Model 6220/6221 Reference Manual
Calibration
17-9
Return to
Figure 17-2
Connections for current source calibration (2nA and 20nA ranges)
Step 3: Calibrate compliance
1.
Connect the digital multimeter (DMM) to the Model 6220/6221 as shown in
and select the DMM DC volts function with auto range enabled.
2.
From the main calibration menu, select EXECUTE, and press ENTER. The
unit will display:
CALIBRATION
SOURCE COMPLIANCE GUARD WAVE
(WAVE displayed only for 6221)
3.
Select COMPLIANCE, then press ENTER. The unit will display:
20V COMPLIANCE CAL
Press ENTER to 2.0000mA
4.
Press ENTER to 2mA for 20V compliance calibration. The instru-
ment will prompt as follows:
DMM RDG=+020.0000V
Use
,
,
,
, ENTER, or EXIT
5.
Note the DMM reading, then adjust the Model 6220/6221 display to agree
with that value.
6.
Press ENTER. The display will prompt:
.1V COMPLIANCE CAL
Press ENTER to 2.0000mA
7.
Press ENTER to 2mA for 0.1V compliance calibration. The instru-
ment will prompt as follows:
DMM RDG=+0.100000V
Use
,
,
,
, ENTER, or EXIT
8.
Note the DMM reading, then adjust the Model 6220/6221 display to agree
with that value.
High
Low
Output
6220/6221
Picoammeter
(Measure DC Current)
Input
Low
High
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