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BK Precision 2190D User Manual Download Page 10

ix 

CE Declaration of Conformity

 

 
This instrument meets the requirements of 2006/95/EC Low Voltage 
Directive and 2004/108/EC Electromagnetic Compatibility Directive with 
the following standards. 
 

Low Voltage Directive

 

-

 

EN61010-1: 2001 

-

 

EN61010-031: 2002+A1: 2008 

 
EMC Directive

 

-

 

EN 61326-1:2006 

-

 

EN 61000-3-2: 2006+A2: 2009 

-

 

EN 61000-3-3: 2008 

 

 

Summary of Contents for 2190D

Page 1: ...Model 2190D 100 MHz Digital Storage Oscilloscope USER MANUAL...

Page 2: ...ns or with warnings elsewhere in this manual violates the safety standards of design manufacture and intended use of the instrument B K Precision assumes no liability for a customer s failure to compl...

Page 3: ...eant to be connected to the primary power entering a building or other outdoor wiring Do not use this instrument in an electrical environment with a higher category rating than what is specified in th...

Page 4: ...ground connection Without the safety ground connection all accessible conductive parts including control knobs may provide an electric shock Failure to use a properly grounded approved outlet and the...

Page 5: ...cifications In direct sunlight This instrument is intended to be used in an indoor pollution degree 2 environment The operating temperature range is 0 C to 40 C and the operating humidity is 85 relati...

Page 6: ...ent replacement and internal adjustments must be made by qualified service trained maintenance personnel who are aware of the hazards involved when the instrument s covers and shields are removed Unde...

Page 7: ...sure that safety and performance features are maintained Cooling fans This instrument contains one or more cooling fans For continued safe operation of the instrument the air inlet and exhaust opening...

Page 8: ...instrument Do not obstruct cooling air flow to the instrument Do not place a hot soldering iron on the instrument Do not pull the instrument with the power cord connected probe or connected test lead...

Page 9: ...C of the European Parliament and the Council of the European Union on waste electrical and electronic equipment WEEE and in jurisdictions adopting that Directive is marked as being put on the market a...

Page 10: ...ements of 2006 95 EC Low Voltage Directive and 2004 108 EC Electromagnetic Compatibility Directive with the following standards Low Voltage Directive EN61010 1 2001 EN61010 031 2002 A1 2008 EMC Direct...

Page 11: ...instrument is ON Off Power This is the Out position of the power switch when instrument is OFF Off Supply This is the AC mains connect disconnect switch on top of the instrument CAUTION indicates a h...

Page 12: ...on 4 1 5 Display Information 4 User Interface Description 5 2 Getting Started 6 2 1 Input Power Requirements 6 Input Power 6 2 2 Preliminary Check 6 Verify AC Input Voltage 7 Connect Power 7 Self Test...

Page 13: ...dow Zone 42 3 11 Trigger System 43 Signal Source 44 Trigger Type 45 Coupling 63 Position 63 Slope and Level 63 Trigger Holdoff 64 3 12 Signal Acquisition System 65 3 13 Display System 70 X Y Format 74...

Page 14: ...g a Single Shot Signal 128 4 4 Analyzing Signal Details 129 4 5 Triggering on a Video Signal 130 4 6 Application of X Y Function 131 4 7 Analyzing a Differential Communication Signal 133 5 Remote Cont...

Page 15: ...depth 7 Color TFT LCD display Trigger types Edge Pulse Video Slope and Alternative Unique Digital Filter function and Waveform recorder function Auto measure 32 parameters Voltage and Time Standard in...

Page 16: ...on 1 3 Front Panel It is important for you to familiarize yourself with the DSO s front panel before operating the instrument Below is a brief introduction of the front panel function operation Figure...

Page 17: ...ontrols Time Base Trigger Controls Auto Function Button Menu and Measurement Buttons Universal Knob Vertical Controls 1 4 Back Panel The following images show back and side panel connection locations...

Page 18: ...n Security Lock Receptacle Pass Fail Output RS 232 Connector Rear USB Type B Device Connector Power Input Connector AC Power Switch 1 5 Display Information Figure 1 3 Display Screen 4 5 6 13 11 9 8 10...

Page 19: ...Volts Division BW Limit Indicator Timebase Setting Horizontal Trigger Position Display Frequency Counter Trigger Source Type and Level Indicator Rear USB Indicator Print Key Save Function Indicator Wa...

Page 20: ...the OFF position and verify that the AC power cord including the extension line is compatible with the rated voltage current and that there is sufficient circuit capacity for the power supply Once ver...

Page 21: ...nt will have a boot screen while loading after which the main screen will be displayed Self Test The instrument has 3 self test options to test the screen keys and the LED back lights of the function...

Page 22: ...ow to do a quick check of the oscilloscope s functionality 1 Power on the oscilloscope Press DEFAULT SETUP to show the result of the self check The probe default attenuation is 1X Figure 2 2 Scope Lay...

Page 23: ...show the 1 kHz frequency and about 3V peak peak square wave in couple seconds Figure 2 4 3 Vpp Square Wave 4 Press CH1 two times to turn off channel 1 Press CH2 to change screen into channel 2 reset t...

Page 24: ...nal to ground before you take any measurements SHOCK HAZARD To avoid electric shock when using the probe keep fingers behind the guard on the probe body To avoid electric shock while using the probe d...

Page 25: ...factor of your probe NOTE The default setting for the Probe option is 1X Be sure that the attenuation switch on the probe matches the Probe option in the oscilloscope Switch settings are 1X and 10X NO...

Page 26: ...ook tip ensure a proper connection by firmly inserting the tip onto the probe 2 Attach the probe tip to the PROBE COMP 3V connector and the reference lead to the PROBE COMP Ground connector Display th...

Page 27: ...ng oscilloscope functions Menu and control button Connector Auto Setup Default Setup Universal knob Vertical System Channel Function Menu Math Functions Using REF Horizontal System Trigger System Acqu...

Page 28: ...u for that channel You can use the channel menu to set up a channel When the channel is on the channel button is lit MATH Press to display the Math menu You can use the MATH menu to use the oscillosco...

Page 29: ...Save Recall menu to save and recall up to 20 oscilloscope setups and 10 waveforms to from internal memory or a USB memory device limited by memory capacity of the USB flash drive You can also use it t...

Page 30: ...sition Note If waveform acquisition is stopped using the RUN STOP or SINGLE button the TIME DIV control expands or compresses the waveform SINGLE Acquire a single waveform and then stops waveform acqu...

Page 31: ...the input signal Press the AUTO front panel button and then press the menu option button adjacent to the desired waveform as follows Figure 3 3 Auto Setup Table 3 1 Autoset Menu Option Description Mu...

Page 32: ...st numbered channel displayed when Auto set was invoked No signals found and no channels displayed oscilloscope displays and uses channel 1 Table 3 2 Auto Set Function Menu Items Function Setting Acqu...

Page 33: ...ase see Appendix C Disabling Auto Function for details 3 4 Default Setup The oscilloscope is set up for normal operation when it is shipped from the factory This is the default setup To recall this se...

Page 34: ...t adjusting the X and Y masks when using the pass fail function etc You can also turn the Universal knob to adjust the storage position of setups waveforms pictures when saving recalling and to select...

Page 35: ...channel waveforms up or down on the screen This button s resolution varies as per the vertical scale 2 When you adjust the vertical position of channels waveforms the vertical position information wil...

Page 36: ...iv scale in small steps between the coarse settings Again increase in the clockwise direction and decrease in the counterclockwise direction 3 7 Channel Function Menu Table 3 3 Channel Function Menu O...

Page 37: ...on Menu 2 Option Setting Instruction Invert on off Turn on invert function Turn off invert function Filter Press this button to enter the Digital Filter menu Next Page Page 2 3 Press this button to en...

Page 38: ...enu GND Coupling Use GND coupling to display a zero volt waveform Internally the channel input is connected to a zero volt reference level Fine Resolution The vertical scale readout displays the actua...

Page 39: ...ignal is blocked allowing you to use greater sensitivity to display the AC component of the signal Setting up Channels Each channel has its own separate Menu The items are set up separately according...

Page 40: ...le mode Both DC and AC components of the input signal will be captured Figure 3 7 DC Coupling Press CH1 Coupling GND Set to GROUND mode This disconnects the input signal Figure 3 8 Ground Coupling 2 B...

Page 41: ...cal sensitivity range of 2 mV div 10 V div Take CH1 for example Press CH1 Volts Div Coarse It is the default setting of Volts Div and makes the vertical scaling in a 1 2 5 step sequence from 2 mV div...

Page 42: ...need to specify it in the channel operation Menu If the attenuation coefficient is 10 1 the input coefficient should be set to 10X so that the Volts div information and measurement testing is correct...

Page 43: ...Invert Waveform Screen 6 Using the Digital Filter Press CH1 Next Page Page 1 3 Filter display the digital filter menu Select Filter Type then select Upper Limit or Lower Limit and turn the Universal...

Page 44: ...30 Figure 3 13 Digital Filter Menu Press CH1 Next Page Page 1 3 Filter On Turn on the Digital Filter function Figure 3 14 Digital Filter Adjustment Screen...

Page 45: ...tween signal source CH1 and CH2 Source A CH1 CH2 Select CH1 or CH2 as Source A Source B CH1 CH2 Select CH1 or CH2 as Source B Invert on off Invert the MATH waveform Turn off MATH Invert function Next...

Page 46: ...A waveform A B Source A multiplied by Source B A B Source A divided by Source B FFT Fast Fourier Transform Figure 3 15 Math Waveform FFT Spectrum Analyzer The FFT process mathematically converts a ti...

Page 47: ...Description Source CH1 CH2 Select this channel as the FFT source Window Hanning Hamming Rectangular Blackman Select FFT window types FFT ZOOM 1X 2X 5X 10X Changes the horizontal magnification of the F...

Page 48: ...ons of the screen The oscilloscope calculates the FFT spectrum using the center 1024 points of the time domain waveform 5 Turn the Volts div knob to ensure that the entire waveform remains on the scre...

Page 49: ...that the YT waveform repeats forever With an integral number of cycles the YT waveform starts and ends at the me amplitude and there are no discontinuities in the signal shape A non integral number of...

Page 50: ...e includes an FFT Zoom option to magnify horizontally press this option button to select 1X 2X 5X or 10X Moreover you also can turn the Universal knob to magnify FFT waveform horizontally in a 1 2 5 s...

Page 51: ...display 8 Press the CURSOR button to enter Cursor menu 9 Press the Cursor Mode button to select Manual 10 Press the Type option button to select Voltage 11 Press the Source option button to select MA...

Page 52: ...cy NOTE The FFT of a waveform that has a DC component or offset can cause incorrect FFT waveform magnitude values To minimize the DC component choose AC Coupling on the source waveform To display FFT...

Page 53: ...Menu Option Setting Description Source CH1 CH2 CH1 off CH2 off Choose the waveform display to store REFA REFB Choose the reference location to store or recall a waveform Save Stores source waveform t...

Page 54: ...rtical position and scale 4 Press the third option button to select REFA or REFB as storage position 5 Press the Save option button 6 Press the bottom option button to select REFA On or REFB On to rec...

Page 55: ...display main timebase waveform on the screen Horizontal Control Knob You can use the horizontal controls to change the horizontal scale and position of waveforms The horizontal position readout shows...

Page 56: ...00 ms div or slower and the trigger mode is set to Auto the oscilloscope enters the scan acquisition mode In this mode the waveform display updates from left to right There is no trigger or horizontal...

Page 57: ...aveform display on the below half screen at the same time 3 11 Trigger System The trigger determines when the oscilloscope starts to acquire data and display a waveform When a trigger is set up proper...

Page 58: ...tween the minimum and maximum voltage levels automatically This is useful when you connect a signal to the EXT TRIG BNC and set the trigger source to Ext or Ext 5 FORCE Button Use the FORCE button to...

Page 59: ...s displayed EXT Does not display the trigger signal the Ext option uses the signal connected to the EXT TRIG front panel BNC and allows a trigger level range of 1 2V to 1 2V EXT 5 Same as Ext option b...

Page 60: ...ant the oscilloscope to acquire a single waveform press the SINGLE button Set up Enter the Trigger Setup Menu See Table 3 16 Table 3 16 Trigger Setup Function Menu Option Setting Explain Coupling DC P...

Page 61: ...pe option button to select Edge 2 Set up Source According to the input signal press the Source option button to select CH1 CH2 EXT EXT 5 or AC Line 3 Set up Slope Press the Slope option button to sele...

Page 62: ...and then stops 5 Set up Trigger coupling Press the Set Up button to enter the Trigger Setup Menu Press the Coupling option button to select DC AC HF Reject or LF Reject Pulse Trigger Use Pulse Width t...

Page 63: ...h setting Negative pulse width larger than pulse width setting Negative pulse width equal to pulse width setting Select how to compare the trigger pulse relative to the value selected in the Set Pulse...

Page 64: ...gering Normal mode is best for most Pulse Width trigger applications Set up Enter the Trigger setup menu Next Page Page 2 2 Press this button to return to the first page Figure 3 24 Pulse Trigger Menu...

Page 65: ...elect the input source to be the trigger signal EXT EXT 5 Ext and Ext 5 use the signal applied to the EXT TRIG connector as the source Polarity Normal Normal triggers on the negative edge of the sync...

Page 66: ...allows an untriggered scanning waveform at 100 ms div or slower time base settings Normal Use this mode when you want to see only valid triggered waveforms when you use this mode the oscilloscope does...

Page 67: ...t up Polarity Press the Polarity option button to select or 3 Set up Synchronization Press the Sync option button to select All Lines Line Num Odd Field and Even Field If you select Line Num you can t...

Page 68: ...enu 1 Option Setting Instruction Type Slope Trigger on positive slope of negative slope according to setup time of the oscilloscope Source CH1 CH2 EXT EXT 5 Select trigger source When Select trigger c...

Page 69: ...according to setup time of the oscilloscope Vertical Select the trigger level that can be adjusted by LEVEL knob You can adjust LEVEL A LEVEL B or adjust them at the same time Mode Auto Use this mode...

Page 70: ...s the SINGLE button Set up Enter Trigger setup menu See Table 3 16 Next Page Page 2 2 Return to the first page of slope trigger Figure 3 27 Slope Trigger Menu 2 Operating Instructions Follow the next...

Page 71: ...EVEL knob Alternate Trigger The trigger signal comes from two vertical channels when you use alternate trigger In this mode you can observe two irrelative signals at the same time You can select diffe...

Page 72: ...o the second page of the TRIGGER Menu Table 3 24 Alternate Trigger Edge Mode Function Menu 2 Option Setting Description Slope Triggering on rising edge Triggering on falling edge Triggering on rising...

Page 73: ...menu Table 3 26 Alternate Trigger Pulse Mode Function Menu 2 Option Setting Description When Select how to compare the trigger pulse relative to the value selected in the Set Pulse Width option Set W...

Page 74: ...to Video trigger Next Page Page 1 2 Enter the second page of Alternative trigger menu Table 3 28 Alternate Trigger Video Mode Function Menu 2 Option Setting Description Polarity Normal Inverted Normal...

Page 75: ...nformation for CH1 signal Set trigger type information for CH2 signal Mode Slope Set trigger type of the vertical channel signal to slope trigger Next Page Page 1 2 Enter the second page of the altern...

Page 76: ...utton to enter trigger menu 4 Press the Type option button to select Alternative 5 Press the Channels option button to select CH1 CH2 6 Press the Source option button to select CH1 7 Press the CH1 but...

Page 77: ...t the horizontal POSITION knob control to view waveform data before the trigger after the trigger or some of each When you change the horizontal position of a waveform you are changing the time betwee...

Page 78: ...c pulses If the video waveform has positive going horizontal sync pulses use the Inverted Polarity selection Trigger Holdoff You can use the Trigger Holdoff function to produce a stable display of com...

Page 79: ...n to enter the Trigger setup menu 4 Press the Holdoff option button and turn the Universal knob to change the holdoff time until the waveform triggers steadily NOTE Use trigger holdoff to help stabili...

Page 80: ...into digital form and displays a waveform The acquisition mode defines how the signal is digitized and the time base setting affects the time span and level of detail in the acquisition Sampling In th...

Page 81: ...alues of a signal Finds highest and lowest record points over many acquisitions Advantage In this way the oscilloscope can acquire and display narrow pulses which may have otherwise been missed in Sam...

Page 82: ...Time Sampling The scope has a maximum Real time sampling rate of 1GSa s RUN STOP Button Press the RUN STOP button when you want the oscilloscope to acquire waveforms continuously Press the button agai...

Page 83: ...digitized To adjust the time base to a horizontal scale that suits your purpose use the Time div knob Time Domain Aliasing Aliasing occurs when the oscilloscope does not sample the signal fast enough...

Page 84: ...ning the Time div front panel knob The sampling rate is shown under the Sa Rate display 3 13 Display System The display function can be setup by pressing the DISPLAY button Table 3 32 Display System M...

Page 85: ...e in relation to time horizontal scale XY format displays a dot each time a sample is acquired on channel 1 and channel 2 Screen Normal Inverted Set to normal mode Set to invert color display mode Gri...

Page 86: ...isplay System Menu 3 Option Setting Description Skin Classical Modern Tradition Succinct Set up screen style Next Page Page 3 3 Press this button to return to the first page Operating Instructions Set...

Page 87: ...nsity Set up Brightness Press the Brightness option button and turn the Universal knob to adjust grid brightness Set up display format 1 Press the Next Page option button to enter second display menu...

Page 88: ...the untriggered Sample acquisition mode and displays data as dots NOTE The oscilloscope can capture a waveform in normal YT mode at any sampling rate You can view the same waveform in XY mode To do so...

Page 89: ...sions involved and multiplying by the scale factor For example if you counted five major vertical graticule divisions between the minimum and maximum values of a waveform and knew you had a scale fact...

Page 90: ...ear as vertical lines on the display and measure the horizontal parameters Cursor Moving Use the universal knob to move cursor 1 and cursor 2 They could be moved when the corresponding cursor option a...

Page 91: ...e measurement type is set to Time the values are as followed The time increment between Cursor A and Cursor B T The reciprocal of time increment between Cursor A and Cursor B 1 T The value of Cur A Cu...

Page 92: ...the waveform by turning the Universal knob The oscilloscope displays the values on the top left of the screen To do track cursor measurement follow these steps 1 Press CURSOR button to enter the curs...

Page 93: ...T Horizontal space between Cursor A and Cursor B Time value between two cursors 1 T The reciprocal of horizontal space between cursor A and cursor B V Vertical space between Cursor A and Cursor B Vol...

Page 94: ...measurements the oscilloscope does all the calculation for you The measurements use all the recorded points in the memory which are more accurate than measurements made using the graticule lines or cu...

Page 95: ...r the All Measurement menu Return Press this option button to return to the home page of the auto measure menu Figure 3 41 Auto Measure Menu Table 3 38 Auto Voltage Measurement Menu Option Setting Des...

Page 96: ...Menu Option Setting Description Source CH1 CH2 Select input signal source for Time measure Type Period Freq Width Width Rise Time Fall Time BWidth Duty Duty Press the Type button or turn the Universal...

Page 97: ...o measurement menu Table 3 41 All Measurement Menu Option Setting Description Source CH1 CH2 Select input signal channel Voltage On Off Turn on the all measurement function to measure voltage paramete...

Page 98: ...waveform Vbase Measures the lowest voltage over the entire waveform Vamp Voltage between Vhig and Vlow of a waveform Vavg The arithmetic mean over the first cycle in the waveform Mean The arithmetic m...

Page 99: ...ty Measures the first cycle waveform Positive Duty Cycle is the ratio between positive pulse width and period Duty Measures the first cycle waveform Negative Duty Cycle is the ratio between negative p...

Page 100: ...ource Y If you want to measure voltage parameters please follow the steps below 1 Press the MEASURE button to enter the Auto measurement menu 2 Press the first option button to enter the second measur...

Page 101: ...reen can display five parameters at one time If you want to measure time parameters using all measure function please follow these steps 1 Press the MEASURE button to enter the Auto Measure menu 2 Pre...

Page 102: ...the front panel of the oscilloscope where you can save setup data waveform data waveform display image and CSV file to a USB flash drive Setup data and waveform data that are saved to a USB flash dri...

Page 103: ...89 Figure 3 44 Save All Menu Directory While file shows option buttons for New File Delete File and Load Figure 3 45 Save All Menu Files...

Page 104: ...les have Rename and Return option buttons on Page 2 2 Use these buttons to give an existing folder of file a new name or to exit the SAVE ALL screen respectively Creating Folders and Files Create new...

Page 105: ...e Confirm option button is pressed a Data Store Success messages briefly shown and the new folder or file is shown on your USB flash drive Save Recall Setup Save Setups to Device The complete setup is...

Page 106: ...l memory follow the steps below For example Save setup that set waveform display type to Dots to internal memory 1 Press the SAVE RECALL button to enter the SAVE RECALL menu 2 Press the Type option bu...

Page 107: ...e to option button to select Device 4 Press the Setup option button or turn the Universal knob to select No 1 5 Press the Recall option button Save Setup to USB flash drive Table 3 44 Save Setup to US...

Page 108: ...e a file 9 Press the next page option button and press the Rename option button to modify the name of the file or the folder 10 Turn the Universal knob to select the folder and press the Confirm optio...

Page 109: ...he Factory setup Depth Recover Clears all memory including setups waveforms and masks Update cfg Update the config file Load Recall the Factory setup Figure 3 49 Set Factory Default Settings Save Reca...

Page 110: ...option Figure 3 50 Save Waveform Screen To Internal Storage To save waveforms in internal memory follow the steps below 1 Input a sine signal to channel 1 and press the Auto button 2 Press the SAVE R...

Page 111: ...n button to select Device 4 Press the Waveform option button or turn the Universal knob to select No 1 5 Press the Recall option button Save Waveforms to USB Flash Drive Table 3 47 Save Waveform to US...

Page 112: ...yed on the screen Now the waveform data have been saved to the USB flash drive Recall waveforms from USB flash drive follow next steps 1 Press the SAVE RECALL button 2 Press the Type button to select...

Page 113: ...RECALL button to enter SAVE RECALL menu 3 Press the Type option button to select Picture 4 Insert a USB flash drive to the USB host port of the oscilloscope and wait until the oscilloscope has initia...

Page 114: ...rive Save Recall CSV Table 3 49 CSV Storage Menu Option Setting Description Type CSV Menu for the Storage CSV file to USB flash drive Data Depth Displayed Maximum Set to store displayed waveform data...

Page 115: ...it that the oscilloscope has initialized USB flash drive about five seconds 4 Press the Data Depth option button to select Displayed or Maximum 5 Press the Para Save option button to select On or Off...

Page 116: ...imum Number of points saved to CSV file data depth set to maximum Time Base Single Channel Dual Channel 2 5 ns 50 ns 40 k 20 k 100 ns 50 ms 20 k 20 k 3 16 Utility System Press the UTILITY button from...

Page 117: ...enu 2 Option Setting Description Do Self Cal Auto self emendation Do Self Test Screen Test Keyboard Test LED Test Run the screen test program Run the keyboard test program Run the LED test program Bac...

Page 118: ...on Setting Description Update firmware Update the firmware of the oscilloscope using a USB flash Drive Pass Fail Press this button to enter the Pass Fail menu Record Press this button to enter the wav...

Page 119: ...53 Utility System Menu 4 Option Setting Description Screen saver 1min 2min 5min 10min 15min 30min 1hour 2hour 5hour Off Set the time of Screen saver Recorder Enter recorder function scan mode only Ne...

Page 120: ...reen 4 System Status Press the System Status option button of the Utility Menu to view the oscilloscope s hardware and software configuration Figure 3 58 System Status Screen Table 3 54 System Status...

Page 121: ...guage Figure 3 59 Language Selection Screen Self Calibration Self Calibration procedure can optimize the signal path for optimal measurement results You can run this procedure at any time If the opera...

Page 122: ...55 Self Test Menu 1 Option Description Screen Test Run Screen Test Program Keyboard Test Run Keyboard Test Program LED Test Run LED Test Program Screen Test Select Screen Test to enter the screen tes...

Page 123: ...he knob presses for scale knobs Test all keys and knobs to verify that all the backlit buttons illuminate correctly NOTE When you first enter the test the screen will display all on screen shapes in w...

Page 124: ...pt below and Press SINGLE Key to continue Press RUN STOP Key to exit Each time SINGLE key is pressed a key shape on the screen will turn green indicating that the corresponding key or indicator should...

Page 125: ...Press the UTILITY button to enter the Utility menu 4 Press the Next Page option button to enter the third page of the Utility menu 5 Press the Update Firmware option button Read the on screen notes c...

Page 126: ...or fail signals by monitoring the input signal and checking if it is within the predefined mask or not Table 3 56 Pass Fail Menu 1 Option Setting Description Enable On Off Turn on Pass Fail function...

Page 127: ...en pass condition is detected Output signal when fail condition is detected Stop On Output On Off When On stops test when output occurs When Off continues test when output occurs Mask Setting Enter th...

Page 128: ...horizontal clearance to the waveform 0 04div 4 00div Y Mask ydiv Turn the Universal knob to set the range of vertical clearance to the waveform 0 04div 4 00div Create Mask Create a test mask according...

Page 129: ...Table 3 59 Mask Settings Menu 2 Option Setting Description Save Store created mask setting Load Recall stored mask setting Return Return to the main menu of mask setting Last Page Page 2 2 Return to t...

Page 130: ...button to select input signal channel 7 Press the Next Page Page 1 2 option button to enter the second page of the Pass Fail menu 8 Press the Mask Setting option button to enter the first page of Mas...

Page 131: ...specially useful when capturing abnormal signals over a long period of time without having to watch the signal Table 3 60 Waveform Record Function Menu Option Setting Description Mode Record Play Back...

Page 132: ...option button to select Record 5 Press the Source option button to select the input signal channel 6 Select Interval option and turn the Universal knob to adjust time interval between record frames 7...

Page 133: ...en frames Next Page Page 1 2 Enter the second page of Play Back menu Figure 3 69 Playback Menu Screen 1 Recode Mode Table 3 62 Waveform Playback Function Menu 2 Option Setting Description Start Frame...

Page 134: ...select time interval between play back frames 5 Press the Next Page Page 1 2 to enter the second page of Play Back function menu 6 Select the Start Frame option turn the Universal knob to adjust the s...

Page 135: ...recorded data can be played back on screen and be retrieved from storage memory Maximum recordable data depends on the time base in scan mode Recorded data can also be stored into external USB flash d...

Page 136: ...ing to internal memory Stores recording to external USB flash drive Return Return to the Recorder Menu Table 3 65 Waveform Recorder Replay Mode Menu Option Description Continue Pause Continue Pause wh...

Page 137: ...yed in lower half screen Record Mode Roll Single Recorder saves the channel waveform persistently the latter waveform will cover the former Recorder will stop waveform saving when its memory is full R...

Page 138: ...fter completely recording waveform press the Replay button to view the recorded waveform Help Menu The oscilloscope has a help menu to assist users with operating the oscilloscope Press the HELP butto...

Page 139: ...urements Observe an unknown signal in a circuit display the signal quickly and measure the frequency and peak to peak amplitude Using Auto set To quickly display a signal follow these steps 1 Press th...

Page 140: ...ton to select Freq The corresponding icon and measure value will display on the third option area Measure signal frequency 1 Press the MEASURE button to display Auto Measure Menu 2 Press the top secon...

Page 141: ...requency on the top left of the screen Figure 4 1 Taking Cursor Measurements Time Measuring Ring Amplitude To measure the amplitude follow these steps 1 Press the CURSORS button to see the Cursor Menu...

Page 142: ...single event you need to gather some knowledge of the signal in order to correctly set up the trigger level and slope If you are not sure about the instance of the signal you can observe it through au...

Page 143: ...displayed on the oscilloscope and need to know more about it You suspect that the signal contains much more detail than you can now see in the display Looking at a Noisy Signal The signal appears nois...

Page 144: ...ollow these steps 1 Press the TRIGGER MENU button to see trigger menu 2 Press the top option button and select Video 3 Press the source option button and select CH1 4 Press the Sync option button and...

Page 145: ...o 10X 3 Set the switch of the probe to 10X 4 Connect the channel 1 probe to the input of the network and connect the channel 2 probe to the output 5 Press the AUTO button 6 Turn the Volts div knobs to...

Page 146: ...ees Sin A B or C D where phase shift in degrees between the two signals from the formula above you could get arcsine A B or arcsine C D If the main axis of the ellipse is at II and IV quadrant must be...

Page 147: ...option attenuation to 10X 2 Press the CH 2 button and set the Probe option attenuation to 10X 3 Set the switches to 10X on the probes 4 Press the AUTO button 2 Press the MATH button to see the Math M...

Page 148: ...panel USB device port is used to connect to a computer to allow for remote communication with the software The EasyScopeX software is free and can be downloaded at www bkprecision com Users can also...

Page 149: ...pecial modes some functions could not be running No signal The system would display this information when the signal could not match the auto set condition while using the auto set function Adjust at...

Page 150: ...restart the oscilloscope 2 If there is no signal wave in the screen after probing DUT for a signal please do as follows 1 Check whether the probe is connecting with the signal cable or not 2 Check wh...

Page 151: ...s over the waveform range If yes please move the trigger level to the middle position or set the trigger mode to the Auto position You can also press the Auto button to set it up automatically 6 After...

Page 152: ...oscilloscope must be within the factory calibration interval All specifications are guaranteed unless noted typical 2190D Inputs Input Coupling AC DC GND Input Impedance 1 M 2 16 pF 3 pF Maximum Inpu...

Page 153: ...e Hanning Hamming Blackman Rectangular Sampling points 1024 Bandwidth limited 20 MHz 40 Note Bandwidth limited below 20 MHz when using probe in x1 Horizontal System Real Time Sampling Rate 1 GSa s hal...

Page 154: ...the signal of rising and falling time 20 ns Internal 0 2 div V div within 4 divisions from center of screen EXT 6 of setting 40 mV EXT 5 6 of setting 200 mV Trigger Sensitivity For fixed gain ranges 1...

Page 155: ...ed waveforms to from internal memory or to external USB flash drive Measurement System Measure 32 Types Vpp Vmax Vmin Vamp Vtop Vbase Vavg Mean Crms Vrms ROVShoot FOVShoot RPREShoot FPREShoot Rise tim...

Page 156: ...ating 20 to 60 Cooling Cooling Fan Humidity Operating 85 RH 40 24 hours Not operating 85 RH 65 24 hours Altitude Operating 3000m Not operating 15 266m AC Input 100 240 VAC CAT II Auto selection Freque...

Page 157: ...probes connectors and accessories that you are using with the device Customers not on an open account must include payment in the form of a money order or credit card For the most current repair char...

Page 158: ...strument via our website www bkprecision com Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs The warranty i...

Page 159: ...22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 2014 B K Precision Corp v080114...

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