Tektronix KEITHLEY DAQ6510, Calibration Manual

Page 1: ...Calibration and Adjustment Manual DAQ6510 905 01 Rev D June 2022 DAQ6510 905 01D www tek com keithley PDAQ6510 905 01D Model DAQ6510 Data Acquisition and Multimeter System...

Page 2: ...Data Acquisition and Multimeter System Calibration and Adjustment Manual DAQ6510...

Page 3: ...names are trademarks or registered trademarks of Keithley Instruments LLC Other brand names are trademarks or registered trademarks of their respective holders The Lua 5 0 software and associated docu...

Page 4: ...d 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 mains Exerc...

Page 5: ...lains hazards that could damage the instrument Such damage may invalidate the warranty The CAUTION heading with the symbol in the user documentation explains hazards that could result in moderate or m...

Page 6: ...DC voltage verification 2 6 AC voltage verification 2 9 Digitize dc voltage verification 2 14 Frequency verification 2 17 Simulated thermocouple type J temperature verification 2 18 Simulated RTD temp...

Page 7: ...rminal adjustment with open circuit inputs 3 13 Resistance adjustment 3 14 DC voltage adjustment 3 16 DC current adjustment 3 17 AC voltage adjustment 3 21 AC current adjustment 3 23 Frequency adjustm...

Page 8: ...l calibration refers to the process of verifying that the accuracy of the instrument is within its one year accuracy specifications Also adjustment refers to the process of changing the calibration co...

Page 9: ...at a fraction of the price of a repair Extended warranties are available on new and existing products Contact your local Keithley Instruments office sales partner or distributor for details Contact in...

Page 10: ...e instrument meets factory specifications Determine if adjustment is required Verify that adjustment was done properly Although the following tests are based on the Model 7700 20 Channel Differential...

Page 11: ...line voltage Using the proper test equipment Using the specified output signal and reading limits Environmental conditions Conduct the calibration verification procedures in a test environment with An...

Page 12: ...g DAQ6510 specifications In this manual the Model 8610 shorting plug is shown in the figures However you can use either the Model 8610 or the Model 8620 shorting plug Manufacturer Model Description Us...

Page 13: ...a 10 V input value Using the DAQ6510 one year accuracy specification for 10 V dc of 25 ppm of reading 5 ppm of range the calculated limits are Reading limits 10 V 10 V 25 ppm 10 V 5 ppm Reading limit...

Page 14: ...verification on page 2 24 DC current verification on page 2 29 Digitize current verification on page 2 33 AC current verification on page 2 36 Capacitance verification on page 2 39 Verifying zero val...

Page 15: ...verification The maximum input voltage between INPUT HI and INPUT LO is 1000 V dc and 750 V ac Exceeding this value may create a shock hazard The maximum common mode voltage the voltage between INPUT...

Page 16: ...0 press the FUNCTION key and select DC voltage 3 On the home screen select the button next to Range and select 100 mV 4 Press the MENU key 5 Under Measure select Settings 6 Set Input Impedance to Auto...

Page 17: ...065 Half scale 50 49 995 50 005 Half scale 50 50 005 49 995 Full scale 100 100 0065 99 9935 Verify the dc voltage 1 V range Description Nominal value Lower limit Upper limit Full scale 1 0 999969 1 00...

Page 18: ...315 Half scale 50 50 00315 49 99685 Full scale 100 100 0054 99 9946 Verify the dc voltage 1000 V range Description Nominal value Lower limit Upper limit Full scale 1000 999 944 1000 056 Half scale 500...

Page 19: ...value may cause a breakdown in insulation that can create a shock hazard Verify ac voltage accuracy for the 100 mV to 100 V ranges Use shielded low capacitance cabling For the 100 mV to 100 V ranges a...

Page 20: ...ings s set detector bandwidth to 30 Hz for frequencies of 30 Hz to 300 kHz To verify frequencies 1 kHz and higher set the detector bandwidth to 300 Hz for faster 200 readings s throughput 7 Source ac...

Page 21: ...3 10 017 10 100 kHz 9 932 10 068 Verify the ac voltage 100 V range Nominal value Frequency Lower limit Upper limit 100 20 Hz 99 910 100 09 100 1 kHz 99 910 100 09 100 50 kHz 99 830 100 17 100 100 kHz...

Page 22: ...curacy verification 750 V range 4 On the DAQ6510 press the FUNCTION key and select AC voltage 5 On the home screen select the button next to Range and select 750 V 6 Press the MENU key 7 Under Measure...

Page 23: ...he terminals on the front panel of the DAQ6510 Verify that the displayed readings are within specified limits Use the values in the tables following the steps below to verify the performance of the DA...

Page 24: ...een select the button next to Range and select 100 mV 4 Press the MENU key 5 Under Measure select Settings 6 Set the Sample Rate to 1000 7 Set the Aperture to Auto 8 Set the Count to 100 9 Set the cal...

Page 25: ...0 49975 0 50025 Half scale 0 5 0 50025 0 49975 Full scale 1 1 0004 0 9996 Verify the digitize voltage 10 V range Description Nominal value Lower limit Upper limit Full scale 10 9 996 10 004 Half scal...

Page 26: ...ues depend on the published specifications see Example reading limit calculation on page 2 4 1 Connect the Keithley Instruments Model 3390 function generator to the DAQ6510 INPUT HI and LO terminals a...

Page 27: ...he calibrator to the terminals on the front panel of the DAQ6510 Verify that the displayed readings are within specified limits Thermocouple accuracy is verified by using a dc voltage calibrator to ou...

Page 28: ...ct Settings 5 Set the range to 100 mV 6 Set Input Impedance to Auto 7 Set autozero to On 8 Select Integration Rate The Integration Rate dialog box opens 9 Set the unit to NPLC 10 Set NPLC to 1 PLC 11...

Page 29: ...ach value in the following table Use the following values to verify the performance of the DAQ6510 Actual values depend on published specifications see Example reading limit calculation on page 2 4 Si...

Page 30: ...one for the 0 C to 850 C range Equation for 200 C to 0 C temperature range RRTD R0 1 AT BT2 CT3 T 100 where RRTD is the calculated resistance of the RTD R0 is the known RTD resistance at 0 C T is the...

Page 31: ...63 1 49990 100 0000 D100 0 003920 0 10630 1 49710 F100 0 003900 0 11000 1 49589 PT385 IPTS 68 0 003850 0 11100 1 50700 PT3916 0 003916 0 11600 1 50594 Verify the simulated RTD temperature Use the valu...

Page 32: ...Add 0 25 C per 0 1 of HI LO lead resistance mismatch Figure 8 Connections for 3 wire RTD accuracy verification 3 On the DAQ6510 press the FUNCTION key and select Temperature 4 Press the MENU key 5 Und...

Page 33: ...tor value 19 18 999520 198 8900 0 0259 0 3241 100 99 99707 0 0075 0 0235 0 2932 190 189 99234 238 6775 0 0218 0 2725 Resistance verification Use the following information to verify the performance of...

Page 34: ...fset Compensation On 7 Verify that Open Lead Detector is Off 8 On the home screen select the button next to Range and select 1 9 Source the nominal zero and full scale resistance values for the 1 to 1...

Page 35: ...Parameter measure range expected value from 1 to 100000 Set dmm measure offsetcompensation enable dmm OCOMP_OFF and then set dmm measure range 1e6 to run without warnings Verify that the readings are...

Page 36: ...nt is with Input HI and LO and Sense LO only Range Nominal calibrator values Actual calibrator value Lower limit Upper limit 100 K 100 100 0012 99 9928 100 0098 1 M 0 0 1 1 1 0 999966 0 99986 1 000072...

Page 37: ...4 On the home screen select the button next to Range and select 100 M 5 Source the nominal full scale resistance values for the 100 M range as shown in the following table The values and limits in the...

Page 38: ...nfigurations are adequate for most purposes but may not provide sufficient test uncertainty ratio TUR for some users You must evaluate the measurement uncertainties and ensure that they are adequate f...

Page 39: ...rent 2 Set the reference DMM to DC Current and select the appropriate range to be verified Use the Model 8508A or 8588A 200 A range to verify the DAQ6510 10 A and 100 A ranges Use the Model 8508A or 8...

Page 40: ...cation tolerance 5 00012 mA 60 ppm 10 mA 9 ppm 0 000390072 mA Lower test limit 5 00012 0 000390072 4 999729928 mA Upper test limit 5 00012 0 000390072 5 000510072 mA Although the specification toleran...

Page 41: ...mits To verify dc current accuracy 1 Set up the DAQ6510 for dc current and the range being tested Make sure that relative offset is disabled 2 Connect the DAQ6510 and calibrator as shown in the follow...

Page 42: ...Upper limit Full scale 1 0 99955 1 00045 Half scale 0 5 0 49975 0 50025 Half scale 0 5 0 50025 0 49975 Full scale 1 1 00045 0 99955 Verify dc current 3 A range Description Calibrator setpoint A Lower...

Page 43: ...tab and select Digitize Current 4 Press the HOME key 5 Set the Range to 10 A 6 Press the MENU key 7 Under Measure select Settings 8 Set the Sample Rate to 1000 9 Set the Aperture to Auto or 1 ms 10 Se...

Page 44: ...mA range Description Calibrator setpoint A Lower limit Upper limit Full scale 10 00004 9 99204 10 00804 Half scale 5 00004 4 99454 5 00554 Half scale 5 00003 5 00553 4 99453 Full scale 10 00006 10 00...

Page 45: ...tifunction calibrator to the DAQ6510 front panel terminals Verify that the displayed readings fall within specified limits Use the values in the following tables to verify the performance of the DAQ65...

Page 46: ...etting make sure that the reading is within low and high limits Verify ac current 100 A range Description Verification point Lower limit Upper limit 100 A at 20 Hz 100 99 83 100 17 100 A at 1 kHz 100...

Page 47: ...100 99 86 100 14 100 mA at 1 kHz 100 99 86 100 14 100 mA at 4 9 kHz 100 99 86 100 14 Verify ac current 1 A range Description Verification point Lower limit Upper limit 1 A at 40 Hz 1 000 0 9986 1 001...

Page 48: ...0 F decade box 1 Connect the DAQ6510 shielded banana cable banana to dual BNC cable and 1 F through 100 F decade capacitor box as shown in the following diagram Figure 15 Connect DAQ6510 to decade cap...

Page 49: ...h as 300 pF which could prevent full scale verification due to the large cable capacitance offset Cable lengths should be minimized to reduce cable capacitance as much as possible 9 Connect the shield...

Page 50: ...0 05 10 100 nF range 10 9 86 10 14 100 100 nF range 100 99 5 100 5 10 1 F range 0 1 0 0986 0 1014 100 1 F range 1 0 995 1 005 10 10 F range 1 0 986 1 014 100 10 F range 10 9 95 10 05 10 100 F range 10...

Page 51: ...ct Settings 5 Set the Offset Compensation to On 6 Connect the Model 8610 or 8620 4 wire short to the front panel as shown in the following figure 7 Allow to settle for 5 minutes Do not use relative of...

Page 52: ...nge to 1000 V DC voltage verification is done in descending range order starting with the 1000 V range and finishing on the 100 mV range 6 Verify that the 1000 V range zero is within specification See...

Page 53: ...ed for a period of 90 days 1 year or 2 years from adjustment Adjustment should be performed at one of these intervals depending on your specification requirements Performance is specified relative to...

Page 54: ...less than or equal to 40 percent unless otherwise noted No direct airflow on the input terminals Line power The DAQ6510 requires a line voltage of 100 V to 240 V and a line frequency of 400 Hz 50 Hz...

Page 55: ...ng table summarizes the recommended calibration equipment Specified accuracy of all functions and ranges is dependent on the precision of reference signals used during the adjustment process To achiev...

Page 56: ...ing adjustment steps using a calibrator reference source be sure the calibrator reference signal has fully settled before sending adjustment commands to the DAQ6510 The front and rear terminals of the...

Page 57: ...ument to the rear panel terminals press the TERMINALS switch on the front panel of the instrument Select the TSP command set Calibration adjustment must be performed by remote control using LAN USB or...

Page 58: ...or using a combination of the two Interactive Manually set up and connect each reference signal then send the appropriate calibration adjustment command Programmatic A computer performs setup of calib...

Page 59: ...ions and running all the command parameters You will send each command parameter twice The first time you use the setup command and the second time you will use the execute command More information on...

Page 60: ...accuracy will be affected if the shorting plug terminals are not aligned correctly Figure 18 Connection for a front panel adjustment with a 4 wire short 3 Allow to settle for five minutes Command par...

Page 61: ..._front cal_4W_10ohm_zero_front cal_2W_100ohm_zero_front cal_4W_100ohm_zero_front cal_2W_1kohm_zero_front cal_3W_1kohm_zero_front cal_3W_1kohm_Hi_zero_front cal_3W_1kohm_SLO_zero_front cal_4W_1kohm_zer...

Page 62: ...the DAQ6510 for rear terminal adjustment 1 Set the TERMINALS switch to REAR 2 Install the Keithley Model 7797 Calibration System into your DAQ6510 rear slot 1 The Model 7797 Calibration System Instru...

Page 63: ..._1kohm_zero_rear cal_3W_1kohm_zero_rear cal_3W_1kohm_SLO_zero_rear cal_4W_1kohm_zero_rear cal_2W_10kohm_zero_rear cal_3W_10kohm_zero_rear cal_3W_10kohm_SLO_zero_rear cal_4W_10kohm_zero_rear cal_2W_100...

Page 64: ...the following command parameters Send each command parameter twice First send the parameter using the setup command Second send the parameter using the execute command The example code below uses the...

Page 65: ...ructions manual at tek com keithley 2 Set the TERMINALS switch to REAR Make sure that the orange R is displayed 3 Allow the DAQ6510 to settle for five minutes Command parameters for a rear terminal ad...

Page 66: ...ustment For this adjustment you need a Fluke 5720 calibrator Prepare your DAQ6510 for a resistance adjustment To prepare the DAQ6510 for a front terminal adjustment 1 Set the TERMINALS switch to FRONT...

Page 67: ...ll the resistance steps will remove these errors You must send the cal_TS7 first Command parameters Calibrator function Calibrator range Calibrator value Reference DMM dc current range cal_TS7 n a n a...

Page 68: ...r a dc voltage accuracy The following section provides a command parameter table to complete the adjustment For this adjustment you need a Fluke 5720 calibrator Prepare your DAQ6510 for a dc voltage a...

Page 69: ...value cal_DCV_DIGI_1kV_fs_pos dc voltage 1100 1000 cal_DCV_DIGI_1kV_fs_neg dc voltage 1100 1000 cal_DCV_100V_fs_pos dc voltage 220 100 cal_DCV_DIGI_100V_fs_pos dc voltage 220 100 cal_DCV_100V_fs_neg d...

Page 70: ...ation and Adjustment Manual 3 18 DAQ6510 905 01 Rev D June 2022 Prepare your DAQ6510 for a dc current adjustment To prepare the DAQ6510 for dc current adjustment Connect the Model DAQ6510 to the calib...

Page 71: ...os calibrator stimulus value You must send the cal_TS6 first Command parameters Calibrator function Calibrator range Calibrator value Calibrator stimulus value Reference DMM dc current range cal_TS6 n...

Page 72: ...s dc current 0 022 0 01 8508A or 8588A Reading 10 mA 10 mA range full scale nominal cal_DCI_10mA_fs_neg dc current 0 022 0 01 8508A or 8588A Reading 10 mA cal_DCI_DIGI_10mA_fs_neg dc current 0 022 0 0...

Page 73: ...720 calibrator Keithley Model 3390 function generator Prepare your DAQ6510 for an ac voltage adjustment To prepare to run ac adjustments 1 Set the TERMINALS switch to FRONT 2 Connect a cable between t...

Page 74: ...l_ACV_100mV_100kHz_fs ac voltage 0 22 0 1 100 kHz cal_ACV_100mV_200kHz_fs ac voltage 0 22 0 1 200 kHz cal_ACV_100mV_300kHz_fs ac voltage 0 22 0 1 300 kHz cal_ACV_1V_1kHz_1pct ac voltage 0 022 0 01 1 k...

Page 75: ..._ACV_700V_200kHz_1pct ac voltage 22 7 200 kHz cal_ACV_700V_300kHz_1pct ac voltage 22 7 300 kHz cal_ACV_700V_1kHz_fs ac voltage 1100 750 1 kHz AC current adjustment The following procedure provides ins...

Page 76: ...librator frequency cal_ACI_100uA_1kHz_tenth ac current 0 00022 0 00001 1 kHz cal_ACI_100uA_1kHz_fs ac current 0 00022 0 0001 1 kHz cal_ACI_1mA_1kHz_tenth ac current 0 00022 0 0001 1 kHz cal_ACI_1mA_1k...

Page 77: ...nt For this adjustment you need a 50 coaxial cable Keithley Model 3390 function generator Prepare your DAQ6510 for a frequency adjustment To prepare the DAQ6510 for a frequency adjustment 1 Connect th...

Page 78: ...all command parameters using this command cal adjust step setup cal_FREQ_1kHz cal adjust step execute cal_FREQ_1kHz Command parameter Calibrator function Calibrator range Calibrator value Calibrator f...

Page 79: ...00V_zero_front Use front terminal 4 wire short setup cal adjust step setup cal_DCV_DIGI_100V_zero cal adjust step execute cal_DCV_DIGI_100V_zero Use front terminal 4 wire short setup cal adjust step s...

Page 80: ...ire short setup cal adjust step setup cal_3W_100kohm_SLO_zero_front cal adjust step execute cal_3W_100kohm_SLO_zero_front Use front terminal 4 wire short setup cal adjust step setup cal_4W_100kohm_zer...

Page 81: ...r cal adjust step execute cal_DCV_100V_zero_rear Use rear terminal 4 wire short setup cal adjust step setup cal_DCV_1kV_zero_rear cal adjust step execute cal_DCV_1kV_zero_rear Use rear terminal 4 wire...

Page 82: ...1Mohm_zero_rear Use rear terminal 4 wire short setup cal adjust step setup cal_4W_1Mohm_zero_rear cal adjust step execute cal_4W_1Mohm_zero_rear Use rear terminal 4 wire short setup cal adjust step se...

Page 83: ...t terminal 4 wire open circuit setup cal adjust step setup cal_DCI_DIGI_1mA_zero cal adjust step execute cal_DCI_DIGI_1mA_zero Use front terminal 4 wire open circuit setup cal adjust step setup cal_DC...

Page 84: ...from_calibrator Use resistance setup cal adjust step setup cal_4W_100ohm_OCOMP_fs cal adjust step execute cal_4W_100ohm_OCOMP_fs 100ohm_value_read_from_calibrator Use resistance setup cal adjust step...

Page 85: ..._DCV_100V_fs_neg cal adjust step setup cal_DCV_100V_fs_neg Use dc voltage setup cal adjust step setup cal_DCV_DIGI_100V_fs_neg cal adjust step setup cal_DCV_DIGI_100V_fs_neg Use dc voltage setup cal a...

Page 86: ...read_from_ 8508A 8588A Use dc current setup cal adjust step setup cal_DCI_DIGI_1mA_fs_neg cal adjust step execute cal_DCI_DIGI_1mA_fs_neg value_read_from_ 8508A 8588A Use dc current setup cal adjust s...

Page 87: ...al adjust step execute cal_DCI_10A_fs_neg Use dc current 10 A setup cal adjust step setup cal_DCI_DIGI_10A_fs_neg cal adjust step execute cal_DCI_DIGI_10A_fs_neg Use ac voltage setup cal adjust step s...

Page 88: ...oltage setup cal adjust step setup cal_ACV_10V_50kHz_fs cal adjust step execute cal_ACV_10V_50kHz_fs Use ac voltage setup cal adjust step setup cal_ACV_10V_100kHz_fs cal adjust step execute cal_ACV_10...

Page 89: ...l adjust step setup cal_ACI_100uA_1kHz_tenth cal adjust step execute cal_ACI_100uA_1kHz_tenth Use ac current setup cal adjust step setup cal_ACI_100uA_1kHz_fs cal adjust step execute cal_ACI_100uA_1kH...

Page 90: ...setup cal adjust step setup cal_ACI_3A_1kHz_fs cal adjust step execute cal_ACI_3A_1kHz_fs CT6500_only_start Use ac current 10 A setup cal adjust step setup cal_ACI_10A_400Hz_tenth cal adjust step exe...

Page 91: ...is executed However you can also use Test Script Processor TSP commands to set the time verification date and adjustment date To set the DAQ6510 time adjust date and verify date using TSP commands Un...

Page 92: ...pleted a step and is ready for the next command Prompts mode also returns a TSP prompt if an event message is available for example if an error occurs during an adjustment step See Handling events on...

Page 93: ...4 1 TSP commands The TSP commands available for the instrument are listed in alphabetical order Introduction This section contains detailed information on the DAQ6510 remote calibration commands Sect...

Page 94: ...ot applicable Usage adjustments cal adjust count adjustments The number of adjustments Details You can use this command if calibration is locked or unlocked The adjust count is read only The count is...

Page 95: ...d adjustDate 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 Secon...

Page 96: ...saved Default value Function Yes Usage cal adjust step setup stepname cal adjust step setup stepname value stepname The adjustment step to start value The value for this adjustment step If using the...

Page 97: ...e saved Default value Function Yes Usage cal adjust step execute stepname cal adjust step execute stepname value stepname The adjustment step to start value Value for this adjustment step If using the...

Page 98: ...on To 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...

Page 99: ...contains the password to unlock calibration maximum of 10 characters Details This command can only be sent when calibration is unlocked The password is not saved until calibration is saved with cal sa...

Page 100: ...also sets the adjustment date and increments the adjustment count Calibration constants are retained indefinitely once saved Calibration is temporary unless the changes are saved Calibration data is n...

Page 101: ...alibration 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...

Page 102: ...he last 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...

Page 103: ...2022 4 11 Example 1 cal verify date os time year 2018 month 9 day 5 print cal verify date Set the verify calibration date to September 5 2018 Verify the date Example output Sep 5 2014 12 00 00 000 Exa...

Page 104: ...ithley trademarks and trade names are the property of Keithley Instruments All other trademarks and trade names are the property of their respective companies Keithley Instruments 28775 Aurora Road Cl...