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Appendix 8 Concerning Noise Countermeasures

A

15

Appendix

The Importance of Device Grounding

Ground the instruments (Model LR8431-20) securely

The LR8431-20 is designed so that the chassis is grounded when the three-prong
power cord from the adapter is plugged directly into a grounded, three-prong recep-
tacle.
If a three-prong-to-two-prong adapter must be used on the AC adapter power cord
and therefore the instrument is not grounded, the instrument can still be grounded by
connecting a grounded wire to the GND terminal (a pushbutton terminal) located on
the side of the LR8431-20.

Securely ground the chassis of the device being tested.

Securely connect the chassis of the device being tested to a good ground.

Connecting the chassis GND on the signal side to the instrument chas-
sis

When connecting the chassis ground of the LR8431-20 to the chassis ground of the
device being tested and then to ground, use a wire that is as short and as thick as
possible to bring both pieces of device to equal potential.

Thermocouple

Device being
Tested

Instrument

Grounding Both the Device Being Tested
and the Instrument

Chassis GND of In-
strument being Test-
ed

GND of the



Instrument

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Содержание LR8431

Страница 1: ...EN LR8431 20 MEMORY HiLOGGER Instruction Manual Aug 2015 Revised edition 3 LR8431B980 03 15 08H...

Страница 2: ......

Страница 3: ...ng Key Operations Key Lock Function 23 Saving Data 23 Verifying the Input Level Level Monitor 24 Chapter 2 Measurement Preparations_________________25 2 1 Using the Battery Pack Option 26 Install the...

Страница 4: ...ings 49 Voltage Measurement Settings 50 Temperature Measurement Settings 51 Integration Count Measurement Settings 53 Revolution Measurement Settings 54 3 5 Display Settings 56 Selecting Waveform Disp...

Страница 5: ...8 Chapter 5 Waveform Analysis__________________________81 5 1 Viewing Waveforms 82 Scrolling Waveforms 82 Verifying Waveform Display Position 82 Magnifying and Compressing Horizontally 83 Viewing Any...

Страница 6: ...a Setting Configuration 103 Loading Waveform Data and Screen Images 104 6 5 Data Management 105 Switching removable storage 105 Viewing Folder Contents and the Parent Folder 106 Deleting Data 106 Rena...

Страница 7: ...ator Characters 123 8 3 Making System Settings 124 Setting the Date and Time 124 Initializing the Memory HiLogger System Reset 125 Switching the USB mode 126 Self Test 127 Chapter 9 External Control _...

Страница 8: ...2 Appendix 8 Concerning Noise Countermeasures A13 Appendix 9 Using the Application Program A19 Installing Logger Utility A20 Installing the USB Driver A23 Connecting the Memory HiLogger to the Compute...

Страница 9: ...ormance from the instrument please read this manual carefully and keep it handy for future reference Registered trademarks Windows is a registered trademark of Microsoft Corporation in the United Stat...

Страница 10: ...e Confirm that these contents are provided Model LR8431 20 1 Memory HiLogger Model Z1005 AC Adapter 1 with supplied power cord p 30 Measurement Guide 1 USB Cable 1 CD 1 Instruction Manual PDF This doc...

Страница 11: ...aim any responsibil ity for accidents or injuries not resulting directly from instrument defects Safety Symbols In the manual the symbol indicates particularly important information that the user shou...

Страница 12: ...e EC Directive This is a recycle mark established under the Resource Recycling Promotion Law only for Japan WEEE marking This symbol indicates that the electrical and electronic appliance is put on th...

Страница 13: ...as follows for the purposes of these instructions Measured data data acquired in internal memory is erased whenever a new measurement starts To retain data always record save it CAT II Primary electr...

Страница 14: ...d humidity 0 to 40 C at 80 RH or less non conden sating Temperature and humidity range for guaranteed accuracy 23 5 C 80 RH or less Operating Precautions Before Use Instrument Installation Avoid the f...

Страница 15: ...n the presence of strong electromagnetic fields such as near radio transmitters If liquid enters the enclosure through an air vent or other opening it may damage the instrument s internal circuitry Ex...

Страница 16: ...the AC adapter to the instrument and to AC power To avoid electrical accidents and to maintain the safety spec ifications of this instrument connect the power cord pro vided only to a 3 contact two c...

Страница 17: ...y or fatal accident Channels are insulated by semiconductor relays When a voltage beyond the specification is applied between the channels the semiconductor relay may short circuit Please ensure that...

Страница 18: ...cause there is a danger of scratching the surface and corrupting the data Do not use adhesive labels Do not expose the disc directly to the sun s rays or keep it in conditions of high temperature or h...

Страница 19: ...eval become diffi cult In this case replace the CF card USB flash drive with a new one We cannot provide compensation for data loss in a CF card USB flash drive regardless of content or cause of the d...

Страница 20: ...Operating Precautions 12...

Страница 21: ...m a CF card or USB flash drive p 91 Waveform analysis mV A Cursor Measurements p 84 A B Using the A B cursors values at cursor lo cations on waveforms and the time at trig ger positions can be display...

Страница 22: ...figure Recording Settings p 38 Using a previously saved setting configuration Reload a previously stored setting con figuration from Model LR8431 20 memory or a CF card or USB flash drive and measure...

Страница 23: ...cording using the trigger function recording occurs only when the input waveform satisfies specified trigger criteria Record repeatedly Repeat On default setting Data Analysis View Measurement Data p...

Страница 24: ...Cancels changes to settings Cursor Keys Moves the position of the cursor blinking selection on the screen ENTER Accepts displayed settings KEY LOCK Disables keypad op erations Press and hold the left...

Страница 25: ...Side POWER Switch Turns the instrument on and off p 34 Power Off Power On USB Port USB 2 0 mini B receptacle Using the included Logger Utility applica tion software you can monitor measure ment data...

Страница 26: ...urement data is displayed as waveforms with calculation results p 115 Gauge Wave Screen Measurement data is displayed as waveforms with gauges p 84 Wave Value Screen Measurement data is displayed as w...

Страница 27: ...lly charged battery pack Battery pack operation Battery pack operation Low battery indicator CF card Displayed when a CF card is inserted The icon appears red when accessing the card USB source indica...

Страница 28: ...all channel settings p 62 Trig Alm Screen Recording criteria triggering and warning sounds can be set for each channel p 67 System Screen Configure the system environ ment p 119 Settings Screens Press...

Страница 29: ...setting Changing screen contents Setting Screen Waveform Screen Apply the new setting or cancel it Scrolling a waveform Earlier Later See Scrolling Waveforms p 82 Reading values at cursors 1 Display t...

Страница 30: ...arts are not the same A confirmation message appears when you press the START STOP key to start recording Save important data to a CF card or USB flash drive before starting because previous measure m...

Страница 31: ...t and left cursor keys for three seconds to lock the other keys and repeat to unlock Insert a CF card or USB flash drive Press the SAVE key A dialog appears Select the save destination and item to sav...

Страница 32: ...another chan nel Changing the Monitor Display Select whether to display all channels or only se lected channels All Ch SlctCh Value All Ch The channels displayed in the level monitor are those with a...

Страница 33: ...or USB flash drive p 93 4 2 Connect measurement cables p 31 Pulse signals Connect the Hioki 9641 connection cable Voltage measurement Connect the measurement leads Temperature measurement Connect the...

Страница 34: ...nts or damage related to the use of any other batteries To avoid the possibility of explosion do not short circuit disassemble or incinerate battery pack When storing the instrument make sure no objec...

Страница 35: ...ry pack is subject to self discharge Be sure to charge the battery pack before initial use When recharging a discharged battery pack in the LR8431 20 allow it to charge for at least ten minutes with t...

Страница 36: ...oximate charging time About 200 minutes at 23 C when recharged at the first appearance of the low battery indicator Approximate continuous battery only operating time When saving data to a CF card at...

Страница 37: ...er face down and remove the battery com partment cover screw and cover 2 Connect the plugs of the battery pack to the connectors and insert the battery pack with the label side up Replace the bat tery...

Страница 38: ...ectrical hazards and damage to the instrument do not apply voltage outside of this range Turn the instrument off before connecting the AC adapter to the instrument and to AC power To avoid electrical...

Страница 39: ...cted to the object to be measured Otherwise an electric shock accident may occur To avoid short circuit accidents make certain that connec tions are secure Channels are insulated by semiconductor rela...

Страница 40: ...voltage or temperature respectively Using the screwdriver loosen the terminal block screws insert the bare ends of the leads and tighten the screws Connect to the measurement object Analog Input Term...

Страница 41: ...t mains circuits or if an ungrounded power cord is used the potential difference between the dif ferent grounding paths may result in current flow through a connection cable that could damage the meas...

Страница 42: ...d if measuring for a long time and measurement may be interrupted Verify that the AC adapter is securely connected to an AC power source and to the instrument Turning Power On Turn the power switch of...

Страница 43: ...a tion where the ambient temperature is markedly different 2 5 Zero Adjustment Any zero adjust setting is cleared upon system reset p 125 Turn on the power and wait for 30 minutes to stabilize the int...

Страница 44: ...2 5 Zero Adjustment 36...

Страница 45: ...ntative Metal Exposed No Metal Exposed Do not use if damage is present as you could re ceive an electric shock Replace the damaged items To If damage is evident request repairs Yes Is damage to the in...

Страница 46: ...onfigure input channels p 49 Analyze Analyze recorded data on the Waveform screen p 81 Calculations can be applied to measured data p 113 Save Select and save data p 91 When configuration is finished...

Страница 47: ...gth beginning when measurement starts Cont Off Continuous Recording Records continuously beginning when measurement starts Cont On Repeat Recording Records repeatedly for the specified recording lengt...

Страница 48: ...n p 56 Specifying upper and lower display limits p 57 Recording specific events triggering p 68 Setting alarm output alarm function p 73 Setting Unit Conversion Scaling p 58 Switching the monitor disp...

Страница 49: ...Voltage measurement p 50 Temperature measurement p 51 Integration pulse count p 53 Revolution measurement p 54 Alarm settings p 73 Setting the display range Specifying the display position p 56 Specif...

Страница 50: ...Move to a setting item Apply Open the setting options for the item to be set Select from the listed options 1 2 Select the Setting screen Specify the Recording Interval Select from the Interval setti...

Страница 51: ...e displayed axis depend on the recording interval used when measuring Setting the Display Time Base horizontal axis magnification set as needed 1 div Selectable Not selectable Not selectable while mea...

Страница 52: ...auto save is enabled for measurement data the saving method depends on whether Deleting or Split Save segmented save is selected p 46 To record for a specified length time span 1 Set Cont to Off 2 Spe...

Страница 53: ...p trigger event To manually stop re cording press the START STOP key Dead time When repeating recording is enabled Repeat set to On After a recording length has elapsed some dead time is needed for in...

Страница 54: ...Description Waveform data only Waveform realtime MEM Waveform data is saved to the CF card while re cording CSV realtime 2 CSV Waveform data is saved in CSV text format while recording Saved data cann...

Страница 55: ...becomes full On When space on the CF card or USB flash drive declines to a certain level when starting or dur ing automatic saving the oldest file is deleted If the file cannot be deleted saving stops...

Страница 56: ...ttom of the screen When both a CF card and USB flash drive are in stalled and either is removed the save destina tion automatically switches to the remaining media Execute The media icon display will...

Страница 57: ...on the Range Scaling Trig Alm and Comment screens In this example settings are made on the CH screen while viewing the level monitor You can specify recording criteria with the input settings to contr...

Страница 58: ...nge setting Setting options 100mV 1V 10V 20V 100V 1 5V default setting 1 2 3 4 On Off Instrumentation and Control Device Measurements For instrumentation control signal measurements select 1 5 V This...

Страница 59: ...connected the value will fluctuate etc and will not be stable On Detect broken wires This setting is available only when the re cording interval is at least 100 ms and the 50 Hz or 60 Hz digital filt...

Страница 60: ...easurement value calculation values and saved data are handled as full scale output values of the 16 bit A D converter See LR8431 20 Measurement Values p A12 About Burn Out Detection Broken disconnect...

Страница 61: ...r may be exceeded it is recommended to set the integration mode to instantaneous and tabulate the results later with Excel or a simi lar application 1 Select a channel P 1 to P 4 for the Chan nel sett...

Страница 62: ...ion Measurement Settings Change 1 s digit Change 10 s digit 0 V L H 1 Select a channel P 1 to P 4 for the Chan nel setting contents 2 To enable measurement on the channel select On to display the chec...

Страница 63: ...er of pulses counted in two seconds is P200 2000 c then the revolution rate rps at t 2s rt 2 can be obtained When time ts is less than one second The pulse count at t 1 s whole seconds cannot measured...

Страница 64: ...ange of a voltage measure ment and in integration measurement Position cannot be specified 3 5 Display Settings Selecting Waveform Display Color Select from the waveform display color set ting options...

Страница 65: ...ange Default Setting Input type Zoom Zero position Input type Zoom Zero position Voltage x1 50 Integration Count Temperature Tc x20 0 Revolution Revolve x1 0 Specifying the Vertical Display Range by U...

Страница 66: ...using floating point notation Off Scaling is disabled Ratio Convert by specifying the ratio of physical units per volt of input signal conversion ra tio offset and the name of the units 2 pt Convert b...

Страница 67: ...r the Unit name on the comment entry screen See Entering Comments p 60 3 Specify the physical units per pulse or the number of pulses per fundamental unit for example if 1 c 1 pulse select 1 pulse The...

Страница 68: ...ns This description enters a comment on the CH screen The following characters are converted as follows when saved to a text file 3 6 Entering Comments Select the CH screen Select the field to enter t...

Страница 69: ...the pick list Clear FILE key Clears all entered characters Char Input CH key Switches between the pick list and character selection frames Cursor up down key Selects from the pick list frame Select E...

Страница 70: ...ged in the list You can copy batches of settings between channels 3 7 Viewing All Channel Settings in a List Range screen Scaling screen Input Types Voltage Temperature Integration Revolution Alarm Tr...

Страница 71: ...ngs from channel 1 to channels 2 through 10 Copy settings of P1 to all other pulse channels Copy the settings from channel P1 to channels P2 through P4 Except for the following the settings dis played...

Страница 72: ...has been set to Setting Position CH1 to CH10 waveforms can be displayed together with each allotted 5 or 10 of the screen height Initializing Settings to factory defaults Select which screen you want...

Страница 73: ...t units to Celsius disable set to Off the scaling func tion p 58 Alignment Example with CH1 zero position aligned at 95 and occupying 10 of vertical screen height Channel Zero position CH1 95 CH2 85 C...

Страница 74: ...3 7 Viewing All Channel Settings in a List 66...

Страница 75: ...Trig Alm screen p 75 Specifying Criteria for Measurements Triggering Alarm and Timer Chapter 4 Trigger Type Description Setting Screen Ref Start Trigger Recording starts when the specified Start Trig...

Страница 76: ...t Recording starts or stops when the input signal exits a range defined by upper and low er thresholds T T Trigger Level Input Trigger Slope T T Upper Threshold Lower Threshold T T Upper Threshold Low...

Страница 77: ...ing the Input Signal Trigger Threshold Level Trigger T T Level Setting Ranges and Resolution Channels Input type Range Resolution Channels Input type Range Resolution CH1 CH10 Voltage 100mV 25 V P1 P4...

Страница 78: ...nnels Input Range Resolution Default setting Upper Lower CH1 CH10 Voltage 100mV 25 V 2 mV 2 mV 1V 250 V 20 mV 20 mV 10V 2 5 mV 0 2 V 0 2 V 20V 5 mV 0 4 V 0 4 V 100V 25 mV 2 V 2 V 1 5V 2 5 mV 0 2 V 0 2...

Страница 79: ...s default setting 4 When an external trigger is applied Set the Ext trig Start or Stop setting to Start Start recording according to Start Trigger criteria Stop Stop recording according to Stop Trigge...

Страница 80: ...for trigger When measurement is started the specified pre trigger length is recorded This period is indicated as the Waiting for pre trigger After the specified pre trigger length has been recorded th...

Страница 81: ...The Buzzer alarm sound can be set to on or off When All display is set to On the de tected waveforms for CH1 to 10 and P1 to 4 set to the alarm source will also be displayed Alarm output status ALM R...

Страница 82: ...s above the specified level threshold Alarm output occurs when the input signal falls be low the specified level threshold In Alarm output occurs when the input signal enters the range defined by the...

Страница 83: ...on the CH screen p 68 4 3 Confirming Trigger and Alarm Criteria Set tings List Channel specific set tings start stop and alarm triggers are dis played to the right of the list for the channel selected...

Страница 84: ...to On the desired timer set ting items Setting options 3 Set the year month day hour minute and second for the start or stop time To enter the current time as the start or stop time select the clock m...

Страница 85: ...ne month beginning 1 1 2012 Repeat Recording On Timer On Note When all channels are measured and the recording interval is slower than 200ms YY M D H M S From Start On 12 1 1 9 0 0 Until Stop On 12 1...

Страница 86: ...g length Press START STOP Timer start stop time Trigger criteria match T Stop recording Start recording Recording Recording time Stop recording Start recording Recording Recording time Dead time Stop...

Страница 87: ...Off Repeat On Press START STOP Timer start stop time Trigger criteria match T Stop recording Recording T Recording time Start recording Recording time Stop recording Start recording Recording T T Stop...

Страница 88: ...4 5 About Recording Operation 80...

Страница 89: ...w the scroll bar Measurement Configuration You can change these settings p 41 You can switch between channel settings and event search settings Event Search p 88 Jump Function p 83 Trigger Mark Indica...

Страница 90: ...of a waveform within the overall recorded waveform The width of the currently displayed time span indica tor within the scroll bar depends on the time base time per horizontal division setting even wh...

Страница 91: ...the portion to be displayed immediately Magnifying and Compressing Horizontally Select from the Time DIV setting options Setting options 100ms 200ms 500ms 1s 2s 5s 10s 20s 30s 1min 2min 5min 10min 20...

Страница 92: ...ting Display Options Displaying Gauges 1 2 Select the Waveform Screen Gauge Select Gauge Wave Apply Displaying Cursor Values A B About Cursor Values Cursor Type Example Cursor Value Trace Cursors Disp...

Страница 93: ...r default setting Changing Cursor Type Select from the Type setting options Trace Vert Vertical Horz Horizontal default setting Cursors Selecting which channels have their cursor values dis played Sel...

Страница 94: ...merical calculations Trace cursors or Vertical cursors Specifying a Waveform Time Span 1 The A B cursors and cursor values are displayed 3 Move the A B cursors to specify the time span Select Move 2 A...

Страница 95: ...play waveforms and numerical values To display numerical values and comments To display numerical values only Viewing Input Signals as Numerical Values Select Wave Value 1 2 Apply Select the Waveform...

Страница 96: ...nsert event marks while viewing data on the Waveform Numerical Value screen during measurement Event marks are numbered in the sequence they are inserted 5 3 Inserting Event Marks Search Function 1 2...

Страница 97: ...gger Input p 131 Inserting Event Marks Using External Input Signals Select the System screen Select External Trig In Apply Open the setting options for the item to be set Select Event 1 2 3 Connect th...

Страница 98: ...etting select the number of the event you want to find Select Move 4 The waveform with the specified event number is displayed You can search by incrementing and decrementing the event number PrevEven...

Страница 99: ...partially specify a period by using A B cursors before saving p 86 2 BMP Format This is a standard Windows graphics format These files can be handled by many graphics programs 3 Appendix 2 File Namin...

Страница 100: ...e is needed to start and stop recording We recommend setting measurement criteria so that the number of saved files stays below 1 000 whenever possible Directory Structure for Saved Data HIOKI_LR8431...

Страница 101: ...battery only operation data may fail to be stored properly if battery charge is exhausted while saving In the worst case the CF card could be damaged so pay appropriate attention to the discharge sta...

Страница 102: ...ct button again and pull the card out Eject Button USB flash drive Insertion Removal Inserting a USB flash drive Align the USB flash drive connector with the USB port and insert it all the way in Remo...

Страница 103: ...at a CF card or USB flash drive in the HiLogger Formatting a CF Card USB flash drive Formatting irretrievably erases all data on the CF card USB flash drive Always backup important data from the CF ca...

Страница 104: ...e Insert a CF card USB flash drive Set the Auto Save p 46 Select what to save Measurement Saving proceeds automatically Setting Screen The following can be saved simultaneously Waveform Data Numerical...

Страница 105: ...matically horizontal axis display setting is re stricted when starting measurement but can be freely adjusted for analysis af terwards although 100 200 and 500 ms horizontal axis settings are automati...

Страница 106: ...e item to be set Select from the listed op tions 1 2 Select the System Screen Selecting SAVE Key Operation setting options Setting options default setting Select Save Pressing SAVE displays a dialog S...

Страница 107: ...Select Save and press the ENTER key Select Yes in the confirmation dialog and press the ENTER key Select Waveform and press the ENTER key Select Waveform as the Save Type default setting For the Form...

Страница 108: ...et the Save media CF card USB flash drive Before pressing the SAVE key make settings on the System screen Select from the dialog that appears when you press the SAVE key Display the screen to capture...

Страница 109: ...card USB flash drive Set the Save media CF card USB flash drive Before pressing the SAVE key make settings on the System screen Select from the dialog that appears when you press the SAVE key Display...

Страница 110: ...Select Save Set Apply The Save dialog appears 1 2 3 Select whether to save to the LR8431 20 s memory or to a CF card or USB flash drive Apply 4 Setting configuration files are automatically named CONF...

Страница 111: ...o load a set ting configuration from LR8431 20 s memory or CF card or USB flash drive Apply If you selected CF Card USB flash drive When Loading from CF card or USB flash drive Configuration files sto...

Страница 112: ...loadable data size shows the maximum number of data points that can be loaded This setting is not needed if the data to be loaded will fit in internal memory Select OK to load the data Select Load App...

Страница 113: ...ata p 108 The following operations can be performed from the control dialog box displayed by pressing the ENTER key from the File screen 6 5 Data Management Select the File Screen 1 2 Opens the contro...

Страница 114: ...lder in the displayed control dialog box 2 Select a folder to view Deleting Data The HIOKI_LR8431 and DATA folders are locked to prevent the inadvertent deletion of data If you wish to delete these fo...

Страница 115: ...r characters Renaming Files and Folders Select the File Screen The contents of the CF card are displayed 1 Apply Select the file or folder to rename 2 The character entry dialog appears Enter the new...

Страница 116: ...o execute the copy operation 3 Select Copy Apply What if the file I want to copy is not displayed See Switching removable storage p 105 See Viewing Folder Contents and the Parent Folder p 106 Apply Se...

Страница 117: ...descending order according to a selected sort key Sorting Files Select the File Screen 1 4 3 Select Sort Apply 2 Apply The control dialog box appears 5 6 Apply Select the key on which to sort Select t...

Страница 118: ...manual on the CD See Appendix 9 Using the Application Program p A19 6 6 Transferring Data to a Computer USB Drive Mode Select the USB Drive Mode Select the System Screen Select USB Drive on the USB m...

Страница 119: ...able plug properly and insert it into the receptacle 1 Connect the other end of the cable to a USB port on the computer The computer should recognize the Memory HiLogger as a re movable disk when the...

Страница 120: ...6 6 Transferring Data to a Computer USB Drive Mode 112...

Страница 121: ...aximum value of waveform data Minimum value Minimum value of waveform data Time to maximum value Time elapsed from the start of measurement to the maximum value Time to minimum value Time elapsed from...

Страница 122: ...set Select On 1 2 3 Select any of Calc1 to Calc4 Apply Open the setting options for the item to be set Select the calculation type Calculation types Average P P Maximum Minimum Time To Max Time To Mi...

Страница 123: ...ns for the item to be set Analyze p 81 The results of numerical calcula tions are displayed The displayed calculation results are determined by the selected cal culation number Start and finish measur...

Страница 124: ...Start B A End B End Select Switch to Calc Apply 4 Select Exec Apply The results of calculations are displayed Display A B Cursors 3 4 When you select Switch to Calc the calculation display screen app...

Страница 125: ...value of wave form data Minimum Value Obtains the minimum value of wave form data Time to maximum value Acquires the time s elapsed from the start of recording to maximum value When there are two or...

Страница 126: ...7 2 Numerical Value Calculation Expressions 118...

Страница 127: ...rnal triggering p 131 Insert event marks by external in put p 89 Set the trigger output p 132 External Control Terminals System Related Settings Select CSV file data decimal and separator characters p...

Страница 128: ...ove to a setting item Apply Open the setting options for the item to be set Select from the listed op tions 1 2 Select the System Screen Using the Auto Resume Function Resume After Power Restoration B...

Страница 129: ...Memory HiLogger power switch off when not in use The screen background can be set to black or white The beeper can be set to sound when an error occurs Enabling and Disabling the Backlight Saver Selec...

Страница 130: ...plays the time span from the start of measurement If triggering is enabled the displayed time span is from the last trig ger event Date Displays the date and time of data acqui sition Data Pts Display...

Страница 131: ...cter Comma Select the comma character Select from the Separator setting options Setting options default setting Comma Select the comma character Space Select the space character Tab Select the tab cha...

Страница 132: ...e trigger time and file date information will be incorrect If this occurs reset the clock 8 3 Making System Settings Setting the Date and Time Select Clock Setting Apply The setting dialog appears 1 2...

Страница 133: ...ored in the instrument fs memory as well as lan guage and USB mode settings turn on the instrument while holding down the SAVE key and the START STOP key When the power is switched on the language sel...

Страница 134: ...tem Screen Select USB Memory USB Communication or USB Drive from the pull down menu Apply A confirmation dialog appears 1 2 3 Select Yes Apply USB Memory USB Communication USB Drive USB method of use...

Страница 135: ...ts whether the LED lights If you notice a malfunction press the SAVE and START STOP keys simultaneously to abort the test LCD Tests the screen display color test gradation test character test The scre...

Страница 136: ...8 3 Making System Settings 128...

Страница 137: ...id electrical hazards and damage to the instrument do not apply voltage exceeding the rated maximum to the exter nal control terminals I O terminals Maximum input voltage Input EXT TRIG 0 to 7 V DC Ou...

Страница 138: ...current handling capacity and insu lation Terminal Connections Required items Recommended cables Single strand diameter 0 65 mm AWG22 Multi strand 0 32 mm2 AWG22 Usable cables Single strand diameter 0...

Страница 139: ...or greater GND 2200 pF 470 10 k 5 V EXT TRIG 5 V Signal Input Procedure 1 Connect the external trigger signal source and signal ground to external control terminals 3 EXT TRIG and 1 GND respectively...

Страница 140: ...is output TRIG OUT Trigger event occurs Trigger Output Signals Output signal Open collector output with voltage output active LOW Output voltage range HIGH level 4 0 to 5 0 V LOW level 0 to 0 5 V Pul...

Страница 141: ...even at the start of a measurement that is not a trigger event For the connection method p 130 When a trigger event occurs a pulse wave changing from the HIGH level 4 0 to 5 0 V to the LOW level 0 to...

Страница 142: ...max 200 mW max GND ALARM 10 k 5 V For the connection method p 130 Connect the ALARM No 4 and GND No 1 terminals of the external control terminal block to the signal output line and ground respectively...

Страница 143: ...n 2 Set the Trig Out setting to Start Set the slave instrument 1 Press the SET key to open the System screen 2 Set the External Trg In setting to Trigger 3 Press the SET key to open the Trig Alm scree...

Страница 144: ...9 5 Synchronous Measurements with Multiple Instruments 136...

Страница 145: ...40 C Nominal value 10ppm 25 C Backup battery life Approx five years for clock and settings 25 C 77 F Conditions of guaranteed accuracy After 30 minutes warm up Defined after zero adjustment has been p...

Страница 146: ...he AC Adapter connected Charging time Approx 200 minutes 25 C Note 1 Actual charging time depends on battery condition Note 2 Charging temperature range 5 to 30 C Dimensions Approx 176W 101H 41D mm sa...

Страница 147: ...on program Transfer files between an installed CF card and connected PC CF card Slot One CompactFlash compliant slot CF Card Type I accepted Card type Flash ATA card Card capacities Model 9727 256MB 9...

Страница 148: ...on Temperature measurement input range K 200 C to 1350 C J 200 C to 1200 C E 200 C to 1000 C T 200 C to 400 C N 200 C to 1300 C R 0 C to 1700 C S 0 C to 1700 C B 400 C to 1800 C JIS C 1602 1995 1 Uppe...

Страница 149: ...al selectable for thermocouple measurements Digital filter Off 50 Hz 60 Hz cut off frequency set automatically according to recording interval Cut off frequency Input resistance 1 M 5 broken wire dete...

Страница 150: ...contact normally open open collector or voltage input Maximum input voltage 0 to 10 V DC Maximum channel to channel voltage Non isolated channels use the Memory HiLogger common ground Maximum rated v...

Страница 151: ...a retained in memory can be observed by backward scrolling Basic Specifications Trigger Section Trigger method Digital comparison Trigger timing Start stop start stop Trigger source Analog input CH1 t...

Страница 152: ...h setting Alarm output can be set to be held latched or not Beeper On Off Alarm output characteristic Open drain output with 5 V pull up active low Output refresh At every recording interval Miscellan...

Страница 153: ...ary values without storing data into memory Waveform backup time function Memory is retained backed up while the Memory HiLogger is turned off when a charged 9780 Battery Pack is present or with the Z...

Страница 154: ...Chapter 10 Specifications 146...

Страница 155: ...Before Returning for Repair p 148 section before contacting your dealer or Hioki representative Transporting Use the original packing materials when transporting the instru ment if possible Pack the...

Страница 156: ...ioki representative for service A waveform does not appear when you press the START STOP key Is the Waiting for pre trigger mes sage displayed Is the Waiting for trigger message displayed Is the wavef...

Страница 157: ...ng temperature of 5 to 30 C p 26 Is the HiLogger stored for a long time in a plugged condition The battery pack may have deteriorated and the battery life may be expiring soon p 147 Please purchase a...

Страница 158: ...1 One wire cutter to remove the lithium battery 1 Turn the Memory HiLogger over and remove the five screws affixing the lower case 2 Remove the lower case Then remove the two screws affixing the circ...

Страница 159: ...ating the firmware and if the error persists submit the Memory HiLogger for repair 013 Failure has been detected on power source for USB memory Replace the USB flash drive If the error per sists after...

Страница 160: ...abled with current settings Broken wire detection is disabled turned Off when the recording interval is set to 10 20 or 50 ms or when the digital filter is disabled 236 File partition period was chang...

Страница 161: ...sufficient space to save the file Delete files to increase free space or replace the removal storage 406 Process interrupted not enough battery capacity There is inadequate battery life remaining Char...

Страница 162: ...a during auto save oper ation the save media will be changed to the CF Card 451 The save media changed to the USB memory If the CF card is removed while being used as the save media during auto save o...

Страница 163: ...vable storage 510 File system error same name file An attempt was made to create a file with the same name as an existing file Change the name of the file to be created p 107 511 File system error sys...

Страница 164: ...Communication mode Do not connect anything to USB memory receptacle You can choose USB mode on the System screen Disconnect the USB flash drive from the instru ment To use a USB flash drive set the US...

Страница 165: ...ritten right to left until all eight digits are used for serial numbers Example WAVE9999 MEM WAV10000 MEM 2 When Deleting is enabled with auto save the oldest waveform file is deleted when the CF card...

Страница 166: ...00 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 000000000E 00 2 30000E 04 3 55000E 03 5 50000E 02 1 09000E 01 5 45000E 01 5 45000E 02 5 06000E 01 4 49000E 01 4 11000E 01 5 32000E 01 0 000000000E 00 0 000000000E...

Страница 167: ...analog channels 2 no of pulse channels 4 no of alarm channels 2 You can check an estimate of the remaining time available on the attached CF card USB flash drive on the Setting screen About 90 of the...

Страница 168: ...nt Mode Add Pulse Rev 1 Slope Disp Span Position Zoom Voltage and Revolve x1 Tc x20 0 pos Voltage 50 Tc and Revolve 0 Upper Voltage 0 05 Temperature 100 Count and Revolve 5000 Lower Voltage 0 05 Tc Co...

Страница 169: ...Interval Recording capacity LR8431 20 internal memory 7MB 9727 256MB 9728 512MB 9729 1GB 9830 2GB 10ms 32min 19h 37min 1d 15h 14min 3d 6h 29min 6d 12h 58min 20ms 1h 4min 1d 15h 14min 3d 6h 29min 6d 1...

Страница 170: ...mV OVER 1 V OVER 1 63835 V 0 00000 V 1 63830 V OVER 10 V OVER 16 3835 V 0 0000 V 16 3830 V OVER 20 V OVER 32 7670 V 0 0000 V 32 7660 V OVER 100 V OVER 163 835 V 0 0000 V 163 830 V OVER Thermocouple OV...

Страница 171: ...ing tested and the instrument leaks to the input signal lines AC magnetic fields produced by current in power lines couple into loops in the input signal lines Coupling due to electrostatic capacitanc...

Страница 172: ...ground Because common mode noise is gen erated between the input pins it has a direct effect on the measurements Inverter or Commercial Power Supply Electromagnetic Coupling Signal Voltage Normal Mode...

Страница 173: ...a grounded wire to the GND terminal a pushbutton terminal located on the side of the LR8431 20 Securely ground the chassis of the device being tested Securely connect the chassis of the device being t...

Страница 174: ...nnecting a bypass ground wire to the GND terminal on the instrument Noise current i1 and i2 can be sup pressed by suppressing the common mode voltage with a low resistance ground wire or a bypass betw...

Страница 175: ...round connect it to the chassis GND on the LR8431 20 Note that doing so has no effect if the LR8431 20 is not itself con nected to ground through the three prong power cord etc Shielded twisted pair w...

Страница 176: ...res highly accurate measurement with little scatter See For recording interval and cutoff frequency p 141 For example assuming that the digital filter is set to 60Hz noise reduction in the supply freq...

Страница 177: ...transfer to the Memory HiLogger Search event marks and mea surement data using various criteria such as maxima and fluctuation values Acquire batch measurement data in real time from up to five HiLog...

Страница 178: ...ivirus software be sure to end the soft ware before you start the installation The installation may not be performed properly if antivirus software is running 1 Start up Windows Exit all running appli...

Страница 179: ...nation The end user license agreement is displayed Read the EULA then select Agree and click Next The installation destination folder can be changed on this screen If you are not changing the instal l...

Страница 180: ...ing the Application Program A22 4 Click Next to start install ing Installation starts Progress is displayed during in stallation To interrupt installation in progress click Cancel Installation finishe...

Страница 181: ...es HIOKI LoggerUtility Driver SetupDriver32 msi If you are using the WindowsVista 7 8 64bit version Run SetupDriver64 msi in the CD If Logger Utility is already installed run the CD from the following...

Страница 182: ...am A24 4 Click Next Start installing Installing For WindowsXP During the installation a mes sage saying that the software has not passed Windows Logo testing will appear a few times click Continue Any...

Страница 183: ...k Con tinue Sometimes another dialog box requesting your permission to install the software may ap pear When it does check Al ways trust software from HIOKI E E CORPORA TION and click Install to con t...

Страница 184: ...he receptacle 1 Connect the AC adapter to the instrument and turn on the power 2 Connecting with the HiLogger the first time For Windows2000 Vista 7 8 The HiLogger will be recognized automat ically an...

Страница 185: ...th the USB cable After the Found New Hardware window appears the Found New Hardware Wizard dialog box will appear 2 Check No not this time and click Next 3 Check Install the software automatically Rec...

Страница 186: ...saying that the software has not passed Windows Logo testing will appear a few times click Continue Anyway to con tinue installing 5 When installation is com plete the next dialog will appear Click Fi...

Страница 187: ...ity Click Click Logger Utility starts with the settings in the same state as when the software was last ended When you want to initialize the settings click Initialize All Settings from the File menu...

Страница 188: ...age from being applied to the instru ment for example by using an ungrounded thermocouple Precautions in 2 3 Connecting Mea surement Cables to the Memory HiLog ger p 31 What is the maximum measur ing...

Страница 189: ...battery power fails while the instrument is being powered by the battery will recording re sume when AC power is re stored When battery power fails while the instrument is being powered by the battery...

Страница 190: ...t Channel Settings dis play To acquire data without dis playing it select as the waveform display color 3 4 Setting Configu ration 2 Input Chan nel Settings p 49 Selecting Waveform Display Color p 56...

Страница 191: ...rted 2 5 Zero Adjust ment p 35 Even though a signal is only in put on CH1 why do similar waveforms appear on unused channels An open circuit input terminal can be affected by signals on other chan nel...

Страница 192: ...93 Can after market USB flash drives be used They can be used although for real time saving we recommend using a Hioki specified CF card option for data protection Operation can only be guaranteed for...

Страница 193: ...Time Automatic Save p 47 What is the file limit when auto saving to removable storage Depending on file size and CF card capacity more than 1 000 files can be saved in one folder although only 1 000 c...

Страница 194: ...easurement Specifying a Wave form Time Span p 86 Automatic Saving p 97 After starting measurement with real time auto saving can I still acquire data if I neglected to insert removable storage media u...

Страница 195: ...the Logger Utility set the Time Axis Format to Absolute Time Selecting the Hori zontal Time Axis Display p 122 7 1 1 Saving Mea surement Data as Text Logger Utility instruction manual What are the fi...

Страница 196: ...conversion in the displayed dialog and set CSV comma separated as the file type 3 Make other settings as neces sary and click the Save button Logger Utility instruc tion manual The Logger Utility cann...

Страница 197: ...Appendix The following diagram illustrates an example connection to the instrument s pulse input circuit Appendix 11 Pulse Input Circuit Diagram ALARM pin circuit architecture and example relay conne...

Страница 198: ...Appendix 11 Pulse Input Circuit Diagram A40...

Страница 199: ...span 116 CF card 93 127 Copy 108 Delete 106 Folder 106 Format 95 Load 103 Load Set 103 Rename 107 Sort 109 Clock Setting 124 Comment 60 Cont 44 Cursor Type 85 Cursor values 84 Cursors Move 85 D Decima...

Страница 200: ...R Reference time 47 Repair 147 Before Returning for Repair 148 Repeat 45 Revolution Measurement 54 RJC 51 ROM RAM 127 S Save Auto Save 96 Calc Results 101 File Type 91 Numerical Calculation Results 1...

Страница 201: ...iver A 19 A 23 USB flash driver Copy 108 USB mode 126 V Values 21 Vertical cursors 84 Voltage Measurement 50 W Waveform 99 Waveform Calc 97 Waveform Display Color 56 Waveform screen 81 Waveform realti...

Страница 202: ...Index Index 4...

Страница 203: ......

Страница 204: ...EN LR8431 20 MEMORY HiLOGGER Instruction Manual Aug 2015 Revised edition 3 LR8431B980 03 15 08H...

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