Keithley DMM7510 Calibration Manual Download

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Calibration Manual

DMM7510-905-01 Rev. A / March 2015

*PDMM751090501A*

DMM7510-905-01A

www.keithley.com

Model DMM7510

7½ Digit Graphical Sampling Multimeter

A Greater Measure of Confidence

Summary of Contents for DMM7510

Page 1: ...Calibration Manual DMM7510 905 01 Rev A March 2015 PDMM751090501A DMM7510 905 01A www keithley com Model DMM7510 7 Digit Graphical Sampling Multimeter A Greater Measure of Confidence...

Page 2: ...e trademarks of Keithley Instruments Inc All Keithley Instruments product names are trademarks or registered trademarks of Keithley Instruments Other brand names are trademarks or registered trademark...

Page 3: ......

Page 4: ...be connected to mains These instruments will be marked as category II or higher Unless explicitly allowed in the specifications operating manual and instrument labels do not connect any instrument to...

Page 5: ...y disposed of according to federal state and local laws The WARNING heading in the user documentation explains dangers that might result in personal injury or death Always read the associated informat...

Page 6: ...est procedures 2 9 Front panel verification 2 10 DC voltage verification 2 10 AC voltage verification 2 13 Digitize voltage verification 2 16 Analog trigger voltage verification 2 19 Analog trigger cu...

Page 7: ...ents 3 6 Front terminal adjustments 3 10 Set time and calibration adjustment dates 3 19 Save calibration and set the adjustment dates 3 20 Example TSP calibration code 3 20 TSP command reference 4 1 T...

Page 8: ...enabling users to gain deeper insight into their measurements The Model DMM7510 provides superior measurement accuracy and the speed necessary for a broad range of applications from system application...

Page 9: ...nded warranties are available on new and existing products Contact your local Keithley Instruments office sales partner or distributor for details Contact information If you have any questions after y...

Page 10: ...pecifications To determine if calibration adjustment is required After calibration to make sure it was adjusted properly The information in this section is intended for qualified service personnel onl...

Page 11: ...ding limits Environmental conditions Conduct your performance verification procedures in a test environment with An ambient temperature of 18 C to 28 C 65 F to 82 F A relative humidity of less than or...

Page 12: ...CI and ACI See Note Fluke 8508A 8 5 Digit Reference Multimeter DCV and resistance See Note Keysight Technologies 33250A Function Arbitrary Waveform Generator Frequency See Note IET Labs Inc 1423 A Pre...

Page 13: ...as been cycled You can run auto calibration with input cables connected At the start of the auto calibration process the front terminals are monitored If more than 30 V DC or 1 V AC is detected on the...

Page 14: ...t are active on the instrument are complete When the scheduled time occurs the autocalibration run command is placed in the command queue and will be executed after any previously sent commands or act...

Page 15: ...erval 5 Select the interval 6 Select Scheduled Time to select the time when the auto calibration will run or when you will be prompted to run it To review the next schedule time and date see the infor...

Page 16: ...not updated on the Calibration screen until the warmup period is complete The remote commands always return the present temperature From the front panel 1 Press the MENU key 2 Under System select Cali...

Page 17: ...g the 10 VDC range using a 10 V input value Using the Model DMM7510 one year accuracy specification for 10 VDC of 14 ppm of reading 1 2 ppm of range the calculated limits are Reading limits 10 V 10 V...

Page 18: ...equency verification on page 2 32 Simulated thermocouple type J temperature verification on page 2 33 Simulated RTD temperature verification on page 2 34 Dry circuit resistance verification on page 2...

Page 19: ...ss the MENU key and select Calibration If either time is more than 30 days or the Temperature Difference is more than 5 C run Auto Calibration before verifying the Model DMM7510 The front and rear ter...

Page 20: ...utput LO terminal of the calibrator To verify DC voltage accuracy 1 Set the calibrator to OPERATE 2 Set the calibrator output to 0 V 3 Use a low thermal cable to connect the Model DMM7510 HI and LO IN...

Page 21: ...1 0000152E 01 Half scale 5 000000E 00 4 9999180E 00 5 0000820E 00 Half scale 5 0000000E 00 5 0000820E 00 4 9999180E 00 Full scale 1 0000000E 01 1 0000152E 01 9 999848E 00 Verify the DC voltage 100 V...

Page 22: ...ctual values depend on the published specifications see Example reading limit calculation on page 2 8 The maximum input voltage between INPUT HI and INPUT LO is 1000 Vpeak Exceeding this value may cre...

Page 23: ...2 14 table 9 Repeat these steps for each range and frequency listed in the tables below For each voltage setting be sure that the reading is within low and high limits Verify the AC voltage 100 mV ran...

Page 24: ...oid cable capacitances of 150 F Excessive capacitance may result in additional load regulation uncertainties and could cause the calibrator output to open go into standby To verify AC voltage accuracy...

Page 25: ...n the Verify the AC voltage 700 V range table below Be sure that the readings are within low and high limits Verify the AC voltage 700 V range Input Frequency Lower limit Upper limit 700 5 0E 01 6 993...

Page 26: ...select the Digitize Functions tab and select Digitize Voltage 3 Press the HOME key 4 Select Range and select 100 mV 5 Press the MENU key 6 Select Settings 7 Set the Sample Rate to 1000 8 Set the Apert...

Page 27: ...E 01 4 99865E 01 Full scale 1 1 00020E 00 9 99805E 01 Verify the digitize voltage 10 V range Description Input Lower limit Upper limit Verify zero 0 7 50E 04 7 50E 04 Full scale 10 9 99805E 00 1 00020...

Page 28: ...depend on the published specifications see Example reading limit calculation on page 2 8 Analog trigger verifications are not included in the Customer Calibration Data Report Set up to verify the ana...

Page 29: ...ger voltage tables Verify accuracies on the User screen on the Model DMM7510 front panel Use the remote commands in the following for verification localnode prompts 1 localnode showerrors 1 Setup for...

Page 30: ...ttext display TEXT1 Analogtrigger num7 buf readings 1 str7 string format 3 4e num7 display settext display TEXT2 str7 print num7 Set up to verify the analog trigger digitize DC voltage DC coupling Use...

Page 31: ...igger digout 1 pulsewidth 30E 6 trigger digout 1 stimulus trigger EVENT_ANALOGTRIGGER Falling Edge slope dmm digitize analogtrigger edge slope dmm SLOPE_FALLING dmm digitize analogtrigger edge level 5...

Page 32: ...highfreqreject dmm OFF display clear display changescreen display SCREEN_USER_SWIPE dmm digitize analogtrigger edge level 50e 3 digio line 1 mode digio MODE_TRIGGER_OUT trigger digout 1 pulsewidth 30E...

Page 33: ...4900 0 5100 Measure or Digitize DC coupled 50 scale falling 0 5 0 5100 0 4900 Digitize AC coupled 50 scale rising 0 5 0 4850 0 5150 Digitize AC coupled 50 scale falling 0 5 0 5150 0 4850 Verify the a...

Page 34: ...fall within specified limits Use the values in the following tables to verify the performance of the Model DMM7510 Actual values depend on the published specifications see Example reading limit calcu...

Page 35: ...ange Description Verification point Lower limit Upper limit Measure or Digitize 50 scale rising 5 0000E 06 4 90E 06 5 10E 06 Measure or Digitize 50 scale falling 5 0000E 06 5 10E 06 4 90E 06 Verify th...

Page 36: ...lling analog edge triggering Verify the analog trigger DC current 1 mA to 3 A ranges To verify analog trigger current accuracy 1 Connect the Model DMM7510 to the calibrator as shown in the following f...

Page 37: ...e or Digitize 50 scale rising 4 9500E 03 4 90E 02 5 10E 02 Measure or Digitize 50 scale falling 5 0000E 02 5 10E 02 4 90E 02 Verify the analog trigger current 1 A range Description Verification point...

Page 38: ...log trigger current 10 A range 1 Set the TERMINALS switch to REAR Ensure that the orange R is displayed 2 Set the calibrator and Model DMM7510 as shown in 10 A verification connections on page 2 29 Us...

Page 39: ...m measure nplc 0 0005 dmm measure range 3 dmm measure analogtrigger mode dmm MODE_EDGE dmm measure analogtrigger edge slope dmm SLOPE_RISING dmm measure analogtrigger highfreqreject dmm OFF display cl...

Page 40: ...EDGE dmm digitize analogtrigger edge slope dmm SLOPE_RISING dmm digitize analogtrigger highfreqreject dmm OFF display clear display changescreen display SCREEN_USER_SWIPE dmm digitize analogtrigger ed...

Page 41: ...ht Technologies 33250A function generator to the Model DMM7510 INPUT HI and LO terminals as shown in the following figure 2 Set the function generator output impedance to High amplitude of 5 VRMS wave...

Page 42: ...uency Hz Lower limit Hz Upper limit Hz 10 Hz 5 V 1 00E 01 9 999197E 00 1 000080E 01 1 kHz 5 V 1 00E 03 9 999197E 02 1 000080E 03 10 kHz 5 V 1 00E 04 9 999197E 03 1 000080E 04 100 kHz 5 V 1 00E 05 9 99...

Page 43: ...Voltage to value shown in the following tables 16 Subtract the DCV 100 mV calibrator and cable offset voltage Verify the simulated thermocouple Type J temperature Table calibrator source values based...

Page 44: ...perature in C A alpha 1 delta 100 B 1 alpha delta 1e 4 C 1 alpha beta 1e 8 The alpha beta and delta values are listed in the following table Equation for 0 C to 850 C temperature range RRTD R0 1 AT BT...

Page 45: ...ire accuracy connect the Model DMM7510 INPUT and SENSE terminals to the calibrator as shown in the following figure 2 For 3 wire accuracy connect the Model DMM7510 INPUT and SENSE terminals to the cal...

Page 46: ...rce values Example PT100 Ro 1 000000E 02 alpha 3 850550E 03 beta 1 086300E 01 delta 1 499900E 00 A 3 908304E 03 B 5 775440E 07 C 4 182852E 12 Nominal calibrator value Actual calibrator value Temperatu...

Page 47: ...alibrator enable the OPR key and the EX SNS key 3 Ensure that the OPERATE display and EX SNS key are illuminated 4 Source 0 5 On the reference DMM enable 4 wire resistance and 2 range 6 Select PLUS th...

Page 48: ...et Compensation is on Selecting Dry Circuit should automatically enable Offset Compensation 9 Source the nominal full scale resistance values for the 1 to 2 k ranges as shown in the following tables 1...

Page 49: ...ulated or equivalent cables in a 4 wire configuration Characterize the calibrator 1 10 and 909 M nominal values with external reference DMM Verify that the displayed readings fall within specified lim...

Page 50: ...he 909 M reading Use this reading as the target for Model DMM7510 1 G verification Verifying 4 wire resistance accuracy To verify 4 wire resistance accuracy 1 Connect the Model DMM7510 INPUT and SENSE...

Page 51: ...f remote interface commands which will generate event messages To do the same steps over the remote interface send the commands dmm measure func dmm FUNC_4W_RESISTANCE dmm measure offsetcompensation e...

Page 52: ...published specifications see Calculating resistance reading limits on page 2 8 For 10 M verification the Sense HI cable is optional Measurement is with Input HI and LO and Sense LO only Range Nominal...

Page 53: ...ange Nominal calibrator values Actual calibrator Lower limit Upper limit 1 0E 08 0 00E 00 3 00E 03 3 00E 03 1 00E 08 1 0000380E 08 9 980079E 07 1 002068E 08 Verify resistance 909 M on the 1 G range 1...

Page 54: ...te DC voltage from the calibrator through a precision shunt resistor to the Model DMM7510 front terminals Sense the voltage across the shunt with a reference DMM Verify that the readings displayed on...

Page 55: ...9 Rel the Model DMM7510 10 On the calibrator select the OPR STBY key Ensure that the front panel displays OPERATE 11 Set the reference DMM to DC Voltage 2 V range 12 Set the calibrator to source 0 V 1...

Page 56: ...07843 1 9607843 1 0000000E 05 9 9989500E 06 1 0001050E 05 0 000005 0 9853921 0 9803922 5 0000003E 06 4 9993253E 06 5 0006753E 06 0 000005 1 9707843 0 9803922 5 0000003E 06 5 0006753E 06 4 9993253E 06...

Page 57: ...Apply accurate current from the DC current calibrator to the reference DMM Amp and LO terminals then to the Model DMM7510 front panel terminals Verify that the Model DMM7510 displayed readings fall w...

Page 58: ...mA verification verifying the Model DMM7510 accuracy from the calculated reference DMM current 7 For 10 mA verification set the reference DMM to the 20 mA range 8 Repeat steps 1 to 6 for 10 mA verifi...

Page 59: ...DMM7510 1 On the calibrator select the OPR STBY key Ensure that the front panel displays STANDBY 2 Set the ranges to 100 mA 3 Verify the Model DMM7510 zero reading for each range Rel the system 1 On...

Page 60: ...0009200E 00 Half scale 1 5 1 4992800E 00 1 5007200E 00 Half scale 1 5 1 5007200E 00 1 4992800E 00 scale 2 2 0009200E 00 1 9990800E 00 Digitize current verification For Digitize DC current verificatio...

Page 61: ...Set up the Model DMM7510 for digitize DC current and the range being tested Make sure relative offset is disabled 2 Verify the shunt With a shunt characterization of 200 k parallel 10 M reference the...

Page 62: ...culated reference DMM Voltage Characterized shunt For each setting verify that the STATISTICS swipe screen reading for Average is within low and high limits 7 For 100 A verification set the reference...

Page 63: ...e Count to 100 Zero verify the Model DMM7510 1 On the calibrator select the OPR STBY key Ensure that the front panel displays STANDBY 2 Verify the Model DMM7510 Zero reading for each range Rel the sys...

Page 64: ...5E 03 Full scale 0 01 1 00024E 02 9 99765E 03 Verify digitize current 100 mA range Description Calibrator setpoint A Lower limit Upper limit UUT Zero STANDBY 1 00E 05 1 00E 05 Full scale 0 1 9 99450E...

Page 65: ...ess the FUNCTION key and select AC Current 2 Press the HOME key 3 Select Range and set the range you are verifying 4 Press the MENU key 5 Select Settings 6 Ensure that Detector Bandwidth is set to 30...

Page 66: ...0 010 9 989000E 03 1 001100E 02 5 kHz 0 010 9 988000E 03 1 001200E 02 Verify AC current 100 mA range Description Verification point Lower limit Upper limit 40 Hz 0 1 9 989000E 02 1 001100E 01 1 kHz 0...

Page 67: ...eter Calibration Manual 2 58 DMM7510 905 01 Rev A April 2015 Capacitance verification To rel the cable and 1 F thru 100 F decade box 1 Connect the Model DMM7510 shielded banana cable banana to dual BN...

Page 68: ...s tab and select Capacitance 4 Press the MENU key 5 Select Settings 6 Set the Range to 1 nF 7 Press the MENU key 8 Select Calculations and select Rel then Acquire Cabling is 300 F which will prevent f...

Page 69: ...DMM7510 7 Digit Graphical Sampling Multimeter Calibration Manual 2 60 DMM7510 905 01 Rev A April 2015 Figure 12 Capacitance verification connections 10 Verify capacitance following the verification po...

Page 70: ...7 0900E 10 10 10 nF range 1 0000E 09 9 8000E 10 1 0200E 09 100 10 nF range 1 0000E 08 9 8900E 09 1 0110E 08 10 100 nF range 1 0000E 08 9 8600E 09 1 0140E 08 100 100 nF range 1 0000E 07 9 9500E 08 1 00...

Page 71: ...zeros 1 Select the 4W Res function 2 Set the Model DMM7510 to the 1 range 3 Press the MENU key 4 Select Settings 5 Set the Offset Compensation to On 6 Connect the Model 8610 or 8620 4 wire short to th...

Page 72: ...nd finishing on the 1 V range 4 Verify that the 1000 V range zero is within specification See the table below 5 Verify that the 100 V to 1 V range zero is within specification Verify DC Voltage zeroes...

Page 73: ...Section 2 Performance verification Model DMM7510 7 Digit Graphical Sampling Multimeter Calibration Manual 2 64 DMM7510 905 01 Rev A April 2015 Figure 14 10 A range connections...

Page 74: ...et the amplifier range lock ON 4 Source 0 0 A 5 On the reference DMM select DCA 20A range 6 On the 20A range rel the reference DMM offsets using Zero Range 7 On the Model DMM7510 rel the system offset...

Page 75: ...and amplifier as shown in the following figure Ensure that the gauge of the cabling is sufficient to handle 10 A 2 Set the TERMINALS switch to REAR Ensure that the orange R is displayed 3 Press the FU...

Page 76: ...10 9 98150E 00 1 00185E 01 Half scale 5 4 98900E 00 5 01100E 00 Half scale 5 5 01100E 00 4 98900E 00 Full scale 10 1 00185E 01 9 98150E 00 AC current 10 A verification Verify that the displayed readi...

Page 77: ...range lock ON 11 Source AC current for each of the frequencies listed in the following table 12 On the calibrator select OPR STBY key Ensure that the front panel displays OPERATE 13 For each setting a...

Page 78: ...perator using the remote commands sent over the IEEE 488 bus ethernet or USB device type B The information in this section is intended for qualified service personnel only Do not attempt these procedu...

Page 79: ...nel or front panel input and output terminals as shown in the connection diagrams Also be certain that the correct terminals are selected with the TERMINALS FRONT REAR switch Always let the source sig...

Page 80: ...exceed those listed in the table below Test equipment uncertainty adds to the uncertainty of each measurement Generally test equipment uncertainty should be at least four times more accurate than cor...

Page 81: ...bration commands are available Calibration is only available using TSP commands See the instructions below to change the command set To set the command set from the front panel 1 Press the MENU key 2...

Page 82: ...TSP prompt on and disable showing errors by sending the following commands localnode prompts localnode ENABLE localnode showevents 0 4 Before the start of each calibration step clear the event log of...

Page 83: ...0 or 8620 shorting plug on the rear terminals of the Model DMM7510 as shown in the figure below The shorting plug terminals must be connected so that HI and LO are correctly aligned Zero accuracy will...

Page 84: ...c 1 Requires 4 Wire short Rear DC adjustment step 2 Open circuit Remove the four wire short from the inputs Cables cannot be attached to the Model DMM7510 during this step At the beginning of this ste...

Page 85: ...tor to properly settle 4 Enter the actual calibrator output value during Step 3 Send the command cal adjust rear dc 3 2 0 Requires calibrator to source 2A Rear AC adjustment step 1 ACI 10 A Zero adjus...

Page 86: ...at 1 kHz The Calibration adjust step 2 allows 2 A through 10 A 10 for the source level It is best to use 7 A for lowest full scale uncertainty and minimize internal thermal settling 3 Enable the calib...

Page 87: ...equency flatness adjust ACV Step 4 1 V 1 kHz ACV 1 V range full scale and 10 V range zero ACV Step 5 1 V 50 kHz ACV 1 V range frequency flatness adjust ACV Step 6 10 V 1 kHz ACV 10 V range full scale...

Page 88: ...ent step 17 and cal adjust ac Frequency step 18 The descriptions of these steps are described in the following DC voltage adjustment steps 0 to 5 DC voltage adjustment step 0 MUX amp offset Send the c...

Page 89: ...ment step 3 1 Source 10 V and allow the calibrator to properly settle 2 Ensure that the calibrator output is enabled 3 Send the following command Ensure cal adjust dc 3 10 0 The 10 V value may be 10 d...

Page 90: ...properly settle DC adjust step 5 supports an allowed range of source values from 9 0 k to 11 0 k The Fluke 5720 calibrator supports only approximately 10 k As a valid alternative you can use an extern...

Page 91: ...voltage adjustment step 3 100 mV at 50 kHz 1 On the calibrator source 100 mV 50 kHz and allow the calibrator and cable to properly settle 2 Send the following command cal adjust ac 3 100mV 50KHz HI an...

Page 92: ...azardous voltages 1 On the calibrator source 100 V 1 kHz 2 Enable the OPR key 3 Allow the calibrator and cable to properly settle 4 Send the following command cal adjust ac 8 100V 1KHz HI and LO Ft te...

Page 93: ...O Ft terminals AC current adjustment step 12 1 mA at 1 kHz 1 On the calibrator source 1 mA at 1 kHz 2 Enable the OPR key 3 Allow the calibrator and cable to properly settle 4 Send the following comman...

Page 94: ...terminals code message severity eventlog next Set variables to print the error messages display changescreen display SCREEN_HOME delay 2 0 display clear display changescreen display SCREEN_USER_SWIPE...

Page 95: ...tor and the Model DMM7510 as shown in the figure below 2 On the calibrator source 1 0 V 10 Hz 3 Enable the OPR key cal ac adjust step 17 requires the source amplitude value to be entered The AC adjust...

Page 96: ...orm to square wave 3 Enable the output cal ac adjust step 18 requires the source frequency value to be entered The AC adjust step 18 supports an allowed range of source frequencies from 900 Hz to 1 1...

Page 97: ...ur equipment setup Rear terminal adjustments Rear DC adjustment step 0 amplifier offset display clear display changescreen display SCREEN_USER_SWIPE eventlog clear Clear the error event log and Home s...

Page 98: ...Calibrate Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done Rear DC adjustment step 2 Open circuit d...

Page 99: ...d display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done Rear AC adjustment step 1 ACI 10 A Zero adjustment displa...

Page 100: ...settext display TEXT1 Calibrate Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done Front terminal adju...

Page 101: ...TEXT1 Calibrate Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done DC voltage adjustment step 2 Open c...

Page 102: ...y TEXT1 Calibrate Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done DC voltage adjustment step 4 10 V...

Page 103: ..._SWIPE display settext display TEXT1 Calibrate Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done AC v...

Page 104: ...XT1 Calibrate Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done AC voltage adjustment step 3 100 mV a...

Page 105: ...EXT1 Calibrate Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done AC voltage adjustment step 5 1 V at...

Page 106: ...EXT1 Calibrate Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done AC voltage adjustment step 7 10 V at...

Page 107: ...entlog clear Clear the error event log and Home screen error triangle display settext display TEXT1 Calibrate Enabled display settext display TEXT2 Ft AC Step 8 100V 1KHz cal adjust ac 8 100V 1KHz HI...

Page 108: ...EXT1 Calibrate Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done AC voltage adjustment step 10 700 V...

Page 109: ...lay TEXT1 Calibrate Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done AC current adjustment step 12 1...

Page 110: ...XT1 Calibrate Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done AC current adjustment step 14 100 mA...

Page 111: ...Enabled display settext display TEXT2 Start Next Cal Step print Error Code code print Error Message message print Error Severity severity print done AC coupling adjustment step 17 display clear displa...

Page 112: ...00 1V 1kHz HI and LO Ft terminals Enter AFG frequency value code message severity eventlog next Set variables to print the error messages display changescreen display SCREEN_HOME delay 2 0 display cle...

Page 113: ......

Page 114: ...ault value Attribute R Yes Not applicable Not applicable Not applicable Usage value acal count value The number of times auto calibration has been run Details The number of times that auto calibration...

Page 115: ...ernaltemp temperature The internal temperature Details The temperature is displayed in Celsius C The instrument updates the internal temperature value when the instrument refreshes autozero If autozer...

Page 116: ...astrun tempdiff temperature The internal temperature Details The temperature is displayed in Celsius C The instrument updates the internal temperature value when the instrument refreshes autozero If a...

Page 117: ...R Yes Not applicable Not applicable Not applicable Usage dateTime acal lastrun time dateTime The date and time Details The date and time is returned in the format MM DD YYYY HH MM SS NNNNNNNNN Where...

Page 118: ...icable Not applicable Usage dateTime acal nextrun time dateTime The date and time when auto calibration is scheduled to be run Details The date and time is returned in the format MM DD YYYY HH MM SS N...

Page 119: ...lso see acal run on page 4 6 acal run This function immediately runs auto calibration and stores the constants Type TSP Link accessible Affected by Where saved Default value Function Yes Usage acal ru...

Page 120: ...ime format 0 to 23 default is 0 not available for the 8 hour or 16 hour interval Details Autocalibration does not start until all actions that are active on the instrument are complete When the schedu...

Page 121: ...value for this adjustment step if applicable Details The descriptions of these tests are ACV adjustment cal adjust ac ACV Step 1 10 mV 1 kHz ACV 100 mV range zero ACV Step 2 100 mV 1 kHz ACV 100 mV ra...

Page 122: ...A range full scale AC coupling amplitude adjustment ACV Step 17 1 V 10 Hz ACV AC coupling amplitude adjustment Frequency adjustment ACV Step 18 1 V 1 kHz Squarewave Frequency adjustment For detail on...

Page 123: ...efault value Attribute R Yes Not applicable Nonvolatile memory Not applicable Usage adjustments cal adjust count adjustments The number of adjustments Details You can use this command if calibration i...

Page 124: ...justDate The date when the last adjustment occurred year Year must be more than 1970 month Month 1 to 12 day Day 1 to 31 hour Hour in 24 hour time format 0 to 23 minute Minute 0 to 59 second Second 0...

Page 125: ...e zero for DCI 1 A to 3 A DCV Digitize DCV 2W and 4W DC Step 2 Open Terminals DCI zero 10 A to 100 mA DCV 100 V and 1000 V full scale Resistance 1 to 1 G full scale Digitize DCI and DCV full scale Wav...

Page 126: ...st adjusted Example output 34 4 Also see cal adjust tempdiff on page 4 15 cal adjust rear ac This function starts the specified rear AC adjustment step Type TSP Link accessible Affected by Where saved...

Page 127: ...re saved Default value Function Yes Usage cal adjust rear dc step cal adjust rear dc step value step The rear DC adjustment step to start value The value for this adjustment step if applicable Details...

Page 128: ...one Type TSP Link accessible Affected by Where saved Default value Attribute R Yes Not applicable Not applicable Not applicable Usage temperature cal adjust tempdiff temperature The difference in temp...

Page 129: ...perform calibration you must unlock calibration This command does not save calibration data Calibration data is lost if it is you do not save it before sending cal lock Use cal save to save the data...

Page 130: ...s the password to unlock calibration must be 10 characters or less Details This command can only be sent when calibration is unlocked The password is not saved until calibration is saved with cal save...

Page 131: ...t count Calibration constants are retained indefinitely once saved Calibration is temporary unless the changes are saved Calibration data is not saved if Calibration is locked Invalid data exists for...

Page 132: ...ation Details Calibration data is locked during normal operation To perform calibration you must unlock calibration The default password is KI000CAL You can use cal password to change the default An e...

Page 133: ...ast verification occurred year Year must be more than 1970 month Month 1 to 12 day Day 1 to 31 hour Hour in 24 hour time format 0 to 23 minute Minute 0 to 59 second Second 0 to 59 Details The date and...

Page 134: ...4 21 Example 1 cal verify date os time year 2014 month 9 day 5 print cal verify date Set the verify calibration date to September 5 2014 Verify the date Example output Sep 5 2014 12 00 00 000 Example...

Page 135: ......

Page 136: ...z 2 7993773E 02 c100mvfs 2 8050151E 01 c100mvfs_pkpk 7 9414093E 01 c100mvfs_fast_pkpk 7 9372764E 01 c1vz 2 8060042E 02 c1vz_fast 2 8048071E 02 c1vfs 2 8115368E 01 c1vfs_fast 2 8097456E 01 c1vfs_pkpk 7...

Page 137: ...01 c1mafs_pkpk_AC_cb 7 9549755E 01 c1mafs_fast_pkpk_AC_cb 7 9499190E 01 c1maz 2 8044590E 02 c1mafs 2 8098133E 01 c10maz 2 7784581E 02 c10mafs 2 7837800E 01 c100maz 2 8344974E 02 c100mafs 2 8395196E 01...

Page 138: ...0mvz_sar_rear 8 3878500E 06 c1vz_sar 8 3887890E 06 c1vz_sar_rear 8 3887950E 06 c10vz_sar 8 3887050E 06 c10vz_sar_rear 8 3887060E 06 c100vz_sar 8 3854530E 06 c100vz_sar_rear 8 3854760E 06 c1000vz_sar 8...

Page 139: ...43144E 06 c1kohm3_rtd_slo_Ioff_z 7 0446950E 08 c1kohm3_rtd_slo_Ioff_z_rear 4 6258627E 07 c10kohm3_rtd_hi_z 1 4564330E 06 c10kohm3_rtd_slo_z 4 6311379E 07 c100kohm3_rtd_hi_z 2 5424421E 08 c100kohm3_rtd...

Page 140: ...973E 02 c10kohm4fs 1 4310195E 01 c10kohm4_Ioff_fs 1 2518740E 07 c10kohm4_acal_fs 1 4309359E 01 c10kohm4_r_int_fs 1 4309363E 01 c100kohm4_acal_fs 1 4292877E 02 c100kohm4_acal_Ioff_fs 4 2635635E 07 c_10...

Page 141: ...86480E 06 camps_gain_b_0_40_sar 8 3863090E 06 c1kohm4fs 1 5600000E 01 c1kohm4_Ioff_fs 7 8100000E 03 c_mux_gain_10 9 1743224E 00 cdummy_fs_2 9 1680549E 00 cdummy_fs_3 0 0000000E 00 cdummy_fs_4 0 000000...

Page 142: ...property of Keithley Instruments All other trademarks and trade names are the property of their respective companies Keithley Instruments Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139...

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