Keithley 2010, Service Manual

Page: 45 / 134

AC voltage calibration
Follow these steps for AC voltage calibration:
1. Connect the calibrator to the Model 2010 INPUT HI and LO terminals as shown in
Figure 2-4 .
NOTE Disconnect any sense leads from the calibrator to the Model 2010 when calibrating
or verifying AC volts. Even though some calibrators provide an external sense enable/
disable function, excessive voltage (±15V peak) may be applied and will corrupt the
calibration or verify.
2. Perform the calibration steps summarized in Table 2-11 . For each step:
• Set the calibrator to the indicated voltage and frequency, and make sure the unit is in
operate. (You must use the stated voltage and frequency.)
• Send the indicated programming command.
• Wait until the Model 2010 completes each step before continuing.
AC current calibration
Follow these steps for AC current calibration:
1. Connect the calibrator to the AMPS and INPUT LO terminals of the Model 2010 as
shown in
Figure 2-3 .
2. Perform the calibration steps summarized in Table 2-12 . For each step:
• Set the calibrator to the indicated current and frequency, and make sure the unit is in
operate. (You must use the stated current and frequency.)
• Send the indicated programming command.
• Wait until the Model 2010 completes each step before continuing.
Table 2-11
AC voltage calibration programming steps
Calibration step Calibrator voltage, frequency Calibration command
10mV AC at 1kHz
100mV AC at 1kHz
100mV AC at 50kHz
1V AC at 1kHz
1V AC at 50kHz
10V AC at 1kHz
10V AC at 50kHz
100V AC at 1kHz
100V AC at 50kHz
700V AC at 1kHz 10.00000mV, 1kHz
100.0000mV, 1kHz
100.0000mV, 50kHz
1.000000V, 1kHz
1.000000V, 50kHz
10.00000V, 1kHz
10.00000V, 50kHz
100.0000V, 1kHz
100.0000V, 50kHz
700.000V, 1kHz :CAL:PROT:AC:STEP1
:CAL:PROT:AC:STEP2
:CAL:PROT:AC:STEP3
:CAL:PROT:AC:STEP4
:CAL:PROT:AC:STEP5
:CAL:PROT:AC:STEP6
:CAL:PROT:AC:STEP7
:CAL:PROT:AC:STEP8
:CAL:PROT:AC:STEP9
:CAL:PROT:AC:STEP10
2-18 Calibration