Model 6220/6221 Reference Manual Calibration 17-15
Return to Section 17 topics
3. Repeat step 2 for each range, as listed in Table 17-4, page 17-16, noting
the following:
• Be sure to set the correct range using the RANG command.
• Each range is calibrated with three values, +FS (positive full scale), 0,
and -FS (negative full scale) in that order. Use the SOUR:CURR com-
mand as shown to set the output current value for each step.
• For the 2nA and 20nA ranges, use the picoammeter with connections
shown in Figure 17-2. Substitute the picoammeter reading for the DMM
reading in the command listings. Be sure to turn the output off (send
OUTP OFF) before changing connections, then turn the output back on
(OUTP ON) before completing calibration.
4. For the Model 6221 only:
a. Disconnect the DMM from the Model 6221 OUTPUT jack.
b. Send this command to calibrate the waveform generator:
CAL:PROT:WAVE:STEP1 ‘ Calibrate waveform generator
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