4 screen OVER appears when the memory capacity is reached Memory usage is indicated by the bar 4 X Y Recorder ...

Page 77: ... Choose Analog Channel Settings p 63 Logic channels cannot be used Application examples Refer to 8 6 Set the Waveform Position Variable Function p 158 8 7 Fine Adjustment of Input Values Vernier Function p 161 8 1 Add Comments p 140 8 5 Convert Input Values Scaling Function p 151 4 Start Measurement Refer to 4 3 Start and Stop Measurement p 74 7 1 Read Measurement Values Using the AB Cursors p 122...

Page 78: ... Y Quad The waveforms of graphs 1 8 are shown and recorded on four screens Dots Line interpolation Determines whether to display and print the input waveform sampling data as dots sampling points or perform linear interpolation Dot display allows faster sampling Dots Display and print sampling data as dots Line Display and print sampling data using linear interpolation Default setting Disp Clear I...

Page 79: ...nt is stopped waveform data for up to 16 000 000 samples before the current point can be played back redrawn by the pen similar to using a video recorder starting from any specified point This setting applies to all channels The playback speed can be specified It can also be changed during playback Waveform is only played back on the screen and will not affect the printout data To print the same w...

Page 80: ...ssible to redraw up to 16 000 000 samples in the past counting backwards from the point where measurement was stopped Earlier waveform data is lost Redrawing with the jog shuttle is only reflected on the screen and will not affect the printout data To print the same waveforms as shown on the screen use the hard copy function p 118 4 4 Waveform Observation Waveform data for up to 16 000 000 samples...

Page 81: ...76 Start and Stop Measurement ...

Page 82: ... from the File screen To Open the File Save Sheet Press this key repeatedly to display the various sheets Environment Init File Save Printer Interface Operations available from the File Save sheet The following settings are available on the File Save sheet p 81 Auto save settings Set the method of automatic saving of waveform data SAVE key settings Set the method of saving when the SAVE key is pre...

Page 83: ... in which the files are displayed r Ascending order s Descending order Press this key Information is displayed for the selected file To Change Media 1 Verify that storage media is inserted Refer to 2 3 Prepare Storage Media p 40 2 Select Change Media and select a storage media type The files on the selected storage media will be displayed in the file list When Media is not displayed and you cannot...

Page 84: ...Waveform evaluation area BMP BMP Waveform evaluation area image data Arbitrary waveform data Binary WFG Arbitrary waveform data For U8793 Arbitrary waveform data Text TFG Arbitrary waveform data For U8793 Pulse pattern data Binary PLS Pulse pattern data For MR8791 Generation program data Program FGP Generation program data For U8793 1 Multiple data can be saved in the instrument and loaded selecti...

Page 85: ...ics programs 6 It is possible to print out loaded waveforms with text files created on a PC Other processing operations are not available Files larger than 2 GB cannot be saved Data That Cannot Be Loaded on the Instrument Data saved by other instruments Image files other than waveform evaluation areas Files displayed with this icon ...

Page 86: ...elect at save to No Select the save destination Press the SAVE key Set the data to save Save Data to save Settings data Waveform data Display screen Waveform screen Numerical Calculation Results Waveform evaluation setting data Waveform evaluation area Pulse pattern data Arbitrary waveform data Program data Selection Save Default setting Press the SAVE key and then specify the data to be saved Sav...

Page 87: ...odel U8330 SSD Unit is installed CF Automatically save the waveform data on a CF card USB Automatically save the waveform data on a USB memory stick LAN Automatically save the waveform data on a PC connected via LAN Model 9333 LAN Communicator required When the root directory topmost folder on the storage media is selected a folder named HIOKI_MR8827 will be created automatically If the media was ...

Page 88: ...mber is automatically added to the eginning of the file name default setting If the first character of the file name is a numeral the added number will continue sequentially from that number Serial Unconditionally a 4 digit number is automatically added to the beginning of the file name If a file with the same name exists saves the file adding the 4 digit number that is increased by 1 6 Set the sa...

Page 89: ... in the text format Data thinning reduced the file size Example When 1 2 is set every second data item is saved The number of data items is reduced to 1 2 the original amount Save destination Data can also be saved to a USB flash drive in real time but for data protection we recommend using Hioki s optional CF card instead 8 Select the channels to save Move the cursor to Save Ch Disp Ch Saves the ...

Page 90: ...to the specified storage media Maximum number of files per folder The combined maximum for files and folders created in one folder is 5 000 Refer to Auto save Operations When Setting the Save Destination to Storage Media p 86 Preparing files display Sometimes Preparing files is displayed after measurement starts This indicates that the instrument is checking the status of the destination where the...

Page 91: ...r has reached 5 000 or when the storage media is full files in the AUTO014530 folder or specified folder will automatically be deleted in sequence starting from the oldest file and replaced by new files Only waveform files will be deleted 0000AUTO MEM 0001AUTO MEM Up to 5 000 files 0000AUTO MEM CF File name will be 4 digit number file name A new folder will be created automatically when 5 000 file...

Page 92: ...01 11 HIOKI 9333 File names will be WAVE hours minutes seconds Waveform files 14 01 20 14 01 21 File names will be PRAMETER_ number Folder names will be YY MM DD File names will be WAVE hours minutes seconds WAVE124012 BMP Numerical calculation files PARAMETER TXT PARAMETER_1 TXT WAVE123015 MEM WAVE123245 MEM WAVE123245 TXT Folder name will be Model MR8827 IP address TEST 0000AUTO IDX 0001AUTO MEM...

Page 93: ...e being displayed 1 2 3 Select media Up down CURSOR Open next lower folder level Right CURSOR 2 Set the save destination Move the cursor to Save To and select Edit The Browse folders dialog box appears at bottom right Move the cursor to the storage media you want to save the data to and confirm the setting with Confirm HDD Automatically save the waveform data on the built in drive When Model U8330...

Page 94: ...racters 4 Specify the action if a file with the same name exists in the target folder Move the cursor to Same Name Auto If no files with the same name exist saves the file with the designated name Otherwise a 4 digit number is automatically added to the beginning of the file name default setting If the first character of the file name is a numeral the added number will continue sequentially from t...

Page 95: ... image viewing software Numerical Calculation Results Save numerical calculation results Memory Function only Waveform evaluation settings Save settings data and waveform evaluation areas Waveform evaluation area Save evaluation areas created with the waveform evaluation function as black and white BMP files Saved data can be edited on a PC and loaded back into the instrument Edit images in black ...

Page 96: ...o save To specify a range open the Printer sheet from the System screen and set the printing area to A B Wave Memory Recorder Function only Wave Image Shot 1 to 60 div Specifies the amount of data per file If the amount of measurement data is lower than the entered number of divisions only the actual measurement data amount will be saved Memory Recorder Function only Calc Result Folder to save New...

Page 97: ...s inserted and the loading target is correctly specified Procedure To open the screen press the FILE key to display the File sheet 5 2 1 3 4 1 Press Next Page 2 Select Pulse Patt Arb Waveform or Program 3 Enter a Save Name 4 Register a Unit No a Channel No and a Name of the MR8791 or the U8793 5 Press Exec The data registered in the module is saved to the media Refer to the instruction manual of M...

Page 98: ...oad Text comment On Printer sheet set Text Comment to Before Wave or After Wave Insert the storage media Select data to be loaded Extension TXT Select Load Select Exec Load Waveform evaluation area Insert the storage media Select data to be loaded Extension ARE BMP Select Load Select Exec Load Waveform output data Insert the storage media Select data to be loaded Extension WFG TFG PLS FGP Specify ...

Page 99: ... a file 3 Carry out the loading operation Select Exec The file will be loaded The name of the loaded file will appear on the screen To cancel loading select Cancel When loading data from the sources other than the internal memory built in drive Insert the storage media before selecting the media Other limitations Data saved with Memory HiCorders other than the MR8827 cannot be loaded When loading w...

Page 100: ... two extensions can be loaded Extension Explanation ARE Loads waveform evaluation areas and settings data Files saved by selecting Area settings when saving the data BMP Loads waveform evaluation areas Files saved by selecting Area image when saving the data can be edited on a PC and then loaded back into the instrument Data Loading for Waveform Generation Registration You can load data for genera...

Page 101: ...To change the storage media p 78 1 Select Change Media and specify the CF card 3 4 5 2 If a folder named HIOKI_MR8827 exists in the root directory topmost folder on media move the cursor to that folder If the folder does not exist go to the root directory A folder named HIOKI_MR8827 will be created automatically and used as the save location 3 Select Save and set Save Type to Setting 4 Move the cu...

Page 102: ...rence page CH SET Media Change Change storage media p 78 F1 Save Select channels and save settings data and waveform data as files p 98 Sort Sort the files in the file list in the selected order p 102 F2 Open Folder Open the selected folder p 100 Load Load settings data or waveform data from a file p 93 Copy Copy a file to a specified folder If selected item is a folder move to that folder p 104 F...

Page 103: ...Text Memory Recorder FFT Function Numeric value calculation results Numeric value calculation results Text Waveform evaluation settings Settings data and evaluation area Waveform evaluation area Evaluation area data Pulse pattern Pulse pattern data registered in the MR8791 Arbitrary waveform Arbitrary waveform data registered in the U8793 Program Program data registered in the U8793 Refer to 5 2 4...

Page 104: ...ttings data a settings file for automatic loading of settings can be created as follows specify the folder HIOKI_MR8827 on the CF card as the save location folder and use STARTUP as Save Name Refer to 5 4 Automatically Load Settings Auto setup Function p 96 8 Execute the save operation Select Exec To cancel saving select Cancel File name The maximum number of characters for Save Name is 123 The ma...

Page 105: ...return to a higher folder Press the Left CURSOR key 5 5 3 Create New Folders You can create a new folder in the currently displayed folder level Procedure Press the FILE key to open the File screen To change the storage media p 78 1 Navigate to the folder level where you want to create a new folder 2 Select 3 2 Select New Folder 3 Enter Folder Name Refer to 8 1 Add Comments p 140 4 Select Exec A n...

Page 106: ...iles DeleteTarget displays DeletePlural Slct Deslct Select the individual file or folder at the cursor If something is currently selected the selection will be cleared Slct Deslct All Select all files or folders If something is currently selected the selection will be cleared Rev Slct Currently selected files or folders will be deselected and currently unselected files or folders will be selected ...

Page 107: ...gs MEM waveforms etc Date Sorts files by creation date and time Size Sorts files by size 1 Select 1 2 2 Move the cursor to Order Ascending order A Z Old New Small Large Descending order Reverse sort order Folders files will be sorted in the specified order 3 Select OK The sort screen will close The order format will be displayed in the file list with Ascending order Descending order mark and indic...

Page 108: ...he FILE key to open the File screen To change the storage media p 78 1 Select the file or folder you want to rename 2 Select 3 2 Select Rename 3 Select Enter Char and enter Save Name Refer to 8 1 Add Comments p 140 4 Select Exec The file or folder will be renamed To cancel renaming select Cancel 5 Save Load Data and Manage Files ...

Page 109: ...ove the cursor to the target folder and confirm the setting with Confirm 5 When there are multiple copy targets Select Multi Files Slct Deslct Select the individual file or folder at the cursor If something is currently selected the selection will be cleared Slct Deslct All Select all files or folders If something is currently selected the selection will be cleared Rev Slct Currently selected file...

Page 110: ...rinter Unit is installed p 43 Procedure Press the FILE key to open the screen File screen To change the storage media p 78 Press the PRINT key The file list will print To cancel printing before it has finished Press the STOP key The file list will print as shown below Print Example 1 0001AUTO MEM 14 06 16 00 00 00 21kB 2 0002AUTO MEM 14 06 16 00 01 00 21kB File Name Type Date Size Attribute No Fil...

Page 111: ...106 Manage Files ...

Page 112: ...r to 6 6 4 Text Comment Printing p 119 Printer settings Print Speed p 115 Grid Type p 115 Channel Marker Type p 115 List p 116 Gauge p 116 Printer Density p 115 Horizontal axis Time axis Zoom Mag Comp p 116 Upper Lower Limit Print p 117 Zero Position Comment Print p 117 Print Counter p 117 As much as possible avoid printing in hot and humid environments Otherwise printer life may be severely short...

Page 113: ...ng paper For LAN output prepare the Model 9333 LAN Communicator After installation and connections are completed turn power on Set Select at print to No and specify output destination Set the print area Start and Stop Measurement Press the PRINT key Print During waveform printing the following can be printed Whole waveforms A B waveforms When the Roll Mode function is used printing can be carried ...

Page 114: ...as well as install it on a PC see the instruction manual of Model 9333 LAN Communicator When setting the output destination to LAN The IP addresses of the instrument and the PC connected via LAN must be set For more information about how to set the IP addresses refer to p 310 2 When using the Memory or FFT Functions Specify the output destination Move the cursor to Output Printer LAN The data is a...

Page 115: ...ecuted first However when the Roll Mode function default setting Auto is used with the Memory function auto print has priority If AB cursors are on during manual printing after acquiring waveform data the selected range will be printed Timebase Time div Measurement conditions Printing Up to 200 ms div Memory Function Roll Mode Off Data is acquired for the recording length then printed automaticall...

Page 116: ...us Printing of Numerical Calculation Results From the Status screen select the Num Calc sheet and set Print Calc Result to On Refer to 10 5 Print Numerical Calculation Results p 221 6 Printing When Model U8350 Printer Unit is installed ...

Page 117: ...TEM key to open the System screen and then select the Printer sheet 1 Enable data selection at time of printing Move the cursor to Select at print Select Yes 2 Specify the output destination Move the cursor to Output Printer The data is automatically printed by the internal printer Default setting LAN The data is automatically output to the PC connected via LAN Model 9333 LAN Communicator required...

Page 118: ...o set the IP addresses refer to p 310 4 Select print contents and execute printing When you press the PRINT key the Exec Select print GUI appears on the right side of the screen Whole Wave Print all waveform data in internal memory of the unit Default setting A B Wave Print only A and B cursors defined range of waveform data in the internal memory of the unit Memory Recorder Function only About Tr...

Page 119: ... the CHAN key to open the Channel screen and then select the Unit List sheet or Each Ch sheet Unit List sheet Each Ch sheet Move the cursor to the Wave or Wave_Disp Light Midlight Standard Default setting Middark Dark When the waveform print density is Light a temporary drop in power voltage for example a momentary power failure during printing may cause the print to fail ...

Page 120: ...nel marker type Move the cursor to Ch Mark Print Example 1 Channel number Comment Voltage Off Do not print the channel number or comments Ch No Print the channel number Default setting Comment Print the comments entered in the Channel Settings screen over the waveform A comment must have been set Refer to 8 1 Add Comments p 140 Grid Type Grids displayed on the screen are not reflected in the print...

Page 121: ...t item Off Do not print a list Default setting On Print list after waveform 7 Select the type of gauge Move the cursor to Gauge Print Example Gauge List Off Do not print a gauge Default setting Before Wave Print gauge before waveform After Wave Print gauge after waveform Before Aft Wave Print gauge before and after waveform 8 Set the horizontal axis time axis magnification and compression Move the...

Page 122: ...nt the date of printing and the waveform acquisition count Example 04 8 1 0001 Name Print the counter name and the waveform acquisition count Example Device A 0001 When Date or Name is selected If you want to begin from an arbitrary count Move the cursor to Counter Num and set an arbitrary count Refer to 8 1 3 Alphanumeric Input p 143 The count is automatically cleared to zero when the instrument ...

Page 123: ... The waveform range as displayed on the Waveform screen upper and lower limit values and channel settings are printed in A4 size When zoom display is enabled two zoom display screens are printed The AB cursor pair shown on the Waveform screen is also printed If the comment type is set to Comment or Set Com on the Comment sheet of the Channel screen the title comment can also be printed Refer to 8 ...

Page 124: ...her suitable application on the PC The maximum size of the text comment that can be imported to the instrument is 104 200 Print width will be adjusted to the widest line 2 Press the SYSTEM key and set Text Comment on the Printer sheet Off Text comment is not printed Default setting Before Wave Text comment is printed before waveform After Wave Text comment is printed after waveform 3 Press the FIL...

Page 125: ...120 Miscellaneous Printing Functions ...

Page 126: ...available from the Waveform screen AB Cursor Read measurement value p 122 Specify a waveform range p 125 Magnify and Compress Waveforms Magnify and Compress Horizontal Axis Time Axis p 130 Zoom Function Magnifying a Section of the Horizontal Axis Time Axis p 131 Magnify and Compress Vertical Axis Voltage Axis p 132 Move the Waveform Display Position Use the jog and shuttle knobs p 126 Move the pos...

Page 127: ...target channel Subject CH for A and B Move the cursor to A and B ALL Shows measurement values for all channels When cursor type is Trace or Range Ch1 to Ch32 Show measurement values in selected channels out of CH1 to CH32 for 1 2 4 8 screens Gr1 to Gr8 Specify X Y synthesis for Gr1 to Gr8 for X Y screen Analog Ch Calc Ch When there is data on which waveform calculation has been performed the curso...

Page 128: ...asured value of channel B A value Difference between measured values at AB cursors A B B A Trace Time and Measurement Values Time Values A B cursor values Time from trigger point or recording start B A value Time difference between AB cursors Measurement Value A B cursor values Memory function measurement value Recorder function maximum minimum values B A value Difference between measured values a...

Page 129: ...CH2 waveform Cursor Value Cursor types Cursor Value Cursor Value Display Example with two cursors X axis X axis measurement value A B B A See Screen display above Y axis Y axis measurement value A B B A Y axis channels Cursor A measurement value Cursor B measurement value Difference between measured values at AB cursors Trace Time and X axis Y axis measurement value Y axis X axis A B B A B A X and...

Page 130: ...fer to 6 2 Auto print Settings p 109 or 6 3 Manual Printing With the PRINT Key Selective Printing p 112 For X Y synthesis Status screen Status sheet Combo Area and then select A B Wave Refer to 7 1 Read Measurement Values Using the AB Cursors p 122 For numerical calculation Status screen Num Calc sheet Calc Area and then select A B Wave Refer to 6 2 Auto print Settings p 109 About reading measurem...

Page 131: ... upper waveform Red bar Recorded waveform Gray bar if waveform is within recording length With zoomed display p 131 7 3 2 Scroll With Jog and Shuttle Knobs Scroll When measuring or displaying an existing waveform use the jog and shuttle knobs to scroll Jog Shuttle The scrolling speed is controlled by the rotation angle of the shuttle knob Press the WAVE key to assign the jog and shuttle knobs to w...

Page 132: ...y to open the WAVE settings GUI displays 1 Use the F keys to specify the position The yellow frame on the scroll bar indicates the position to change to 2 Select Move The selected display position appears on the screen New position To move the position when Memory Div On with the Memory function Press the F1 key pos block With no block displayed in the upper part of the screen move the position Wh...

Page 133: ...re shown and recorded on a single screen X Y Quad The waveforms of graphs 1 8 are shown and recorded on a four screens 2 Move the cursor to the Dots Line item Dots Measurement data only are shown as dots Order stored in memory will not be displayed Line Measurement data are linked by a line in the order stored in memory and shown as a waveform Default setting 3 Move the cursor to Combo Area Refer ...

Page 134: ...he X time axis and Y voltage axis and assign a channel The same channel can be assigned multiple times 4 5 To synthesize waveforms between A and B cursors Perform the following steps 1 Press the STATUS key to bring up the Status screen and select the Status sheet 2 Select 1 2 4 8 or 16 screens as Format 3 Press the DISP key to display the Waveform screen 4 Use the AB cursors to specify the range f...

Page 135: ...agnified Display 2 Procedure Press the DISP key to open the Waveform screen 1 Move the cursor to the Magnification 2 Select display magnification Memory Function 10 5 2 1 1 2 1 5 1 10 1 20 1 50 1 100 1 200 1 500 1 1000 1 2000 1 5000 1 10000 1 20000 1 50000 1 100000 1 200000 When Zoom On is selected a section of the time axis will be magnified Refer to 7 5 2 Zoom Function Magnifying a Section of th...

Page 136: ...magnification Zoom ratio waveform 2 Select Zoom On The Zoom function is enabled and the screen is split into upper and lower halves Upper waveform to be magnified Lower magnified zoomed section of waveform 3 Select display magnification for the zoomed waveform section Move the cursor to the Zoom Mag and set the magnification The zoomed waveform section at the lower half of the screen is magnified ...

Page 137: ...ation This applies to the Memory and Recorder functions Waveforms on each channel can be magnified or compressed along the vertical axis voltage axis for display or printing Magnification and compression are based on the zero position Normal Display Magnified Display 2 Procedure Press the DISP key to open the Waveform screen and then press the CH SET key to open the channel settings window Analog ...

Page 138: ...d for each graph Upper and lower limit indication is combined with level monitor Refer to 7 7 1 Show Upper Lower Limit on Waveform Screen p 136 Logic channel level display How to Interpret Level Monitors Analog channel level display High High Low Low Input level Waveform Display Range Full Span Logic channel level display When the display setting is On the part indicated in white takes the color s...

Page 139: ...aveform screen Press the Return to Waveform screen appears at the right side of the Display menu screen or press DISP key To pause hold the display Press HOLD On Off appears at the right side of the Display menu screen HOLD mark which indicates the HOLD status will be displayed on screen To cancel the pause hold of display Press HOLD On Off to cancel the HOLD status When executing Zero adjust Zero...

Page 140: ...ower limit value indication and comment display It also allows you to set the waveform display width Refer to About level monitor p 133 Procedure Press DISP to open the menu File screen Press DISP Select the WAVE WIDTH menu Comment Display Menu Upper and Lower Limit Value Displayed sheet switching To hide the menu Select the same menu again 7 Waveform Screen Monitoring and Analysis ...

Page 141: ...crease the Wave Width 7 7 3 Switch the Waveform Display Width Select Wave Width to change the display width of the Waveform screen If a waveform is hard to see because of numeric value and settings information this function can be used to separate the waveform and other information The function is also active for the Channel settings window and Trigger settings window 7 7 4 Switch the Channel Rang...

Page 142: ...s Using the AB Cursors p 122 Blue blocks Saved blocks blocks in use Data trigger time of the selected block Green blocks Currently selected displayed block Blocks with light blue frame Referenced blocks 1 Press the DISP key to display the waveform 2 Press the WAVE key 4 Use Left or Right to move the displayed block 3 Select Pos Block The block is displayed in the upper part of the screen To overla...

Page 143: ...138 View Block Waveforms ...

Page 144: ... thermocouple type Reference point compensation settings Wire break detection settings Data updating settings Executing auto balance Probe attenuation settings Response settings Measurement mode settings Add Comments p 140 Set the waveform display freely p 158 Convert input values Scaling p 151 Fine Adjustment of Input Values p 161 Invert a waveform p 162 Copy a setting to another channel p 163 8 ...

Page 145: ...the title Off Title comment not printed Setting Equipment settings will be printed Comment Title will be printed Set Com Both equipment settings and title will be printed 2 Enter a title comment Move the cursor to Comment Input Enter comment text Refer to Entering Text p 143 Clear Clear entered information Undo Return to the state before the most recent change To select from preset terms Pressing ...

Page 146: ...nd then select the Comment sheet 2 1 1 Select the print content for each analog channel Move the cursor to Each Ch Print for each channel Off No channel comment will be printed Setting Settings for each channel will be printed Not displayed on screen Comment Comments for each channel will be printed Set Com Both settings and comments for each channel will be printed 2 Enter comments for each analo...

Page 147: ... channel page Move the cursor to Each Ch Print Off Comments are not printed Comment Comments are printed 4 Enter the comment for each logic channel Move the cursor to Comment Input Enter comment text Refer to Entering Text p 143 Clear Clear entered information Undo Return to the state before the most recent change To select from preset terms Pressing the WAVE key after activating text input brings...

Page 148: ...s Move the cursor to RESET and push Enter Char SPACE Inserts a space Move the cursor to SPACE and push Enter Char OVWR INS Toggles between Overwrite OVWR and Insert INS mode Move the cursor to OVWR INS and push Enter Char to switch OVWR INS Move the character input position left Move the character input position right Character input position Move with Jog knob or Character selection cursor Move w...

Page 149: ...ymbols Characters entered as units may be saved differently Saving of numerical calculation results or text format information 2 2 3 3 μ u Ω o ε e c Characters not allowed in file names can not be entered Please use only uppercase letters ...

Page 150: ...e comment field and select Enter Char The virtual keyboard will be displayed 2 Press the WAVE key to select from preset terms A list of preset terms will be displayed Press the AB CSR key to select from the past inputs A History list will be displayed Press the ESC key to cancel selection from the history list 3 Use the Up down CURSOR keys or the jog knob to select a term from the list and select ...

Page 151: ... increase or decrease the value 3 Select Confirm to accept the entry Press the ESC key to cancel the input Enter Numerals With a Numeric Keypad 1 Move the cursor to the numeric input field and select Tenkey Entry A virtual keyboard for numeric keypad input will be displayed 2 Enter numeral at the virtual numeric keypad ESC Cancel input BS Delete 1 character C Delete all characters Enter Accept the...

Page 152: ...splayed using a time axis faster than 100 ms per division or when the time base is 5 μs div the waveform will be displayed after it has been captured When the Roll mode function is On Roll Mode function and Overlay function cannot be used together When the Roll Mode function is enabled the Overlay function is automatically set to Off And when the Overlay function is enabled Roll mode is set to Aut...

Page 153: ...ursor to Overlay Off Overlay disabled Default setting Auto Each time a waveform is acquired it is automatically displayed as an overlay When the trigger mode is Cont or Auto waveforms will be overlaid from measurement start to stop Manual Overlay waveforms on the screen manually See the next section for the method of overlay This mode cannot be used simultaneously with Roll Mode Refer to When the ...

Page 154: ...the last acquired waveform The following operations are not available on the waveform screen Waveform scroll Zoom function On Off Change horizontal axis time axis magnification compression Change zero position In the following cases overlaid waveforms are cleared and only the most recent waveform is displayed When Format is changed on the Status sheet When Combo Area has been changed Format set to...

Page 155: ...LD are stored by using 4 bits of analog channels CH1 to CH4 and standard logic channels LE to LH are stored by using 4 bits of analog channels CH9 to CH12 Available channels When Used Ch is set the available analog channels standard logic channels and the logic channels of Model 8973 Logic Unit are as follows Used channel Analog Standard logic Model 8973 Logic Unit 4ch CH1 CH2 CH17 CH18 LA LB LE L...

Page 156: ...alue per volt conversion ratio eu V of the input signal an offset value and measurement unit name eu engineering units for conversion so measurement values acquired as voltage are converted to the specified units Example Conversion ratio A value per volt Offset value B Unit name A A B Convert from slope conversion ratio and offset value V Set with Two Points Set the voltage values of two points of...

Page 157: ...ple Decimal 1 2345 mV Exponent 1 2345E 03 V 4 Enter the numerical values for conversion When you have selected Ratio Set conversion ratio and offset Move the cursor to and enter values for Ratio and Offset Enter numerical values in each field 9 9999E 9 to 9 9999E 9 Refer to Alphanumeric Input p 143 When you have selected Point Set input values for two points and the values after conversion Move th...

Page 158: ... If you want the Variable function setting to take priority use either of the following procedures Set Scaling first then set the Variable function Set a Variable value before Scaling then set Scaling When automatic correction of the Variable function variable auto adjustment is disabled Off the Scaling and Variable settings are unlinked independent of one another 8 5 1 Scaling Examples When using...

Page 159: ...play to 20 mV per division the instrument s 20 mV div range A Before Scaling After Scaling With scaling signals from the sensor are acquired as current rather than voltage AB cursors and gauges are displayed and printed as current Ampere values Refer to Gauge p 116 or Cursor AB Value p 109 When using Model 8969 or U8969 Strain Unit Example 2 To display data measured with the strain gauge transduce...

Page 160: ... enabled them to be displayed as physical values Values at the Cursors A and B and gauges are displayed and printed as physical values Refer to Gauge p 116 or Cursor AB Value p 109 Set the parameters such that the rated capacity divided by two times the rated output is less than or equal to 9 9999 109 8 Utility Functions ...

Page 161: ...ersion ratio For example if the gauge rate is 2 1 the conversion ratio is 0 952 2 2 1 Example 4 Measure using a strain gauge gauge rate 2 1 and display the measured data in units of G The scaling conversion ratio needs to be calculated to include both gauge rate and physical value conversions In this case the conversion ratio setting is the product of the conversion ratios of the gauge rate and me...

Page 162: ...o 2 Move the cursor to the conversion rate setting Select dB Scaling in the function column 1 2 2 3 In the displayed entry field and physical quantity field enter 40 dB and 60 dB respectively 4 After entering the values select Confirm Refer to 8 1 3 Alphanumeric Input p 143 The conversion rate for the entered dB value will be entered The offset becomes 0 8 Utility Functions ...

Page 163: ...r division 1 div setting Set the amplitude to be displayed per vertical division and the zero position of the waveform on the vertical axis voltage axis Per Division 1 V Zero position 0 Normal Waveform Variable Function Per Division setting 1 V 0 V 0 V 10 V Set the Upper and Lower Limits Upper Lower setting The upper and lower limits on the vertical axis voltage axis can be set to display the wave...

Page 164: ... setting upper and lower values Move the cursor to Upper and Lower and specify the values When these are changed the display range and zero position values also change accordingly When upper and lower values are set waveforms can be displayed at full span on the screen Depending on the scaling setting the upper and lower display values may be less than 1 In such cases set Variable to On then selec...

Page 165: ...so that the displayed size of waveforms is unchanged When auto correction of the Variable function is disabled Off Set the Variable function after setting Scaling If you set the Variable function first enter post scaling values converted physical values To display the full span of output from a sensor By using the Scaling and variable functions in combination voltage from a sensor can be converted...

Page 166: ...ISP key to open the Waveform screen and then press the CH SET key to open the channel settings window Analog sheet 1 Move the cursor to the vernier setting of the channel you want to adjust 2 Make the adjustment with the F keys while watching the waveform Vernier Magnify waveform Vernier Compress waveform Vernier Reset Return waveform to original position The adjustment range is 50 to 200 of the o...

Page 167: ...minus direction and pushing it away from the observer as the plus direction the output will be plus positive for pulling and minus negative for pushing Procedure Press the DISP key to open the Waveform screen and then press the CH SET key to open the channel settings window Analog sheet 1 Move the cursor to Mag for the channel whose waveform you want to invert 2 Select Invert The waveform data pri...

Page 168: ...cedure can be used for calculations as well as channels Procedure Press the DISP key to open the Waveform screen and then press the CH SET key to open the display range window 1 Move the cursor to the copy source channel number calculation No 2 Select Copy 3 Move the cursor to the channel number calculation No where you want to paste the settings 4 Select Paste To copy to all channels calculations...

Page 169: ...Settings for Modules Using the Each Ch sheet accessed from the Channel screen you can make detailed settings for each module To Open Each Ch and Make a Channel Selection Shows the channel number and channel position Select the channel Press this key ...

Page 170: ...Analog CH19 LG CH20 Analog CH20 LH CH21 Analog Analog CH21 CH22 Analog CH22 CH23 Analog Analog CH23 CH24 Analog CH24 CH25 Analog Analog CH25 CH26 Analog CH26 CH27 Analog Analog CH27 CH28 Analog CH28 CH29 Analog Analog CH29 CH30 Analog CH30 CH31 Analog Analog CH31 CH32 Analog CH32 CH1 to CH4 and CH17 to CH20 provide 12 bit precision when logic channels LA to LH are used When Model 8970 Freq Units a...

Page 171: ...ting On The anti aliasing filter is enabled When external sampling is used the antialiasing filter AAF is not available 8 10 2 Probe Attenuation Selection Refer to To Open Each Ch and Make a Channel Selection p 164 Probe Set this when performing measurement with a connection cable or probe 1 1 Model L9197 L9198 or L9217 Connection Cord connected to the input module Default setting 10 1 Model 9665 ...

Page 172: ...mpensation EXT Reference junction compensation is not provided within the module Measurement Accuracy The accuracy of temperature measurement only Burn Out A broken thermocouple wire can be detected during temperature measurement Normally when a thermocouple wire breaks measured values exhibit random instability Off Broken wires not detected On Broken wires detected Wire breakage is detected by se...

Page 173: ...be executed for all channels where a Model 8969 or U8969 Strain Unit is installed Auto Bal Ch 1 Auto balance will be executed for the currently selected channel Auto balance can also be executed from the Channel settings window Analog sheet if the range of a channel with an installed Model 8969 Strain Unit is selected To Open the Channel settings window Analog sheet Refer to 3 4 2 Choose Analog Ch...

Page 174: ...ion 25 kHz or higher cannot be measured Ignored Calculation 40 μs Waveform loaded Waveform loaded VRange Input voltage Set the maximum level for the input signal 10 V Default setting 20 V 50 V 100 V 200 V 400 V Select the value using the F keys Threshold value When the measurement waveform exceeds the threshold value the measurement value is acquired based on the time interval and the number of ti...

Page 175: ...Default setting Trigger When a trigger is applied counting starts When Start is set there is some internal processing time between pressing of the START key and the start of measurement Therefore the count value is not zero at the start point When Start is set and the trigger level is exceeded while waiting for the pre trigger the trigger is not enacted Furthermore the time for internal processing...

Page 176: ...oothing This is enabled only when Mode is Freq or RPM Set smoothing Off The measured data is recorded as is A step waveform Default setting On The measured data is interpolated so that the waveform is smooth before it is output Upper limit 10 kHz further delayed from Off Hold This is enabled only when Mode is Freq or RPM Set hold for frequency and count Off 1Hz 0 5Hz 0 2Hz 0 1Hz When the frequency...

Page 177: ...r CT6865 is connected to Model 8971 Current Unit through Model 9318 Conversion Cable the instrument recognizes that as an 500 A AC DC sensor is connected set the scaling ratio to 2 00 Range DC Current measurement Default setting RMS RMS current measurement 8 10 7 Setting Model 8972 DC RMS Unit Refer to To Open Each Ch and Make a Channel Selection p 164 Mode Switches between voltage measurement and...

Page 178: ... PLC 0 1 to 0 9 1 Default setting to 10 20 30 40 50 60 70 80 90 100 Example When the power frequency is 50 Hz and NPLC is set to 10 20 ms 10 200 ms The measurement data refresh rate becomes 200 ms Fast response Data can be refreshed at high speed Off Refreshes data at the integration time set for NPLC Default setting On Calculates the moving average and refreshes the data at high speed Refreshes t...

Page 179: ... Unit are changed However there will be no wait time when measurement is performed with the same settings When this is set to Off Default setting perform calibration manually Refer to 2 8 Perform Calibration When Model MR8990 is installed p 48 8 10 9 Setting Model U8974 High Voltage Unit Refer to To Open Each Ch and Make a Channel Selection p 164 Mode Switches between voltage measurement and RMS m...

Page 180: ...e output Frequency Sets the frequency of output signal 0 Hz to 20000 Hz Amplitude Sets the amplitude of output signal The output voltage with guaranteed accuracy is the sum of the amplitude and the offset between 10 V and 10 V If the sum of the amplitude and the offset is set outside the guaranteed accuracy range parts of the waveform will be clamped to the upper limit approximately 14 V and the l...

Page 181: ... circuits Output Turns waveform output On Off On Outputs waveform Off Does not output the waveform Control Sets the waveform output RUN Starts output PAUSE Pauses output While output is paused the output at the time PAUSE was pressed will be output STOP Stops output Method Selects the control method for waveform output Manual Restricts control of signal output to Signal Generation screen Sync Augm...

Page 182: ...utput Refer to the instruction manual of Models U8793 MR8790 and MR8791 regarding the detailed settings for pattern output The pattern output can be selected only when used channel is set to 32 ch When the used channels is changed the pattern data will disappear Setting Channels to Use Refer to Refer to 8 4 Setting Channels to Use Extending the Recording Length p 150 Frequency Sets the frequency f...

Page 183: ...eform output Manual Restricts control of signaRefer to 8 4 Setting Channels to Use Extending the Recording Length p 150 l output to Signal Generation screen Sync Augments manual control with signal output in synchronization with the start and end of measurement START key Starts output when measurement starts STOP key Stops output when measurement stops Keys Augments manual control by allowing sign...

Page 184: ...etting Sine Sine wave output Square Rectangular wave output Pulse Pulse wave output Triangle Triangular wave output Ramp up Ramp up wave output Ramp down Ramp down wave output Arbitrary Outputs the created waveform Program Outputs the waveform set in the program Refer the instruction manuals of Model U8793 MR8790 and MR8791 for the settings at the time of program selection Frequency Sets the frequ...

Page 185: ... of the amplitude and the offset is set outside the guaranteed accuracy range parts of the waveform will be clamped to the upper limit approximately 16 V and the lower limit approximately 11 V 10 V to 15 V Phase Sets the phase 360 to 360 Duty Sets the duty when selecting pulse wave 0 1 to 99 9 When Off Sets the terminal status when the output is off Open Opens the output terminals separating them ...

Page 186: ...es output Settings when selecting arbitrary waveform Data name Register delete the data of the outputted waveform Maximum eight waveforms can be registered Filter Filter the output waveform Off Default setting to 1 MHz Clock Freq Set the clock frequency of the D A converter that generates waveforms The period and frequency of the output waveform are displayed on the lower level Delay Set the delay...

Page 187: ... select Arbitrary using the F keys 2 Register the waveform Move the cursor to the item listed below Arbitrary on the settings screen 3 Select a reading source of the waveform Resister From File Registers from data saved in the media Register From Meas Registers the data measured using memory function You can also register after reading the MEM files from media to the instrument or Select arbitrary...

Page 188: ...aveform Generator Unit Register From Files 1 Select Register from file using F keys 2 Select to File scrn using the CH SET key Move to the file screen 3 Select arbitrary waveform file WFG or TFG on the file screen and then register 8 Utility Functions ...

Page 189: ...aveform calculations Z1 to Z16 4 Set the data count to be registered Whole waveforms Registers the whole wave A B waveforms Registers the waveforms between AB cursors Tenkey input Randomly sets data lead position and data count in the numeric keypad input Data count more than 250 000 maximum registerable data count cannot be registered 5 Set the conversion ratio Amplify or attenuate a voltage valu...

Page 190: ... screen can be changed on the Waveform screen The ability to configure and change these settings while outputting and measuring the resulting waveform provides a convenient way to measure a waveform while varying its parameters 3 4 1 Display the Waveform screen if viewing another screen press DISP to display the Waveform screen 2 Press CH SET to display the tabs 3 Press CH SET or select the Genera...

Page 191: ...186 Setting Output Waveform Parameters ...

Page 192: ...eform display width to divide the waveform display screen and trigger settings screen Refer to 7 7 3 Switch the Waveform Display Width p 136 Operations available from the Trigger settings window Logic Trigger Settings p 195 Combined trigger logic settings Trigger filter settings Trigger pattern settings Analog Trigger Settings p 190 Level Trigger Window trigger Period trigger Glitch trigger Voltag...

Page 193: ...ired AND OR logical combination of analog logic external and timer triggers p 206 Start Measurement Press the START key to start measurement The key will light up in green Operation may differ depending on the START key behavior settings p 307 Data acquisition starts when trigger criteria are met To stop measurement press the STOP key Press once Recording will stop at the end of the specified reco...

Page 194: ...s the Trigger Wait state Press the STOP key to stop measurement See below Auto Triggers are accepted continuously If no trigger is applied within about one second a waveform of the specified recording length is automatically recorded Press the STOP key to stop measurement Available options depend on the function Trigger modes Function Single O O Default setting Repeat O O Auto O Default setting To...

Page 195: ...91 3 Voltage Sag Trigger p 192 4 In Period Trigger Out of Period Trigger p 192 5 Glitch Trigger p 193 1 Move the cursor to Type for the channel for which you want to change the settings 2 Select the trigger type with the F keys 3 Move the cursor to the parameter item with the CURSOR keys 4 Select the parameter value with the F keys To copy the setting to another channel The Trigger settings window...

Page 196: ...er set here is exceeded 1 to 4000 F Filter Triggering occurs when the trigger criteria are met within the specified filter width This is useful to prevent spurious triggering due to noise OFF 0 1 10 div OFF ON Filter width 10 ms 2 In Window Trigger Out of Window Trigger By setting upper and lower limit values for the trigger a trigger will be applied when the input signal enters In or leaves Out t...

Page 197: ...er Limit Period Upper Threshold Period Lower Limit About the Trigger Point The trigger point occurs one sample after the criterion is met Type Parameters Per I or Per O L Level Sets the level voltage value for the trigger The setting can be made in 1 50 increments S Slope Determines whether triggering occurs when the signal crosses the threshold trigger level on the rising or falling edge P Period...

Page 198: ...ailable setting range depends on the sampling frequency Lower limit sampling frequency 2 upper limit sampling frequency 4000 When Using Noisy Signals for Triggering Method 1 Enable the trigger filter By setting the filter width to prevent triggering on noise triggering occurs only when the trigger criteria continue to be met for at least the specified width interval Trigger Level Noise does not ca...

Page 199: ...ype to Per O and the lower threshold to 0 The lower threshold will be ignored and triggering will occur when the frequency drops below the upper threshold About the trigger point of the Out of Period trigger Triggering occurs when the period of sequential crossings of the specified reference voltage exceeds the period range The point at which triggering occurs depends on the specified period range...

Page 200: ...en the Waveform screen and then press the TRIG SET key to open the trigger settings window Logic Trg sheet 1 Move the cursor to the channel for which you want to change the settings 1 Logic Channels 2 3 2 Use the F keys to select the settings 1 Trigger Sets the trigger probe logic AND OR Off Logic triggering is disabled Default setting OR Triggering occurs when the input signal logic matches any s...

Page 201: ... 2 3 4 1 0 X X Triggering occurs when the LA1 or LA2 trigger criteria are met Trigger Pattern T LA1 1 LA2 0 LA3 X LA4 X Trigger Pattern T LA1 1 LA2 0 LA3 X LA4 X T Example 2 Triggering occurs when the input signal matches both of the following criteria LA1 HIGH level LA2 LOW level Trigger AND LA 1 2 3 4 1 0 X X Trigger Pattern T LA1 1 LA2 0 LA3 X LA4 X T If the criteria are already met when START ...

Page 202: ... and time To set to the current date and time select Present Time 3 To apply a trigger through the specified interval from Start to Stop Set the Interval Move to cursor to D h m and s of Interval Set the recording interval 4 Press the START key Measurement starts and recording will start at the specified Start time To stop recording early press the STOP key When the specified interval is shorter t...

Page 203: ...g auto save auto print waveform display processing and calculation from the end of recording to the next Trigger Wait state so depending on measurement settings recording may not occur within the specified interval About Stop Time and Recording Length The stop time is function dependent Memory function Measurement data is acquired for the specified recording length then recording stops Recorder fu...

Page 204: ... are satisfied If the interval is set to zero triggering occurs when criteria for all trigger sources set between specified Start and Stop times are satisfied Example measuring when both timer trigger and level triggers Slope are enabled When trigger criteria are combined with OR Trigger Source OR Start Measurement Level Trigger Timer Trigger Recording T T T T T T T T T T Interval Ignored because ...

Page 205: ... External triggering enabled 2 Apply the input signal to the external trigger EXT TRIG terminal Refer to 17 2 5 External Trigger Terminal EXT TRIG p 344 9 7 Trigger Manually Manual Trigger Triggers can be applied manually by pressing the Manual Trigger key Manual triggering takes priority over all other trigger sources regardless of settings To stop recording press the STOP key Press the key once ...

Page 206: ...tion 9 8 1 Set the Trigger Start Point Pre trigger Set the position of the trigger point relative to the specified recording length There are two setting methods Setting by percent and setting by div Procedure Press the DISP key to open the Waveform screen 1 Select the unit to use when setting the pre trigger Move the cursor to Pre trigger Set the pre trigger in Default setting div Set the pre tri...

Page 207: ...t Trigger Point 95 95 50 50 T Trigger events during the specified pre trigger recording period are ignored To enable recognition of such triggers set Trigger Priority to On Refer to 9 8 2 Set Trigger Acceptance Trigger Priority p 203 Difference between Pre Trigger wait and Trigger wait When measurement is started the specified pre trigger length is recorded This period is indicated as Pre Trigger ...

Page 208: ...Pre Trigger wait When trigger criteria are met during Pre Trigger wait Example When the pre trigger period is set to 50 Recording Length before trigger T After 50 of the Recording Length is recorded internally the Trigger wait state begins Trigger wait Pre Trigger wait 50 of Recording Length after trigger T Trigger ignored Now Storing Start Measurement Trigger Priority Off Recording Length before ...

Page 209: ...ecording stops after data has been acquired for the specified recording length Recording stops when a trigger event occurs Recording stops when a Stop trigger event occurs If no trigger event occurs before the specified recording length elapses Stop or Start Stop Recording stops after data has been acquired for the specified recording length Repeat trigger mode The Trigger Wait state begins after ...

Page 210: ...ing Start Records for specified recording length T T Recording starts when a Start trigger event occurs Records until a Stop trigger occurs T T The above sequences repeat when the trigger mode is Repeat 0 V 0 V 0 V Press START key to record Records until a trigger occurs START key Stop Start Stop 9 Trigger Settings ...

Page 211: ...tion logic is set to AND If trigger criteria are already met when you press the START key no triggering occurs Triggering occurs only after all trigger sources have ceased to meet the criteria then meet the criteria again Setting Example To apply a trigger when the upslope of the waveform crosses zero volts Triggering occurs as follows when combined using AND and OR Channel Trigger Trigger Level S...

Page 212: ...rsor is shown on the screen search will be performed on the data after A cursor The search range for All Blocks will be defined as the start block up to the number of blocks to be measured 2 Specify the search range Move the cursor to the Area item Whole Wave Search all measured data Default setting A B Wave Search in the range between AB cursor When using memory division All Display Blocks Search...

Page 213: ...re displayed in the center of the screen and marked with an S When no matches are found a message stating that No Matches Were Found is displayed Pre triggers trigger priorities external triggers and timer triggers cannot be used as search conditions The trigger position and search results may not match ...

Page 214: ...c Operations Time difference calculation Phase differnce calculation High level calculation Low level calculation 24 types in total Specified calculation between AB cursors Waveform calculations can be limited to data within the range specified by the AB cursors Calculation operator details 10 6 Numerical Calculation Type and Description p 222 Numerical Calculation Judgment p 216 The result of a n...

Page 215: ...lts Choose printing and saving settings before starting measurement Save calculation results automatically Print calculation results automatically p 216 p 219 p 221 Start Measurement Acquire Data The instrument acquires data when the trigger criteria are met If triggering is not enabled the instrument acquires data when you press the START key Calculate Measuring will appear on the screen s status...

Page 216: ...When Model U8350 Printer Unit is installed or save calculation results as needed Print PRINT key Save SAVE key When Print Calc Result p 221 or Save Calc Result p 219 is set to On results are automatically printed or saved To specify a waveform range for calculation Before executing the calculation specify the calculation range using the AB cursors div or Trace cursors on the Waveform screen Set th...

Page 217: ...ignal waveform Average Average valuｘe of waveform data X Y Area Area of X Y composite waveform Rms RMS value of waveform data Time to Lev Time from trigger to specified level Peak Peak Peak to peak value of waveform data Lev time Measurement value at a specified time point after triggering Maximum Maximum value of waveform data Max Time Time from trigger to maximum value Pulse Width Pulse width of...

Page 218: ...e cursor to the parameter items and make the appropriate parameter settings Refer to Parameter Table p 214 Refer to 8 1 3 Alphanumeric Input p 143 4 Set the statistical calculation Move the cursor to the Stat column First Calculate at the first condition of the measurement data Average Acquire the average value of the calculation results in the measurement data Max Acquire the maximum value from t...

Page 219: ...ied level is crossed F Filter Only when the measurement signal has crossed the level and has not crossed the level again within the specified filter width it is taken as a valid event This is useful to exclude level crossing events caused by noise S Slope Determines whether the time is calculated until the signal crosses the specified level on the upward slope or on the downward slope Lev time Tim...

Page 220: ...verlap Press the DISP key Numerical values and waveforms will be displayed separately Refer to 7 7 3 Switch the Waveform Display Width p 136 Calculation Results To save calculation results after measuring Set the Select at save item to Yes When you press the SAVE key after measurement you can select the content to be saved Select Calc Result Refer to 5 2 3 Save Data Selectively SAVE Key p 88 10 Nu...

Page 221: ...d to stop measuring upon judgment GO NG or GO NG Choose Calculation Settings Start Measurement Acquire Data Calculate Display Calculation Results Calculation Judgment Print or Save Stop Measurement Stop Criteria Trigger Mode Stop criteria not met Stop Criteria Met or Stop Criteria is GO NG Repeat Single Measurement repeats until stop criteria are met Measurement repeats until you press the STOP ke...

Page 222: ...Input p 143 4 Select the Stop Criteria upon judgment Move the cursor to Stop Mode GO Continue to the next process when within the threshold range Pass judgment NG Continue to the next process when outside of the threshold range Fail judgment GO NG Continue to the next process regardless of judgment result Execute the calculation When judging the existing data Select Exec When using automatic judgm...

Page 223: ...e NG judgment displayed in red When printing judgment results for each parameter will also be printed When the judgment result is GO The GO signal is output at the GO EXT OUT 1 external I O terminal When the judgment result is NG The NG signal is output at the NG EXT OUT 2 external I O terminal The NG judgment is asserted when any channel is judged as NG When the beeper is enabled a beep sounds wh...

Page 224: ...g File Adds calculation results to one file When there is more than one file results are added to the file with the smallest sequential number and saved 3 Set the save destination Move the cursor to Save To Select Edit The Browse folders dialog box appears at bottom right Select storage media Up down CURSOR Open next folder level down Right CURSOR Move the cursor to the save target media Select Co...

Page 225: ...y saved to the specified storage media Example of Saving Numerical Calculation Results When you save numerical calculation results characters or display items used on the instrument are converted as shown below Characters used on the instrument Saved characters 2 2 3 3 μ u Ω o ε e c Trig Time No1 Maximum Ch1 No2 Minimum Ch1 No3 Maximum Ch2 No4 Minimum Ch2 V V V V 08 04 11 17 40 33 351 3 00078E 05 ...

Page 226: ...nts Procedure Press the STATUS key to open the Status screen and then select the Num Calc sheet Move the cursor to Print Calc Result and select On Printing will also be carried out when only calculation was performed with no measurement Calculation results are output to the output destination specified for automatic printing Refer to 6 2 Auto print Settings p 109 10 Numerical Calculation Functions...

Page 227: ... of waveform data Maximum value Time to Maximum Value Max Time Finds the time in seconds from the last trigger point to the maximum value When there are two or more points with the maximum value the first point of the first waveform used for the calculation is treated as the maximum value Maximum value T Time to Maximum Value Minimum Value Minimum Obtains the minimum value of waveform data Minimum...

Page 228: ...e AB cursors the calculated area is constrained to the waveform between the cursors 𝑆𝑆 𝑑𝑑𝑑𝑑 ℎ 𝑛𝑛 𝑖𝑖 1 S Area n Data count di Data on channel number i h Δt Sampling rate A cursor B cursor Area of shaded portion X Y Area Calculates the area V2 of an X Y composite waveform In the following figures the areas within the lines are calculated The calculation is available even if the X Y composite wavefor...

Page 229: ...me seconds after falling intersection to the next rising intersection Level Tu d Td u Pulses Counts the pulses from the number of rising or falling intersections with a specified level One pulse is counted when the signal falls back below the specified level after rising through it or vice versa Level 0 2 3 1 Four Arithmetic Operations Calculation Performs arithmetic operations upon arbitrarily se...

Page 230: ...G Square Root SQR Moving Average MOV Parallel displacement along the time axis Differential Calculus 1st derivative DIF 2nd derivative DIF2 Integral Calculus 1st integral INT 2nd integral INT2 Trigonometric functions SIN COS TAN Inverse Trigonometric functions ASIN ACOS ATAN MR8990 Digital Voltmeter Unit PLC delay shift PLCS 12 types in total Specified calculation between AB cursors Waveform calcu...

Page 231: ...tart Measurement Acquire Data The instrument acquires data when the trigger criteria are met If triggering is not enabled the instrument acquires data when you press the START key Calculate Calculating appears on the screen Calculations are performed sequentially from No 1 to No 16 To interrupt calculation press the STOP key to abort Display Calculation Results Results will be displayed on the Wav...

Page 232: ...r calculation Before executing a calculation specify the calculation range using the AB cursors div or Trace cursors on the Waveform screen Set the calculation range on the Wave Calc sheet to A B Wave Range cursors cannot be used to specify the range When one cursor is used the calculation range is from the cursor to the end of the data Post measurement waveform calculation cannot be performed for...

Page 233: ...orm calculation settings Move the cursor to the Equation column of the calculation to be set and select Enter EQN A dialog is displayed for entering a calculation equation Enter calculation operators Enter numerical values and symbols Enter constants Constants must have been previously entered on the CONST p 231 Calculation No 4 Select a calculation equation Refer to Waveform Calculation Example C...

Page 234: ... displayed after loading waveforms 11 2 1 Display the Trigger Settings to Search Measurement Data The results of waveform calculation are displayed on the Waveform screen CH1 Waveform Example Calculate the absolute value of the waveform of CH1 Calculation equation ABS CH1 Absolute Value Waveform To copy settings from one calculation to another Settings can be copied at the Wave Calc sheet Refer to...

Page 235: ...sult of calculation Zi can be used in other calculation equations However the Znth equation can only refer to the results of equations up to Zn 1 Example Equation Z4 can include the results of equations Z1 through Z3 Using the MOV SLI DIF and DIF2 operators in an equation The second parameter Set a number after the comma within the parenthesis _ for each of these calculation operators Operators Se...

Page 236: ...Wave Calc sheet 1 Move the cursor to the No in the CONST section you want to set 1 2 Select an entry method and enter the constant Setting Range 9 9999E 29 to 9 9999E 29 Refer to 8 1 3 Alphanumeric Input p 143 Defined constants are shown in the constant display of the calculation equation setting dialog 11 Waveform Calculation Functions ...

Page 237: ...n for the Calculation No you want to adjust Auto Automatically sets the display range of the vertical axis After calculation the upper and lower limits are obtained from the results and set automatically Manual Upper and lower limits of the vertical axis display range are entered manually Depending on calculation results automatic scaling settings may be unsatisfactory in which case the limits mus...

Page 238: ...displayed for entering a calculation equation Characters are entered before the black cursor Errors are indicated by red cursors After selecting the channel number select Enter Char Enter the calculation equation SQR MOV CH1 CH1 200 The number of samples per cycle 1 division 100 samples Here one cycle is two divisions 200 samples It is convenient to set constants beforehand on the CONST area p 231...

Page 239: ...nning and end of the calculation section the places that lack data are filled with 0s before calculation Parallel displacement along the time axis SLI Moves waveforms along the time axis by the specified distance bi di k i 1 2 n k number of points to move 5000 to 5000 k is specified after a comma Ex To slide Z1 by 100 points along the time axis SLI Z1 100 Note When sliding a waveform if there is n...

Page 240: ...n equation The second parameter p 230 The following equations are the cases where the value of the second parameter is 1 Formulas for the first derivative Point t1 b1 25d1 48d2 36d3 16d4 3d5 12h Point t2 b2 3d1 10d2 18d3 6d4 d5 12h Point t3 b3 d1 8d2 8d4 d5 12h Point ti bi di 2 8di 1 8di 1 di 2 12h Point tn 2 bn 2 dn 4 8dn 3 8dn 1 dn 12h Point tn 1 bn 1 dn 4 6dn 3 18dn 2 10dn 1 3dn 12h Point tn bn...

Page 241: ...In 1 In 1 In h 2 II1 to IIn calculation results Note Integration is greatly affected by subtle deviation in the zero position Be sure to perform zero adjustment before measurement In some cases you may need to correct zero point deviation further Example To shift the zero position by 0 124 mV Z1 INT CH1 0 000124 Digital voltmeter unit PLC delay shift PLCS Shifts the time by the length the frequenc...

Page 242: ...veform screen p 137 To Open the Memory Div Sheet Press this key repeatedly to display the various sheets Status Wave Calc Num Calc Memory Div When using memory division the trigger output TRIG_OUT terminal output may output the Low level or output erratically under the following conditions The timebase is 5 μs div to 100 μs div The record measurement time is 5 ms or less Tracking wave display is O...

Page 243: ...ing or printing during which triggers are ignored can be minimized Even if you do not use the Memory Division function up to 16 blocks of data depending on the specified recording length can be saved to each block so that previously recorded data can be selected for display on the Waveform Screen Refer to 7 8 View Block Waveforms p 137 Normal Memory Division 1 2 3 4 5 6 Reference Block Display Blo...

Page 244: ...of divisions Memory division function p A7 Memory Division Waveform Calculation and Roll Mode cannot be enabled at the same time When the number of divisions is 32 the Start Block is 5 and the Used Block number number of blocks to use is 20 No of Divisions Start Block Used Blocks Purple About Recording When a faster timebase is selected display print and save operations are not available during me...

Page 245: ...n the Trace Waveform display is set to Off 2 To display multiple blocks as overlaid waveforms Enable the Reference Block function Move the cursor to Ref Block Select On Off Reference Blocks are not displayed Default setting On Reference Blocks overlay Display blocks on the display 3 When Reference Blocks are enabled On Select whether to reference every block To overlay all waveforms select All Blk...

Page 246: ... the WAVE key at the Waveform screen and switch Pos to Block Refer to 7 8 View Block Waveforms p 137 When displaying memory division blocks as a list blocks may have the same trigger times This occurs because the minimum resolution of the clock used by this instrument is 1 128th of a second 7 8125 ms and measurement occurs during this interval Example The recording time is 1 25 ms and the displaye...

Page 247: ...el 8970 Freq Unit dead time is approximately 230 ms When measuring in integral value Count mode there are cases when the last data in a previous block is carried over to the first part of the next block When tracking waveform display is Off the roll mode function cannot be used even when roll mode is enabled not Off When triggering occurs very often pressing the STOP key may not stop measurement u...

Page 248: ...mpulse Response Linear Spectrum Coherence Function RMS Spectrum Phase spectrum Power Spectrum Auto correlation Function Power Spectrum density Cross correlation Function LPC analysis Power Spectrum Density 1 1 Octave Analysis Transfer Function 1 3 Octave Analysis Not available when using external sampling For phase spectra only the required phase information is highlighted and displayed Refer to 1...

Page 249: ...results p 268 1 2 File Save sheet Print analysis results p 269 1 2 Printer sheet Measurement Starts Measurement Finishes Analyze 13 8 Analysis With the Waveform Screen p 270 Save 13 6 Save Analysis Results p 268 Print 13 7 Print Analysis Results p 269 FFT calculation Set the Function to FFT p 245 Settings Measurement and Calculation Analysis Saving and Printing Perform New Measurement and Calculat...

Page 250: ...e Status screen Status sheet Measurement is configured from the Waveform screen p 261 To Open the Status Sheet 13 3 1 Select the FFT Function The FFT function can be selected at screens other than the file screen Procedure 1 Move the cursor to the function item the upper most column of the Settings window 2 Select FFT 13 FFT Function ...

Page 251: ...d number of FFT analysis points no analysis occurs When no trace is displayed after pressing the START key Analysis is impossible if From Memory is selected as the input data source and no recorded data exists in the instrument s memory Either select New Data as the input data source or load the data to be analyzed before pressing the START key again 2 When you have finished choosing settings pres...

Page 252: ... this case octave analysis power spectrum density and LPC Analysis power spectrum density are not available When Reference is set to From Memory the frequency is automatically set The setting cannot be changed Frequency Range and Number of Analysis Points Setting Use the Operating Keys Press the STATUS key to open the Status screen and then select the Status sheet Refer to 13 3 11 Set and Change A...

Page 253: ...0 ms 4 250 ms 2 500 ms 4 k 10 k 10 ms 100 µs 10 100 ms 5 200 ms 2 500 ms 1 1 s 2 k 5 k 20 ms 200 µs 5 200 ms 2 5 400 ms 1 250 ms 500 m 2 s 800 2 k 50 ms 500 µs 2 500 ms 1 1 s 400 m 2 5 s 200 m 5 s 400 1 k 100 ms 1 ms 1 1 s 500 m 2 s 200 m 5 s 100 m 10 s 200 500 200 ms 2 ms 500 m 2 s 250 m 4 s 100 m 10 s 50 m 20 s 80 200 500 ms 5 ms 200 m 5 s 100 m 10 s 40 m 25 s 20 m 50 s 40 100 1 s 10 ms 100 m 10...

Page 254: ... Move the cursor to Reference and select From Memory 1 2 2 Select the thinning amount Move the cursor to Save Thin Off Do not thin data Default setting 1 10 Skip every 10 data points 1 100 Skip every 100 data points 1 1000 Skip every 1000 data points The Save Thin setting can only be set when Reference is set to From Memory The range that can be set for thinning changes depending on the timebase m...

Page 255: ...r to p 261 1 Select the window function Move the cursor to Window Rectangular Default setting Hanning Exponential Hamming Blackman Blackman Harris Flat top Exponential Refer to Window Function p A20 1 2 3 Correction value When the attenuation rate is 10 10 100 Noise is suppressed in the attenuated waveform 2 When Exponential is selected Set the attenuation coefficient percentage Move the cursor to...

Page 256: ... at a point is greater than that of the adjacent points that point is considered a local maximum The ten largest local maxima are displayed Maximum global maxima Among all data values the ten points with the greatest values are displayed 2 3 2 4 5 6 1 1 Maximal Maximum No maxima will be displayed if peak values cannot be detected Peak values on the Waveform screen can be displayed and printed but ...

Page 257: ...culation result is output Expo Frequency The exponential mean of frequency domain waveforms is determined and then the calculation result is output Peak Frequency The maximum value of frequency domain waveforms is retained 1 2 About averaging calculation formulas Refer to Averaging p A19 When averaging and auto saving or auto printing are enabled at the same time Data is saved or printed after the...

Page 258: ...n However if the characteristics of the input waveform allow triggering using the trigger for synchronization is recommended To retain peak value on spectrum peak hold After performing FFT calculations on the acquired waveform peak values are retained held and displayed within the frequency range FFT Analysis Modes and Averaging Can be set Cannot be set Can be partially set Analysis mode Averaging...

Page 259: ...ey Trigger criteria met Input Signal Awaiting Trigger Averaging Display 2 FFT analysis FFT analysis Spectrum averaging Time domain waveform averaging STOP key Waveform acquisition specified no of points 1 When stopped before the specified count the average up to that point is displayed 2 If Reference is New Data and automatic saving or automatic print is On data is saved or printed when the specif...

Page 260: ... input signal Pmax as a reference value data that exceeds that value multiplied by rate R can be displayed with emphasis Emphasis Display 10logPmax dB 10logRPmax dB Power Spectrum Phase spectrum Procedure Press the STATUS key to open the Status screen and then select the Status sheet 1 Enable the highlighting function Move the cursor to Highlight phase Off Emphasis display disabled Default setting...

Page 261: ... No you wish to set Off No analysis Default setting Cross Power Spectrum p 279 Storage Waveform p 272 Impulse Response p 280 Histogram p 272 Coherence Function p 281 Linear Spectrum p 273 Phase spectrum p 282 RMS Spectrum p 274 Auto correlation p 283 Power Spectrum p 275 Cross correlation p 284 Power Spectrum density p 276 1 1 Octave p 284 LPC density p 277 1 3 Octave p 284 Transfer Function p 278...

Page 262: ...ary by analysis mode Refer to Analysis Modes and X Y Axis Display p 258 Y axis display Lin Mag Display analysis results as amplitude values Log Mag Display analysis results as dB values The dB reference is 1 eu Example For voltage 1 V is displayed as 0 dB Lin Real Display the real number component of analysis values Lin Imag Display the imaginary component of analysis values X axis display Linear ...

Page 263: ...ms octave analysis defined by the above filter characteristics Refer to Octave Filter Characteristics p A24 Analysis Modes and X Y Axis Display Settable Unsettable Analysis mode X axis Y axis Nyquist display Linear Log Lin Mag Lin Mag Lin Real Lin Imag OFF Storage Waveform Histogram Linear Spectrum RMS Spectrum Power Spectrum Power Spectrum Density LPC Analysis Power Spectrum Density Transfer Func...

Page 264: ... spectrum RMS spectrum power spectrum The distortion rate calculates the cursor position as the fundamental wave When 2 cursors appear the A cursor becomes the fundamental wave When calculation results cannot be obtained is displayed Note that distortion rate values may become higher depending on the window function settings THD V V n 2 0 100 V0 fundamental wave Vn next higher harmonic 13 FFT Func...

Page 265: ...the vertical Y axis is automatically set according to analysis results Default setting Manual Scaling of the vertical Y axis can be set as desired to suit the measurement This is useful for magnifying or reducing the displayed amplitude and for shifting the displayed waveform up or down 1 2 2 When Manual is selected Set the upper and lower limits Move the cursor to Lower or Upper Set the upper and...

Page 266: ... DISP key to open the Waveform screen Setting method Use the CURSOR keys to move the cursor to each setting item and select options the F keys Select the frequency range 133 mHz to 8 MHz p 247 Trigger mode and Pre trigger Select the trigger mode and pre triggering same as when using the Memory function Trigger Mode Single Repeat Auto Pre trigger Select from list Refer to 9 2 Set the Trigger Mode p...

Page 267: ...he instrument is 6 51 dB Refer to Overall Value p A19 Sound Level Meter 93 5 Overall 6 51dB 93 5 1 2 3 4 5 0 dB reference differs depends on the physical quantity As an example for sound pressure 20 μPa is 0 dB In dB scaling the dB value can be directly read however it may not be possible to directly read instantaneous values Refer to written standards and other materials regarding 0 dB references...

Page 268: ...rlaid Dual Nyquist If the analysis mode is linear spectrum transfer function or cross power spectrum the FFT calculation result is displayed in a Nyquist display on one screen If the calculations have multiple settings waveforms are displayed for each specified calculation Running spectrum If the analysis mode is one of the following analysis results will be displayed in three dimensions frequency...

Page 269: ...mat and increase the number of screen divisions Different horizontal axis units cannot be displayed on the same graph NG EXT Analysis mode cannot perform external sampling Display Types and Split Screen Settings Nine display arrangements are available Standard Nyquist Running Spectrum Single standard Dual standard Single Nyquist Dual Nyquist Running spectrum Reference setting New Data From Memory ...

Page 270: ...ce is New Data The calculation interval time interval of the running spectrum waveform and the waveform is not regulated Averaging cannot be used Calculations that can be analyzed by running spectrum are limited to the following list When other calculations are selected or calculation settings are changed after measurement stops waveforms will not be displayed Linear spectrum RMS spectrum power sp...

Page 271: ... waveform displayed during pausing of measurement Past waveforms To read measurement values of past waveforms with the cursor After measurement is finished the values of each waveform can be read using the cursor 1 Press the WAVE key on the panel of the unit 2 Select a waveform Use the jog and shuttle knobs to select the waveform The waveform number is displayed in the lower right of the screen 3 ...

Page 272: ...d the display format changes Grid Type 1 Grid Type 2 To change the number of waveforms to be displayed The number of waveforms to be displayed can be changed The following number of waveforms can be selected 10 20 50 100 and 200 1 Press the WAVE key on the panel of the unit 2 Move the cursor to Display 3 Change the number of waveforms to be displayed Using either the F3 or F4 key adjust the number...

Page 273: ... format and analysis method Refer to Appendix 2 1 Waveform File Sizes p A2 When FFT Analysis Results are Saved as Text Each calculation item is saved to a separate file Text Save Example X axis data Y axis data Line 1 Title comment Line 2 and 3 Trigger Time Calculation information If trigger time is not displayed properly when you open a file with Microsoft Excel select Custom for Format of Format...

Page 274: ... Results 13 7 Print Analysis Results The printing procedure is the same as for the Memory and Recorder functions Refer to 6 Printing When Model U8350 Printer Unit is installed p 107 Example Waveform Print 13 FFT Function ...

Page 275: ...ange However if averaging is enabled analysis repeats for the specified averaging count Calculation execution Repeat Analysis is performed repeatedly on the specified number of analysis points beginning with the specified starting point and ending with end of waveform data and final analysis results are displayed Calculation is performed for the number of specified points so a good end point becom...

Page 276: ...mber of points goes past the end of the memory waveform as shown below analysis will not be performed Analysis Segment Display To analyze only a certain portion If Exec is Single in the setting items at the right side of the screen only the calculation range currently displayed will be calculated For settings other than Single calculation points are calculated until the end of the waveform data To...

Page 277: ...e set frequency range Refer to Relationship Between Frequency Range Resolution and Number of Analysis Points p 248 Y axis Lin Mag Displays the module waveform Waveform Example Window Rectangular X axis Linear Y axis Lin Mag Histogram Acquires the amplitude distribution of the input signal Main uses To inspect deviations in the amplitude range of a waveform Uses analysis point distribution to ascer...

Page 278: ...number component of analysis values is displayed linearly Y axis Lin Mag Displays analysis values linearly Log Mag Display analysis results as dB values 0 dB reference value 1eu Lin Real Display the real number component of analysis values Lin Imag Display the imaginary component of analysis values Nyquist display Display the imaginary component of analysis values eu engineering units that are cur...

Page 279: ...rom the frequency axis waveform of the input signal RMS and power spectra displays use the same analysis results displayed logarithmically amplitude in dB Main uses To inspect the execution value of the frequency component of the waveform To inspect the RMS value of each frequency About the Functions refer to 13 9 2 Analysis Mode Functions p 289 Axis Display type Description X axis Linear Displays...

Page 280: ...isplays input signal power as the amplitude component Main uses To inspect the peak frequency contents of a waveform To inspect the power level of each frequency About the Functions refer to 13 9 2 Analysis Mode Functions p 289 Axis Display type Description X axis Linear Displays the frequency on a linear scale Log Displays the frequency on a logarithm scale Y axis Lin Mag Analysis data is display...

Page 281: ...y the frequency resolution Main uses To acquire a power spectrum with 1 Hz resolution for highly irregular waveforms such as white noise About the Functions refer to 13 9 2 Analysis Mode Functions p 289 Axis Display type Description X axis Linear Displays the frequency on a linear scale Log Displays the frequency on a logarithm scale Y axis Lin Mag Displays analysis values linearly Log Mag logarit...

Page 282: ...hm scale Y axis Lin Mag Displays analysis values linearly Log Mag logarithm Display analysis results as dB values 0 dB reference value 1eu2 Hz eu engineering units that are currently set are the standard e g when the unit settings is volts 0 dB 1 V2 Hz Waveform Example X axis Log Y axis Lin Mag X axis Log Y axis Log Mag Always specify the order from 2 to 64 Higher orders can expose finer spectral ...

Page 283: ...tion X axis Linear Displays the frequency on a linear scale Log Displays the frequency on a logarithm scale Nyquist display Displays the real number component of the input output ratio Y axis Lin Mag Displays the input output ratio linearly dimensionless units Log Mag logarithm Displays the input output ratio as dB values Lin Real Displays the real number component of the input output ratio dimens...

Page 284: ...f the input output ratio linearly Y axis Lin Mag Displays the squared value of amplitude contents of analysis data linearly Log Mag logarithm Displays the dB value of amplitude contents of analysis data linearly 0 dB reference value 1eu2 Lin Real Displays the squared values of the real component of analysis data linearly Lin Imag Displays the squared values of the imaginary component of analysis d...

Page 285: ... To inspect circuit time constants About the Functions refer to 13 9 2 Analysis Mode Functions p 289 or Linear Time Invariant Systems p A14 Axis Display type Description X axis Linear Time display The center t 0 is the reference To the right is lag time t and to the left is lead time t Y axis Lin Mag Displays the transfer function provided by inverse Fourier transformation Waveform Example Normal ...

Page 286: ...ear scale Log Displays the frequency on a logarithm scale Y axis Lin Mag Displays the causal relationship and degree of relationship between two input signals as a value between 0 and 1 dimensionless units Waveform Example Normal display X axis Log Y axis Lin Mag With a single measurement the coherence function gives a value of one for all frequencies Spectrum frequency domain averaging should alw...

Page 287: ...veform as a reference 0 Unless the waveform is synchronous phase values are unstable 2ch FFT Displays the phase difference between channels 1 and 2 Positive values indicate that the phase of channel 2 is leading Axis Display type Description X axis Linear Displays the frequency on a linear scale Log Displays the frequency on a logarithm scale Y axis Lin Mag Displays analysis values linearly Wavefo...

Page 288: ...y type Description X axis Linear Time display The center t 0 is the reference To the right is lag time t and to the left is lead time t Y axis Lin Mag 1 to 1 dimensionless units The closest correlation at time differential t is 1 and the least correlation is 0 1 indicates completely reversed polarity Because of the characteristics of the function t 0 becomes 1 Waveform Example X axis Linear Y axis...

Page 289: ...d output signals is the closest and 0 when correlation is the least 1 indicates completely reversed polarity Waveform Example X axis Linear Y axis Lin Mag This instrument provides a circular cross correlation function Analysis results are normalized to the maximum value 1 1 Octave 1 3 Octave Analyze spectrums such as noise using fixed rate spectrum filters of 1 1 octave band or 1 3 octave band Mai...

Page 290: ...ts subbands while octave analysis scales the spectrum logarithmically and displays each octave subband as a bar graph The center frequency of the octave bands and filter characteristics are determined according to IEC61260 standards 1 1 and 1 3 octave analyses are calculated using power spectrum Analysis results 1 1 Octave Analysis 6 subbands 1 3 Octave Analysis 16 subbands The octave analysis res...

Page 291: ...286 FFT Analysis Modes Measurable Ranges With Octave Analysis 1 1 OCT 1 3 OCT ...

Page 292: ...287 FFT Analysis Modes 1 1 OCT 1 3 OCT 13 FFT Function ...

Page 293: ...288 FFT Analysis Modes 1 1 OCT 1 3 OCT ...

Page 294: ...mation from Linear Predictive Coding Refer to Linear Time Invariant Systems p A14 Transfer Function 𝐻𝐻 𝑘𝑘 𝑌𝑌 𝑘𝑘 𝑋𝑋 𝑘𝑘 𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙 𝐻𝐻 𝑘𝑘 𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟 Re 𝐻𝐻 𝑘𝑘 𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖 Im 𝐻𝐻 𝑘𝑘 log 20log 𝐻𝐻 𝑘𝑘 Cross Power Spectrum 𝑆𝑆𝑦𝑦𝑦𝑦 𝑘𝑘 𝑋𝑋 𝑘𝑘 𝑌𝑌 𝑘𝑘 𝑋𝑋𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝 𝑘𝑘 𝐴𝐴𝐴𝐴𝑦𝑦𝑦𝑦 𝑘𝑘 𝐴𝐴 1 𝑁𝑁2 2 𝑁𝑁2 𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙 𝑋𝑋𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝 𝑘𝑘 𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟 Re 𝑋𝑋𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝 𝑘𝑘 𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖 Im 𝑋𝑋𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝 𝑘𝑘 log 10log 𝑋𝑋𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝 𝑘𝑘 𝑆𝑆𝑦𝑦𝑦𝑦 𝑘𝑘 𝑋𝑋 𝑘...

Page 295: ...290 FFT Analysis Modes ...

Page 296: ...ion area in memory then store the data on storage media on the File screen Set waveform evaluation OFF Disable waveform evaluation OUT Return NG if any part of the waveform leaves the evaluation area ALL OUT Return NG if the entire waveform leaves the evaluation area Set GO NG stop mode GO Stop recording on GO result NG Stop recording on NG result GO NG Stop recording on GO or NG result Measuremen...

Page 297: ...The time required for evaluation is on the order of 100 ms not including time required to read data or update the display When performing evaluation and measurement concurrently measurement continues while the waveform is displayed and evaluated However processing is not necessarily conducted in real time If a high setting is chosen for recording length or if compression is used the evaluation cyc...

Page 298: ... evaluation mode All out GO NG GO NG GO NG GO NG Return NG if any part of waveform leaves evaluation area Stop on GO result Stop on NG result Stop on GO or NG result Return NG if entire waveform leaves evaluation area Stop on GO or NG result Stop on GO result Stop on NG result Waveform Evaluation Function 14 ...

Page 299: ...t change the contents press the DISP key to make the Waveform display screen appear and then press the START key to initiate measurement Refer to 5 3 Load Data p 93 Requirements for loading waveform evaluation area BMP files Observe the following requirements when creating waveform evaluation areas on a PC and when loading waveform evaluation areas created on other equipment Items Condition Loadin...

Page 300: ...d area in memory 6 After setting Waveform Judge setting and Stop Mode press the DISP key to show the Waveform display screen then press the START key to begin measurement 7 Save the evaluation area on the File screen if necessary Refer to 5 2 Save Data p 81 Only one waveform evaluation area may be stored in internal memory For example when operation is changed from the Memory function screen to th...

Page 301: ...aveform Judge Memory Function FFT Function 2 Choose the required setting from the F key menu Off Disable waveform evaluation Out Return NG if any part of the waveform leaves the evaluation area All out Return NG if the entire waveform leaves the evaluation area exec Enable waveform evaluation edit Activate editor to set up the evaluation area ...

Page 302: ...or NG should be used to stop the recording The auto save and auto print functions are only executed when interruption conditions are satisfied Setting method Setting screen Status 1 Move the flashing cursor to Stop Mode 2 Choose the required setting from the F key menu GO Stop recording on GO result NG Stop recording on NG result GO NG Stop recording on GO or NG result Waveform Evaluation Function...

Page 303: ...AIL comparison result is returned Auto save and auto print is initiated only when the stop conditions are met Measurement halted because stop conditions are met Measure ment halted PASS Save print T PASS Save print T FAIL Save print T PASS Save print T FAIL Save print T PASS Save print T In case of Repeat trigger mode and GO NG stop condition Measurement continues until the user presses the STOP k...

Page 304: ...form evaluation You can also use the mouse to create an area Refer to 1 4 2 Use a Mouse to Perform Key Operations p 23 3 Press the F key for Exit to exit the editor 4 Store the created area in memory Save and End Saves the created evaluation area in the instrument s internal memory and exits Discard Changes and End Discards the created evaluation area and exits 5 Save the evaluation area through t...

Page 305: ...s the memory segmentation reference waveform shown on the Waveform screen then connects the uppermost and lowermost positions with the same display color and fills in the resulting enclosed space When the waveforms overlap portions of the waveforms that are not displayed cannot be recognized This option can be selected when a memory segmentation reference waveform has been drawn on the screen 3 Pr...

Page 306: ...igure you wish to draw 3 Use the cursor keys to move the mark to the origin of the figure Press Speed up to accelerate the movement of the mark 4 Press the F key for Set The origin is set at the current position 5 Move the mark A figure is drawn between the origin and the mark 6 Press Set again The color of the figure changes and the figure is confirmed For straight lines the origin is set at the ...

Page 307: ...d 5 Press the Exit Erase key to exit erase mode Clear all Clears the entire editor screen Press the F key for Clear all The editor screen is cleared Clear select area Clears a specified rectangular area of the editor screen Instructions 1 Press the F key for Clear select area 2 Using the cursor keys move the mark to the origin of the area to be erased Press Speed up to accelerate the movement of t...

Page 308: ...ey for Cancel Exit Exits the editor Instructions 1 Press the F key for Exit 2 Select whether to store the evaluation area in memory or discard it before quitting the editor Waveforms loaded into the editor will be displayed in different colors than those set with the original settings Save and End Store evaluation area in memory and quit editor Refer to 5 2 Save Data p 81 Discard and End Quit the ...

Page 309: ...304 Editor Command Details ...

Page 310: ...em environment on the Environment sheet of the system screen To Open the Environment Sheet Refer to 17 External Control p 335 Press this key repeatedly to display the various sheets Environment Init File Save Printer Interface 15 System Environment Settings ...

Page 311: ...urement condition settings If the power is turned off during recording due to power outage or other reasons the operation resumes automatically when the power is restored When triggering is enabled the awaiting trigger state is activated Off Default setting On Valid only during recording This function does not start automatically when the instrument is turned on Backlight Saver The screen blanks a...

Page 312: ...peration mistakes from unintentionally starting measurement the START key operation method can be changed This setting does not affect external control terminal functions One Push Measurement starts with on press Default setting Two Push Measurement starts with two presses Hold 2s Measurement starts when pressed and held for two seconds When the START key is pressed Hold START key down will be dis...

Page 313: ...nge its color Refer to 8 1 3 Alphanumeric Input p 143 Custom Color screen Evaluation area color Background color of the setting screen Background color of the Waveform screen Background color Color of numerical values Grid graticule color Color setting for each waveform Colors of cursor A and B lines Done Applies the settings Reset Reverts to the default settings ...

Page 314: ... FTP File Transfer Protocol RFC959 compliant server You can use a PC FTP client to transfer files to instrument media and perform other file operations LAN connection and settings p 310 Connect the instrument and a PC over a network Make a 1 1 Connection between the instrument and a PC USB connection and settings p 328 Transferring data to a PC p 326 Remote control of the instrument using an Inter...

Page 315: ...nge settings while connected to the network IP addresses may overlap or invalid address data may be transmitted over the network 16 1 1 LAN Settings on the Instrument Things to Check Before Configuring LAN Settings The required settings are different depending on whether the instrument is to be connected to an existing network or whether a new network consisting only of the instrument and one PC i...

Page 316: ...ifferent from the addresses of all other devices Subnet Mask This setting divides an IP address shown to the network into a network address and a host address Use the same subnet mask for all devices in the same network Gateway IP Address For network connections When your PC or the communicating device is on another network than this instrument set this to On and specify the gateway device When th...

Page 317: ...o the computer directly Connecting the instrument to the network using the specified IP address When you want to name the instrument set Host Name Settings when the instrument and the computer connects to the same network Set IP Address of the instrument Set IP Address of the instrument Set Subnet Mask Set Subnet Mask Settings when the instrument connects to the different network from the computer...

Page 318: ...ack side of the instrument LINK LED RX TX LED Lights while the instrument is capable of communications with a destination device Flashes while data is being sent or received Back side 2 Connect the above LAN cable to the PC There are two ways to do this 1 Connect the Instrument to a Network Connecting the Instrument to a Hub You can monitor and control the instrument from a PC by connecting the in...

Page 319: ...hrough cable maximum length 100 m 9642 LAN Cable optional supplied with crossover adapter This completes the connection procedure Files on the instrument can now be accessed from the PC Refer to 16 2 Perform Remote Operations on the Instrument Use an Internet Browser p 315 16 3 Access Files on the Instrument From a PC Using FTP p 322 or 16 7 Controlling the Instrument with Command Communications L...

Page 320: ...he index htm file with your Web browser 2 Selects the display language Click the English icon 3 Click on the JRE installation icon 4 Click on the Install icon then follow the prompts that appear to complete the installation 16 2 1 HTTP Settings on the Instrument Procedure Press the SYSTEM key to open the System screen and then select the Interface sheet First set the LAN Communicator setting to Of...

Page 321: ...o authorization setting Authorization required Connect Login by entering a user name and password Login screen Start stop measurement p 317 or download measurement data p 319 Show remote control screen p 318 Get data from CF card built in drive or USB memory stick via FTP p 320 Enter a title comment p 321 Enter an analog channel comment p 321 Enter a logic channel comment p 321 Return to the main ...

Page 322: ...rement You can start and stop measurement Measurement Start Stop Screen To open the screen click Start Stop in the list of operations Procedure Click Start to start the measurement Click Stop to stop the measurement Click Current Measurement Configuration to display up information about the current measurement configuration 16 Connect to a PC ...

Page 323: ...reen information is sent from the instrument to the PC at regular intervals to keep the display updated Set display update speed Available settings Normal Slow Very Slow Basic Operations When you click a button on the operation panel the instrument performs the same action is if the corresponding key on the unit was pressed However simultaneously activating more than one button is not possible You...

Page 324: ...elect one of the options below the measured data display Get binary data Retrieve binary data Get text data Retrieve text data To MS Excel Display data in Excel cursors Data can be opened with Microsoft Excel It may not be possible to retrieve data when JRE has not been installed on your PC p 315 You cannot download measured data during measurement Stop measurement and then download data When you ...

Page 325: ...ata from the CF card built in drive or a USB memory stick Data Download Screen for FTP Click Acquire data by FTP in the list of operations to open the screen Procedure Click Acquire data by FTP A list of folders is displayed For information on how to perform file operations refer to 16 3 3 Use FTP for File Operations p 325 ...

Page 326: ...on location in the module can be obtained and used only for the respective channel Comment Setting Screen Click Title Comment Analog Ch Comment or Logic Ch Comment in the list of operations to open the screen Title Comment Setting Screen Analog Channel Comment Setting Screen Logic Channel Comment Setting Screen Procedure Enter a string in the comment input field and click Setting The comment strin...

Page 327: ...ing used With IE the refresh date of files may not match those of the main unit With IE temporary internet files may retain data from a previous access so previous data may be obtained instead of the newest data To use FTP the instrument must be properly set up and connected via LAN cable to the PC Refer to 16 1 1 LAN Settings on the Instrument p 310 or 16 1 2 Connect the Instrument to a PC With a...

Page 328: ... 3 1 2 Choose authorization settings Move the cursor to Authorization Off Web server authentication not used Default setting On Web server authentication used 3 When On is selected Set up a user name and password Move the cursor to User Name and Password and enter suitable information Refer to 8 1 3 Alphanumeric Input p 143 or Authorization User Name and Password p 311 The user name and password f...

Page 329: ...e instrument appear Login by entering a user name and password Login screen CF card Click to display files stored on the media An authorization user name and password have been set in the System screen Interface sheet Refer to 16 3 1 FTP Settings at the Instrument p 323 You can also enter the user name and password delimited by and in front of the normal IP address ftp Username Password instrument...

Page 330: ...own Move the mouse pointer to the target destination and then release the button On PC monitor Drag and Drop Minutes and seconds may not be reflected on the time stamp date of the file To Delete or Rename Files Right click a file in the FTP folder list and select Delete or Rename from the pull down menu Right click 1 Click 2 Files cannot be uploaded to the instrument from the PC To copy a file to ...

Page 331: ...e SYSTEM key to open the System screen and then select the Interface sheet 1 Move the cursor to Interface and select LAN 2 Move the cursor to USB Set and select Mass storage HDD and Mass storage CF Operations to the USB memory stick built in drive or CF card from the unit are restricted during Mass Storage Furthermore the printer prints at Slow Fine regardless of the Print Speed setting To Connect...

Page 332: ...Download dialog appears 5 Click Open A confirmation dialog appears Proceed with installation 6 Click Next A window for selecting the installation destination opens Click the Browse to change the installation folder 7 Click Next The installation starts Startup Before using the program review the READ ME text file From the Windows Start menu select Programs HIOKI Wv This will start the Wave Viewer a...

Page 333: ...n and then select the Interface sheet Move the cursor to Interface and select USB The USB Set item is automatically set to Interface When the interface has been set to USB the following functions are not available Using a USB memory stick Viewing data of the unit on a PC 16 6 2 Install the USB Driver Before connecting the instrument by USB perform the following procedure to install the USB driver ...

Page 334: ...s Before Command Communication 2 Click Next Click 3 Click Next To change the installation destination Click Browse to change the folder to install into Normally there is no need to change Click 4 Click Next Click 16 Connect to a PC ...

Page 335: ...ears click Yes Click Sometimes another dialog box requesting your permission to install the software may appear When it does select Always trust software from HIOKI E E CORPORATION checkbox and click Install to continue 1 Click 2 Click 5 When installation is complete and the dialog box appears click Close to exit This completes the driver installation Click ...

Page 336: ...nt malfunction or failure If you connect the USB cable while both the instrument and the PC are off be sure to turn on the PC first If you turn them on in the wrong order communication between the instrument and PC will not be possible If there is a possibility of interference from other equipment in the vicinity wind the USB cable once around the supplied ferrite clamp on choke for LAN USB cable ...

Page 337: ... it by following the procedure below 1 From the Windows Start menu select Control Panel then double click Add or Remove Programs The Add or Remove Programs screen appears 1 Click 2 Click 3 Double click 2 From the list of installed programs select HIOKI USB CDC Driver and remove it You will be returned to the Add or Remove Programs screen ...

Page 338: ...s operation manual on the supplied CD Command Port Port number LAN only The instrument uses the TCP IP protocol for communications TCP IP allows communicating devices to establish multiple connections which are distinguished by port number By default the instrument uses port numbers 8800 to 8809 8800 to 8801 reserved 8802 instrument is server For communications command control 8803 to 8809 reserve...

Page 339: ...itionally Model 9333 enables waveforms to be printed from a printer connected to the PC Procedure 1 Set the LAN Communicator On Use the LAN Communicator Off Do not use the LAN Communicator 2 Set the data collection server Specify the IP address of the PC on which Model 9333 LAN Communicator is running to communicate with the instrument The IP address is required to acquire data using the Model 933...

Page 340: ...er to the instrument and to any devices to be connected before making connections Be careful to avoid exceeding the ratings of external control terminals and external connectors Ensure that devices and systems to be connected to the external control terminals are properly isolated CAUTION Use a common ground for both the instrument and the connection equipment Use of different ground circuits will...

Page 341: ...336 To Open the Environment Sheet Press this key repeatedly to display the various sheets Environment Init File Save Printer Interface ...

Page 342: ...on pressing tool Flat blade screwdriver shaft diameter 3 mm tip width 2 6 mm Connection procedure Back side 1 2 3 1 Push in the button on the connector with a flat blade screwdriver or other tool 2 With the button held in insert the cable into the cable connection hole 3 Release the button The cable is locked Terminal No Operation 1 Input external signal and execute the following Start end measure...

Page 343: ...Stop measurement Operations after measurement such as numerical calculations and automatic saving will be carried out Start Stop Start measurement on LOW level and stop measurement on HIGH level Abort Stop measurement immediately Operations after measurement such as numerical calculations and automatic saving will not be carried out Print Same operation as PRINT key cannot be used with Selective P...

Page 344: ...Control with the LOW level of the input waveform Voltage range High level 3 0 V to 5 0 V LOW level 0 V to 0 8 V Pulse width High level 20 ms or greater LOW level 30 ms or greater Maximum input voltage 0 5 V to 7 V START IN1 STOP IN2 SAVE IN3 470 Ω GND 2200 pF 5 V 3 3 kΩ HIGH 3 0 V to 5 0 V LOW 0 V to 0 8 V 30 ms or greater 20 ms or greater 5 V 17 External Control ...

Page 345: ...and printing Trigger Output a LOW level signal while instrument is waiting for a trigger GO evaluation result output low level output is held until the next measurement starts When the NG EXT OUT2 item is selected Measure A LOW signal is output when the judgment result is NG fail Waveform Evaluation A LOW signal is output when the waveform evaluation result is NG fail Value Evaluation or Waveform ...

Page 346: ...I O HIGH 4 V to 5 0 V LOW 0 V to 0 5 V Output period HIGH 4 V to 5 0 V LOW 0 V to 0 5 V 1 ms 500 µs 500 µs Probe Calibration Active Probe Calibration Inactive GND GO OUT1 NG OUT2 100 kΩ 10 kΩ 5 V 17 External Control ...

Page 347: ...H tL t tH tL t 5 µs 5 µs 10 µs 50 ns 50 ns 100 ns 5 µs 5 µs 10 µs 50 ns 50 ns 100 ns Voltage range High level 3 0 V to 5 0 V LOW level 0 V to 0 8 V Pulse width HIGH LOW level 50 ns or greater Response frequency 10 MHz or lower Maximum input voltage 0 5 V to 7 V HIGH 3 0 V to 5 0 V EXT SMPL LOW 0 V to 0 8 V 100 Ω 150 pF 5 V GND t t L t H tH 50 ns tL 50 ns t 100 ns 3 3 kΩ 5 V When a sampling signal ...

Page 348: ... OUT terminal Output signal Open drain output with voltage output active LOW Output voltage range HIGH level 4 0 V to 5 0 V LOW level 0 V to 0 5 V current 15 mA Pulse width Pulse width at pulse setting time 2 ms 1 ms Pulse width at level setting time sampling rate no of data points after trigger or more Maximum input voltage 50 V DC 50 mA 200 mW Triggering should occur when the signal voltage leve...

Page 349: ...ronment sheet and move the cursor to EXT TRIG 4 Select whether the trigger event occurs on the rising edge or falling edge of the waveform 5 Short circuit the EXT TRIG terminal and GND or input a HIGH level 3 0 V to 5 0 V or LOW level 0 to 0 8 V pulse wave or rectangular wave to the EXT TRIG terminal A trigger event occurs on the rising or falling edge of the input waveform Voltage range High leve...

Page 350: ...ronment Indoors pollution degree 2 altitude up to 2000 m 6562 ft Operating temperature and humidity 0 C to 40 C 32 F to 104 F 20 RH to 80 RH no condensation Storage temperature and humidity 10 C to 50 C 14 F to 122 F 90 RH or less no condensation Temperature and humidity for guaranteed accuracy 23 C 5 C 73 F 9 F 20 RH to 80 RH no condensation Guaranteed accuracy period 1 year Product warranty peri...

Page 351: ...m Display Display type 10 4 in SVGA TFT color LCD 800 600 dots Display resolution T Y waveform display 25 div horizontal axis time axis 20 div vertical axis voltage axis X Y waveform display 20 div X axis 20 div Y axis Dot pitch 0 264 Vertical 0 264 Horizontal mm Backlight On Off Backlight operating life Approx 80 000 hours LED light source half life of brightness External Interfaces LAN Number of...

Page 352: ...93 is installed Pulse pattern data when Model MR8791 is installed Built in drive Model U8330 SSD Unit with an option which must be specified when ordering installed Storage system 2 5 inch SSD MLC Storage capacity 128 GB Data format FAT32 Storage contents Setting configurations Measurement data binary or text part between the A and B cursors can be saved Screen images BMP Printing images BMP Numer...

Page 353: ...tings Invert function Polarity reversal Vernier function Included Commenting Alphanumeric and Japanese characters title for each analog and logic channel Comment entry method Simple input by using the keys of the Memory HiCorder mouse and keyboard Stored string and historical string entry pre stored and previously used strings can be recalled inserted and edited Copy channel settings Copy and past...

Page 354: ...age level is counted and triggering occurs when the specified event count is exceeded Trigger types logic Pattern mask trigger by 1 0 do not care Trigger types external trigger External signal is used as trigger Trigger types timer trigger Triggering occurs at a preset time Trigger filter Memory function FFT function Off 0 1 0 2 0 5 1 0 1 5 2 0 2 5 5 0 10 0 div Recorder function Off On 10 ms fixed...

Page 355: ...ine line and dot with X Y Waveform scrolling Left right scrolling by jog and shuttle knobs Backward scrolling is available during Roll Mode display Overlay function Auto Always overlays when starting and clears by restarting Manual Overlays waveforms only when necessary and clears as needed Auto print Automatically prints recording waveforms after the measurement At slow sampling rate printing is ...

Page 356: ...shuttle knobs Backward scrolling during measurement is possible Real time printing Available with timebase set to 500 ms div or longer Start and stop printing by Function key while recording With 10 ms div to 200 ms div recording prints simultaneously with some delay from recording Continuous recording length not available During continuous recording at 10 ms div to 200 ms div print manually after...

Page 357: ...r of sampling points 1000 points 2000 points 5000 points 10000 points Frequency resolution 1 400 1 800 1 2000 1 4000 Anti aliasing filters Coupled with the frequency range the cutoff frequency is automatically set Only when using the Model 8968 High Resolution Unit Analysis channel setting Can be selected from desired channels FFT analysis modes Storage waveform linear spectrum RMS spectrum power ...

Page 358: ...n collector output With 5 V voltage output active low low output level 0 V to 0 5 V current value of 15 mA Pulse width at least 1 8 ms When Model U8350 Printer Unit is installed Waveform Calculation Functions Calculation support function Memory function Number of calculations Up to a maximum of 16 calculations for desired channels Calculation range All range between AB cursor selections Calculatio...

Page 359: ...ng When Model U8350 Printer Unit is installed Monitor Functions Monitor display Level monitor Display the level and numerical value by selecting the level monitor with the DISP key DMM display Display the numerical values by pressing the DISP key Numerical value display Instantaneous value display with hold function Level monitor sampling 10 kS s fixed Refresh rate 0 5 s or more depends on the NPL...

Page 360: ...s an editor for creating waveform evaluation reference areas External Waveform evaluation reference areas BMP data created with third party software on a PC can be loaded into the instrument Editor commands Load wave zoom in out fill color draw shape eraser clear all clear select area invert colors cancel exit Waveform Generation Function The detailed hardware functions conform to the generator mo...

Page 361: ...e control input terminal START IN1 STOP IN2 SAVE IN3 Evaluation output terminals GO OUT1 NG OUT2 Remote control Select from among terminals for remote input START IN1 STOP IN2 SAVE IN3 START STOP START STOP ABORT PRINT SAVE Pen Up Down RUN STOP PAUSE Internal status output Select from among evaluation output terminals GO OUT1 NG OUT2 Error BUSY Trigger Probe calibration output Select evaluation ou...

Page 362: ...nction IExecute by pressing the AUTO key Automatically selects the optimal timebase and voltage axis for the input waveform Backlight brightness Selectable from 3 levels Time setting Year Month Day Hour Minutes Initialization Clear waveform data System reset Settings System settings 1 Environment System settings 2 Interface Self check function ROM RAM display printer keys system status Print key o...

Page 363: ...ndling Auto If a file with the same name exists saves the file adding a 4 digit number at the beginning of the file name Serial Saves the file adding a 4 digit number at the beginning of the file name Overwrite If a file with the same name exists overwrites the file Error If a file with the same name exists an error message will be displayed Selection of blocks to be saved Saves the selected block...

Page 364: ...iple file selections Directory management Create rename delete File sorting By name date size extension in ascending or descending order One touch saving The saving format and data specified in advance can be saved with a single action One Touch saving via SAVE key or a mouse click Specifications 18 ...

Page 365: ...al source resistance 100 Ω or less Low pass filter OFF 5 50 50 50 500 50 5 k 50 50 k 50 500 k 50 Hz 3 dB Input type Unbalanced input floating Input coupling AC DC GND Input resistance 1 MΩ 1 Input capacitance 30 pF 10 pF at 100 kHz A D resolution 12 bits Maximum sampling rate 20 MS s Input terminals Insulated BNC terminal Maximum input voltage 400 V DC Maximum rated voltage to earth 300 V AC DC be...

Page 366: ...div 200 C to 1000 C 0 05 C 100 C div 200 C to 1350 C 0 1 C J 1 10 C div 100 C to 200 C 0 01 C 50 C div 200 C to 1000 C 0 05 C 100 C div 200 C to 1100 C 0 1 C E 1 10 C div 100 C to 200 C 0 01 C 50 C div 200 C to 800 C 0 05 C 100 C div 200 C to 800 C 0 1 C T 1 10 C div 100 C to 200 C 0 01 C 50 C div 200 C to 400 C 0 05 C 100 C div 200 C to 400 C 0 1 C N 1 10 C div 100 C to 200 C 0 01 C 50 C div 200 ...

Page 367: ...put type Unbalanced input floating Maximum rated voltage to earth 300 V AC DC between individual input channels and enclosure as well as between individual input channels Measurement category II anticipated transient over voltage 2500 V Operating temperature and humidity As per Memory HiCorder in which Model 8967 is installed Storage temperature and humidity 20 C to 50 C 4 F to 122 F 90 RH or less...

Page 368: ... filters Cutoff frequency fc 20 40 80 200 400 800 2 k 4 k 8 k 20 k 40 k Hz Automatic setting when the anti aliasing filter is ON Attenuation property 66 dB or higher at 1 5 fc Input type Unbalanced input floating Input coupling AC DC GND Input resistance 1 MΩ 1 Input capacitance 30 pF 10 pF at 100 kHz A D resolution 16 bits Maximum sampling rate 1 MS s Input terminals Insulated BNC terminal Maximu...

Page 369: ...e Strain gauge transducer Gauge ratio 2 0 Bridge voltage 2 V 0 05 V Bridge resistance 120 Ω to 1 kΩ Balance adjustment range 10000 μe or less Balancing method Electronic auto balancing Measurement range 20 50 100 200 500 1000 me div Measurement accuracy 0 5 f s 4 me with the low pass filter set to 5 Hz Temperature characteristics Gain 0 05 f s C Zero position 2 5 me C Frequency characteristic DC t...

Page 370: ...it Accuracy figures assume installation in a Memory HiCorder and operation after a 30 minute warm up period at 23 C 5 C 73 F 9 F and 80 RH no condensation Product warranty period 3 years Measurement functions The following measurements based on voltage input frequency rotation speed power frequency count pulse duty ratio and pulse width Input terminals Insulated BNC terminal Input resistance 1 MΩ ...

Page 371: ... to 20 V variable 0 2 V step 50 V range 50 V to 50 V variable 0 5 V step 100 V range 100 V to 100 V variable 1 V step 200 V range 200 V to 200 V variable 2 V step 400 V range 400 V to 400 V variable 5 V step Slope Rising falling Frequency rotation speed power frequency count mode Level High Low Duty ratio mode pulse width mode Hold Frequency mode Rotation speed mode ON OFF 1 Hz 0 5 Hz 0 2 Hz 0 1 H...

Page 372: ...ersion Cable is required to connect a sensor with Model 8971 Measurement range When Model 9272 10 20 A 9277 or CT6841 is used 100 m 200 m 500 m 1 2 5 A div When Model CT6862 is used 200 m 500 m 1 2 5 10 A div When Model 9272 10 200 A 9278 CT6843 or CT6863 is used 1 2 5 10 20 50 A div When Model 9279 9709 CT6844 CT6845 CT6846 2 or CT6865 2 is used 2 5 10 20 50 100 A div Measurement accuracy 0 65 f ...

Page 373: ...DC RMS Unit Accuracy figures assume installation in a Memory HiCorder and operation after a 30 minute warm up period at 23 C 5 C 73 F 9 F and 80 RH no condensation Product warranty period 3 years Guaranteed accuracy period 1 year Number of input channels 2 channels Measurement range 5 10 20 50 100 200 500 mV 1 2 5 10 20 V div Measurement accuracy 0 5 f s Filter 5 Hz On RMS accuracy 1 f s DC 30 Hz ...

Page 374: ...ent overvoltage 2500 V Operating temperature and humidity As per Memory HiCorder in which Model 8972 is installed Operating environment As per Memory HiCorder in which Model 8972 is installed Storage temperature and humidity 10 C to 50 C 14 F to 122 F 80 RH or less no condensation Dimensions Approx 106W 19 8H 196 5D mm 4 17 W 0 78 H 7 74 D Mass Approx 250 g 8 8 oz Effect of radiated radio frequenc...

Page 375: ...ogic Probe Model 9327 Logic Probe Operating temperature and humidity As per Memory HiCorder in which Model 8973 is installed Operating environment As per Memory HiCorder in which Model 8973 is installed Storage temperature and humidity 20 C to 50 C 4 F to 122 F 80 RH or less no condensation Dimensions Approx 106W 19 8H 196 5D mm 4 17 W 0 78 H 7 74 D Mass Approx 190 g 6 7 oz Standards Safety EN6101...

Page 376: ...0 mV div f s 1000 mV 0 01 rdg 0 0025 f s 500 mV div f s 10 V 5 V div f s 100 V 0 025 rdg 0 0025 f s 50 V div f s 1000 V Temperature characteristic 0 002 rdg 0 00025 f s C A D conversion measurement method Δ Σ modulation method Integration time Power Frequency Integration time 50 Hz 20 ms NPLC 60 Hz 16 67 ms NPLC NPLC Settable from 0 1 to 0 9 in increments of 0 1 1 to 9 in increments of 1 10 to 100...

Page 377: ...e and humidity 10 C to 50 C 14 F to 122 F 80 RH or less no condensation Dimensions Approx 106W 19 8H 196 5D mm 4 17 W 0 78 H 7 74 D Mass Approx 260 g 9 2 oz Effect of radiated radio frequency electromagnetic field 0 1 f s max at 3 V m in 5 mV div range Standards Safety EN61010 EMC EN61326 Class A Option Model L2200 Test Lead ...

Page 378: ...m 0 f s to 90 f s Normal 500 ms rising from 0 f s to 90 f s Slow 2 5 s rising from 0 f s to 90 f s Temperature characteristic 0 05 f s C Frequency characteristic DC to 100 kHz 3 dB Noise 30 mV p p typ 50 mV p p max highest sensitivity range with input shorted Common mode rejection ratio 80 dB or more 50 Hz 60 Hz input shorted Low pass filter OFF 5 50 50 50 500 50 5 k 50 50 k 50 Hz 3 dB Input type ...

Page 379: ...agnetic field 5 f s max at 3 V m Effect of conducted radio frequency electromagnetic field 5 f s max at 3 V 500 mV div range with 1 V DC input Standards Safety EN61010 EMC EN61326 Class A Options Model L4940 Connection Cable Set 1 5 m Model L4935 Alligator Clip Set mounted on the tips of L4940 CAT IV 600 V CAT III 1000 V Model 9243 Grabber Clip mounted on the tips of L4940 CAT III 1000 V Model L49...

Page 380: ...ction Conditions of guaranteed accuracy Guaranteed accuracy period 1 year Guaranteed accuracy period from adjustment made by Hioki 1 year Temperature and humidity for guaranteed accuracy 23 C 5 C 73 F 9 F 80 RH or less Warm up time at least 30 min Power supply frequency range for Memory HiCorder in which Model U8793 is installed 50 Hz 60 Hz 2 Hz Number of output channels 2 channels Output terminal...

Page 381: ...ves duty ratio setting range 0 1 to 99 9 setting resolution 0 1 Valid with a pulse width of 500 ns or greater Pulse waves duty ratio accuracy 0 1 of period not lower than 10 mHz but not higher than 5 kHz 0 5 of period higher than 5 kHz but not higher than 20 kHz 1 0 of period higher than 20 kHz but not higher than 100 kHz Specifications for Arbitrary Waveform Generation Function Output waveform Wa...

Page 382: ...etting range 1 to 50 000 or Monitor functions Display of step number being executed step loop count and overall loop count Other Specifications Channel synchronization Ability to set the phase between channels on the same module and between modules Self test function Ability to monitor output voltage value Monitor resolution 10 mV Monitor accuracy 3 0 f s f s 15 V Output start stop By operating ke...

Page 383: ...m output Open Short circuit Output relay Switching time 5 ms or less Output protection Output current limited to 40 mA when output is shorted Maximum rated voltage to earth 33 V rms AC or 70 V DC between individual output channels and enclosure as well as between individual output channels Anticipated transient overvoltage 330 V Operating temperature and humidity As per Memory HiCorder in which Mo...

Page 384: ...ng Amplitude Setting range 0 V p p to 20 V p p Setting resolution 1 mV Amplitude accuracy 0 25 of setting 2 mV p p not lower than 1 Hz but not higher than 10 kHz 0 6 of setting 2 mV p p higher than 10 kHz but not higher than 20 kHz DC offset Setting range 10 V to 10 V Peak value including amplitude and DC offset is limited to 10 V Setting resolution 1 mV Offset accuracy 3 mV DC output Output accur...

Page 385: ... Pattern output pulse output switched for all 8 channels at once Output mode 2 Logic output Output voltage level 0 V to 5 V high level 3 8 V or greater low level 0 8 V or less Rated current 5 mA Open collector Output Collector emitter absolute maximum rated voltage 50 V Over current protection 100 mA Logic output open collector output set separately for each of 8 channels Output mode 3 Output open...

Page 386: ...29 I_GND 5 CH4 30 I_GND 6 I_GND 31 I_GND 7 CH5 32 I_GND 8 CH6 33 I_GND 9 CH7 34 I_GND 10 CH8 35 I_GND 11 I_GND 36 I_GND 12 NC 37 I_GND 13 NC 38 I_GND 14 NC 39 I_GND 15 NC 40 I_GND 16 I_GND 41 I_GND 17 NC 42 I_GND 18 NC 43 I_GND 19 NC 44 I_GND 20 NC 45 I_GND 21 I_GND 46 I_GND 22 TEST2 DIN03 47 I_GND 23 TEST3 DIN02 48 I_GND 24 NC 49 I_GND 25 NC 50 I_GND Frame F_GND CH1 to CH8 Pulse output I_GND Isol...

Page 387: ...382 Module Specifications ...

Page 388: ...ir be sure to include details of the problem To avoid straining some parts of the printer and to prevent dirt adhering to the print head close the printer cover Replaceable Parts and Operating Lifespan The characteristics of some parts used in the product may deteriorate due to long time of use To ensure the product can be used over the long term it is recommended to replace these parts on a perio...

Page 389: ... If the date and time deviate substantially when the instrument is switched on the battery should be replaced Contact your authorized Hioki distributor or reseller The fuse is housed in the power unit of the instrument If the power does not turn on the fuse may be blown If this occurs replacement or repair cannot be performed by the customer Please contact your dealer or Hioki representative ...

Page 390: ...eform appears when you press the START key Is the Pre Trigger wait message displayed Is the Trigger wait message displayed When pre triggering is enabled triggering is ignored until the pre trigger portion of the waveform has been acquired Recording starts when a trigger occurs No changes occur in the displayed waveform Is the clamp sensor or connection cable connected correctly Is the vertical ax...

Page 391: ... in the module settings 3 4 2 Choose Analog Channel Settings p 63 Recording traces are doubled Is the waveform printing density set to Light In this case printed dots are spaced out in the vertical direction Therefore a slightly varying waveform prints sometimes as one line and sometimes as two Change to waveform printing density setting to something other than Light Printer sheet 6 4 Setting the ...

Page 392: ...ava settings see the application disc supplied with the instrument This remote operation through a browser is mainly intended for monitoring the screen If you want more nimble operation use Model 9333 LAN Communicator In remote control operation the keys are displayed but the screen is not displayed Delete Java cache files Configure the Java setting from the Control Panel of the PC For more inform...

Page 393: ...t 2 Select On Select Off for the groups of settings that you do not want to reset Status Ch Trigger Current settings on the Status screen Channel screen and Trigger setting window Default setting On Environment Current settings on the Environment sheet File Save sheet and Printer sheet Default setting On Interface Current settings on the Interface sheet Default setting Off 1 2 3 3 Move the cursor ...

Page 394: ...timebase settings 3 3 3 Recording Length Number of Divisions p 57 6 Cannot set Time Div 10ms to 200ms When the Recording Length Shot is set to Continuous Cont On the printer cannot be used 10 Mount media Set the recording media 2 3 Prepare Storage Media p 40 11 Illegal format Wrong recording format Reformat the media 2 3 2 To Format Storage Media p 42 12 Cannot write Write protection is enabled on...

Page 395: ...uation is enabled Turn Off waveform evaluation 14 3 Set the Waveform Evaluation Mode p 296 29 The recording length was restricted 30 Auto ranging failed Check the input signal 3 6 Measurement With Automatic Range Setting Auto ranging Function p 70 31 AB cursor positions invalid The AB cursors overlap Check the cursor positions 7 2 Specify a Waveform Range AB Cursor p 125 32 Zero adjustment needed ...

Page 396: ...cannot be set to On because of lack of adjustment 50 Roll Mode is not available Roll Mode cannot be used when Overlay is enabled 8 2 Display Waveforms During Recording Roll Mode p 147 51 Cannot use Pre Trigger The pre trigger function is not available when using external sampling 17 External Control p 335 52 Cannot use Roll Mode Memory Division If the waveform calculation function is in use these ...

Page 397: ...se Trigger Settings to Search Measurement Data p 207 101 Some blocks are different in time axis setting from the others Set the same timebase setting for all search target blocks If they cannot be the same set the search range to display blocks only 102 Some blocks are different in modules configuration from the others Unify the modules configuration of search target blocks If they cannot be the s...

Page 398: ...AM Performing a ROM RAM check will erase measurement data Save measurement data to other media before performing the ROM RAM check 1 Move the cursor to ROM RAM Check 2 Select Exec The ROM RAM check will start The following checks are performed in the sequence shown Program ROM Address bus Backup RAM Work RAM Video RAM Storage RAM Do not turn the power off during the check To cancel the check press...

Page 399: ...quality print speed and print density settings will be reflected in the test printout 2 Select Exec A test pattern will be printed About 5 cm of each of the following patterns will be printed in order Checkerboard Vertical lines Slanted lines Characters To cancel the check press the STOP key 19 4 3 Display Check This check tests the condition of the display screen 1 Move the cursor to Display Chec...

Page 400: ...highlighted over Jog Rotate to the left and right one time or more in each direction Shuttle Turn slowly all the way in each direction The START key also functions as an LED light check key The check is finished when you have operated all the keys To cancel the check press the START and STOP keys simultaneously You will be returned to previous screen 19 4 5 System Configuration Check The list of i...

Page 401: ... below To Clean the Print Head Before Cleaning Recording paper is required to clean the print head Verify that the recording paper is loaded correctly 1 Press the SYSTEM key to display the Init sheet 2 Move the cursor to Printer Check 3 Select Exec If printing is blurred wash the printer head By selecting Cleaning paper dust can be cleared readily If sufficient improvement is not obtained even aft...

Page 402: ... can be removed with a commonly available camera blower brush if it causes concern Always use the paper cutter to cut the printed paper Excessive paper dust can accumulate on the roller if the paper is cut by the print head To Clean the Instrument and Modules CAUTION Clean the vents periodically to avoid blockage If the vents become clogged the instrument s internal cooling will be impeded which m...

Page 403: ...the power cord and connection cables before removing the lithium battery Keep batteries away from children to prevent accidental swallowing The battery may explode if mistreated Do not short circuit recharge disassemble or dispose of in fire When disposing of this instrument remove the lithium battery and dispose of battery and instrument in accordance with local regulations CALIFORNIA USA ONLY Pe...

Page 404: ...ee screws on the top and bottom respectively Screws Three on the top of the left side Screws Three on the top of the right side 5 5 4Screws Four on the top Printer frame Back side 3 Screws Three on the top and three on the bottom 4 Remove the printer frame by removing the screws securing it four on the top 5 Remove the top cover by removing three screws on the top of the right side and the top of ...

Page 405: ...400 Dispose of the Instrument Lithium Battery Removal ...

Page 406: ...to Save Off Printer Auto Print Off Grid Standard Ch Mark Ch No Time Val Time Mag Comp Same to display Copy GUI Yes Print Area All Wave Interface Interface LAN USB Set USB Memory Channel Unit List Wave_Disp analog Color 1 16 Wave Density Standard Wave_Disp Logic Off Logic Width Normal Range Maximum sensitivity Coupling DC Scaling Disp Ratio Each channel Off Comment Print Comment Title Setting Print...

Page 407: ...1 2 4 8 16 32 100 10 001 48 KB 68 KB 108 KB 188 KB 349 KB 669 KB 1 000 100 001 224 KB 420 KB 811 KB 1 6 MB 3 1 MB 6 1 MB 10 000 1 000 001 1 9 MB 3 8 MB 7 7 MB 15 MB 31 MB 61 MB 100 000 10 000 001 19 MB 38 MB 76 MB 153 MB 305 MB 610 MB 1 000 000 100 000 001 191 MB 381 MB 763 MB REC File Size Recorder Function Filesize setting size data size Calculation method REC File p A4 Recording length div Data...

Page 408: ...9 KB 189 KB 350 KB 100 000 225 KB 421 KB 812 KB 1 6 MB 3 1 MB 1 000 000 1 9 MB 3 8 MB 7 7 MB 15 MB 31 MB 2 000 000 3 8 MB 7 7 MB 15 MB 31 MB 61 MB 16 000 000 31 MB 61 MB 122 MB 244 MB 488 MB CSV Text File Size Memory Function File size header size data size Calculation method CSV Text File p A4 Recording length div Data quantity Saved channels 1 2 4 8 16 32 100 10 001 313 KB 450 KB 723 KB 1 2 MB 2...

Page 409: ...c units number of data FFT File File size bytes header size 1 size of time axis data 2 size of mid term data 3 1 Header size 30720 512 number of analog channels number of waveform calculation channels number of FFT calculation channels 1 2 Size of time axis data number of analog channels 2 number of waveform calculation channels number of data 4 3 Size of mid term data 346 number of FFT points 836...

Page 410: ...ends on the selected timebase The maximum recording time can be obtained by the following formula Recordable Time Timebase Recording Length Recordable time can be verified on the Status screen Status sheet Recording period Setting a slow timebase may result in a very long recording time over a year which may exceed the guarantee period or product life in which case we cannot guarantee operation Th...

Page 411: ...0 div Memory Function Timebase div Sampling rate Maximum recording length 32 channels 160 000 div 5 µs 50 ns 0 8 s 10 µs 100 ns 1 6 s 20 µs 200 ns 3 2 s 50 µs 500 ns 8 s 100 µs 1 µs 16 s 200 µs 2 µs 32 s 500 µs 5 µs 1 min 20 s 1 ms 10 µs 2 min 40 s 2 ms 20 µs 5 min 20 s 5 ms 50 µs 13 min 20 s 10 ms 100 µs 26 min 40 s 20 ms 200 µs 53 min 20 s 50 ms 500 µs 2 h 13 min 20 s 100 ms 1 ms 4 h 26 min 40 s...

Page 412: ...the number of divisions Desired Recording length The number of divisions blocks Maximum recording length div 2 80 000 4 40 000 8 20 000 16 10 000 32 5 000 64 2 500 128 1 200 256 600 512 300 1024 150 Fixed Recording length The number of divisions blocks Maximum recording length div 2 50 000 4 20 000 8 20 000 16 10 000 32 5 000 64 2 000 128 1 000 256 500 512 200 1024 100 Appx ...

Page 413: ... respectively Torsional Stress Measurement Stress σ E 2 1 ν ε with two gauges When using four gauges that the values are halved Refer to the strain gauge instruction manual for combinations of strain gauges for each measurement Example Measuring Compressive Stress Using the one gauge method for an aluminum measurement object with a Young s modulus of 73 GPa according to the following calculation σ...

Page 414: ...CAT II Model MR8990 Digital Voltmeter Unit 2 500 S s 24 bits 500 V DC 300 V AC DC CAT II RMS voltage measurement Model 8972 DC RMS Unit 2 1 MS s 12 bits 400 V DC 300 V AC DC CAT II Model U8974 High Voltage Unit 2 1 MS s 16 bits 1000 V DC 700 V AC 1000 V AC DC CAT III 600 V AC DC CAT IV Temperature Thermocouple measurement Model 8967 Temp Unit 2 16 bits 300 V AC DC CAT II Frequency count pulse duty...

Page 415: ... Connection Cable Isolated BNC Isolated BNC 300 V AC DC Model 9322 Differential Probe For high voltage Model 9418 15 AC Adapter is required when connecting to the module for voltage measurement CAT II 2000 V DC 1000 V AC CAT III 600 V AC DC Model P9000 01 Differential Probe Model P9000 02 Differential Probe The Model Z1008 AC Adapter or a commercially available USB cable is required CAT III 1000 V...

Page 416: ...DC to 20 kHz Dedicated for AC Model CT955X or 9318 is required for connection Model 9272 10 Clamp On Sensor 20 A 200 A 1 Hz to 100 kHz Dedicated for AC Model 9018 50 Clamp On Probe 10 A to 500 A 40 Hz to 3 kHz Model 9132 50 Clamp On Probe 20 A to 1000 A 40 Hz to 1 kHz Leakage current Model 9657 10 Clamp On Leak Sensor 10 A AC Leakage current 50 Hz 60 Hz Others For connecting to a module for voltag...

Page 417: ...A4 width 30 m one set of 6 rolls Storage media SSD Unit Model U8330 SSD Unit Built in SSD drive specify when ordering CF Card Model 9728 PC Card 512M 512MB with adapter Model 9729 PC Card 1G 1GB with adapter Model 9830 PC Card 2G 2GB with adapter Software Application Software Model 9333 LAN Communicator Model 9335 Wave Processor ...

Page 418: ...frequencies such as in the following diagram The characteristics of a signal that may be difficult to analyze when viewed only as a waveform in the time domain can be easier to understand by transforming it into a spectrum the frequency domain Amplitude Time Time Domain Waveform Frequency Discrete Fourier Transforms and Inverse FFT For a discrete signal x n the DFT is X k and the number of Analysi...

Page 419: ...δ n which is 1 when n 0 and 0 when n 0 is applied to x n the input output relationship is y n h n 8 This means that when the input signal is given as a unit impulse the output is the LTI system characteristic itself The response waveform of a system to a unit impulse is called the impulse response On the other hand when the discrete Fourier transforms of x n y n and h n are X k Y k and H k respect...

Page 420: ... after measurement the instrument performs as follows 1 When N1 N2 Because not enough data has been collected zero is inserted for time after the end of the measured waveform The window function applies only to the N1 segment Frequency resolution is increased For example if N1 1000 and N2 2000 frequency resolution is doubled The average energy of the time domain waveform is reduced so the amplitud...

Page 421: ...ency component higher than fs 2 it is observed as a lower frequency alias that does not really exist The following diagrams show the results of spectrum analysis of composite waveforms having components of 1 kHz and 3 kHz and of 1 kHz and 7 kHz If sampling frequency fs is 10 kHz the spectral component of an input frequency above 5 kHz in this case 7 kHz is observed as an alias at 5 kHz or below In...

Page 422: ...cuts frequencies higher than one half of the sampling frequency Low pass filters used this way are called anti aliasing filters The following figures show the effect of application of an anti aliasing filter on a square wave input waveform Without an anti aliasing filter Input time waveform Frequency analysis results Non existent frequency components are observed With an anti aliasing filter Input...

Page 423: ... Imaging Time domain waveform in the 8 MHz frequency range sampling frequency 20 MHz The highest sampling frequency of the Model 8968 is 1 MHz so the same input data value is used for each block of 20 samples resulting in a stair step waveform Spectrum When FFT processing is performed on a stair step waveform the resulting spectrum shows non existent components In this case the spectral components...

Page 424: ...fied number of counts to average n count of measurements to average An averaging results of n counts Zn measurement data of n counts Overall Value The overall value is the sum of the power spectrum at each frequency This value is nearly equal to the positive sum of the squares of the RMS input signals except when frequency averaging is performed The FFT function of the instrument calculates and di...

Page 425: ...le of the input signal frequency a single line spectrum is obtained However if it is not an integer multiple of the frequency When the waveform assumed with FFT includes discontinuous points the spectrum is scattered and a line spectrum cannot be obtained This phenomenon is called leakage error as shown below Spectrum 0 0 002 0 004 0 006 0 008 0 01 0 1 0 0 1 Time sec Amplitude V 0 10 20 30 40 200 ...

Page 426: ...encies The largest peak is called the main lobe and the smaller peaks are the side lobes The most accurate results of the FFT function are obtained when the width of the main lobe and the amplitude of the side lobes are minimized although both conditions cannot be satisfied at the same time Therefore a window function with a wide main lobe is used when amplitude values are important while a window...

Page 427: ... 60 40 20 0 Frequency 1 W Gain dB Time Domain Waveform Spectrum Blackman window N 1 0 Amplitude 0 0 2 4 6 8 10 80 60 40 20 0 Frequency 1 W Gain dB Time Domain Waveform Spectrum Blackman Harris window N 1 0 Amplitude 0 0 2 4 6 8 10 80 60 40 20 0 Frequency 1 W Gain dB Time Domain Waveform Spectrum Flat top window N 1 0 Amplitude 0 0 2 4 6 8 10 80 60 40 20 0 Frequency 1 W Gain dB Time Domain Waveform...

Page 428: ...one another a rectangular window with a narrow main lobe is able to separate and display both frequencies but a Hann window with a wide main lobe displays the two as a single spectral component 100 500 1000 5000 10000 100 50 0 Frequency Hz Amplitude dB 100 500 1000 5000 10000 100 50 0 Frequency Hz Amplitude dB Analysis Using a Rectangular Window Analysis Using a Hann Window Appx ...

Page 429: ...it Normalized Frequency f fm Class 1 and 2 lower limit Sharp filter Normalized Frequency f fm Gain dB Class 2 upper limit Class 1 lower limit Class 2 lower limit Sharp filter Normal filter Class 1 upper limit 1 3 Octave Filter Characteristic 1 1 5 20 10 0 1 2 3 4 5 6 7 8 9 10 100 80 60 40 20 0 Gain dB Normalized Frequency f fm Class 1 and 2 lower limit Normalized Frequency f fm Gain dB Class 2 upp...

Page 430: ...le p xt α1xt 1 α2xt 2 αpxt p ɛt 16 However εt is an uncorrelated random variable with average value 0 and the dispersion σ 2 Expression 16 shows how current sample value xt can be linearly predicted from previous sample values If the predicted value of xt is actually 𝑥𝑥𝑡𝑡 𝑥𝑥𝑡𝑡 𝜀𝜀𝑡𝑡 𝛼𝛼1 𝑥𝑥𝑡𝑡 𝑖𝑖 𝜀𝜀𝑡𝑡 expression 16 can be transformed as follows 𝑥𝑥𝑡𝑡 𝑥𝑥𝑡𝑡 𝜀𝜀𝑡𝑡 𝛼𝛼1 𝑥𝑥𝑡𝑡 𝑖𝑖 𝜀𝜀𝑡𝑡 17 Here αi is called the...

Page 431: ...A26 FFT Definitions ...

Page 432: ...eway 311 Header 333 Host name 311 IP address 311 Port number 333 Subnet mask 311 Connection Measuring current 34 Measuring Frequency Number of Rotations and Count 29 Measuring logic signals 35 Measuring temperature 30 Measuring vibration or displacement with a strain gauge transducer 31 Measuring voltage 28 Connection cables 28 29 Conversion ratio 151 COPY key 118 Cross correlation function 284 Cr...

Page 433: ...4 Input coupling 63 Input level 133 Installation 6 Internal memory 40 Internet browser 315 Invert 162 J Jog 17 Judgment 216 Jump function 127 K Key lock 17 L L9197 Connection cable 28 29 L9217 Connection cable 28 29 LAN 310 333 Level monitor 133 Level trigger 191 Linear predictive coding A25 Linear spectrum 273 Linear time invariant system A14 Lithium battery 398 Load 93 File type 79 Logic channel...

Page 434: ...ed data 45 Recording length Data samples 58 Rectangular window 250 A21 Reference block 240 Reference data 246 Resolution 64 Response 174 Response time Response 172 Rise time 212 214 223 RMS Root Mean Square value 222 Roll mode 147 ROM RAM check 393 Running spectrum 265 S Save 77 81 Auto save 81 File type 79 Quick save 81 Selection save 81 Saving is not possible 386 SAVE key 81 88 Scaling 151 Rated...

Page 435: ...Setting workflow 188 Trigger source AND OR 206 Two point setting 151 U U8330 SSD Unit 40 Upper and lower limits 136 USB 40 328 333 Used block 137 239 Used channel 150 V Variable auto correction 153 Variable function Using together with the scaling function 160 When scaling is set 153 Vernier 161 Voltage sag trigger 192 W Waveform Magnify compress 130 Range specification 125 Waveform calculation 22...

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