Model 6220/6221 Reference Manual Calibration 17-11
Return to Section 17 topics
22. Press ENTER to output -2mA for -100V compliance calibration. The instru-
ment will prompt as follows:
DMM RDG=-100.0000V
Use , , , , ENTER, or EXIT
23. Note the DMM reading, then adjust the Model 6220/6221 display to agree
with that value.
24. Press ENTER. The display will prompt:
-21V COMPLIANCE CAL
Press ENTER to Output -2.0000mA
25. Press ENTER to output -2mA for -21V compliance calibration. The instru-
ment will prompt as follows:
DMM RDG=-21.00000V
Use , , , , ENTER, or EXIT
26. Note the DMM reading, then adjust the Model 6220/6221 display to agree
with that value.
27. Press ENTER to complete compliance calibration.
Figure 17-3
Connections for compliance calibration
Step 4: Calibrate guard circuit
1. Connect the digital multimeter (DMM) to the Model 6220/6221 GUARD and
LO jacks as shown in Figure 17-4. Be sure to connect the HI and LO termi-
nals of the Model 6220/6221 OUTPUT jack together as shown. Select the
DMM DC voltage 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)
High
Low
Output
6220/6221
Digital Multimeter
(Measure DC Voltage)
Input
High
Low
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
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