Model 6220/6221 Reference Manual Calibration 17-7
Return to Section 17 topics
Step 2: Calibrate current source
1. Select the DMM DC current function with auto range enabled.
2. From normal display, select the Model 6220/6221 100mA current source
range. (See Section 3 for details on setting current source range.)
3. Press the MENU key, select CAL, and press ENTER.
4. From the main calibration menu, select EXECUTE, and press ENTER. The
instrument will display:
CALIBRATION
SOURCE COMPLIANCE GUARD WAVE (WAVE displayed only for 6221)
5. Select SOURCE, then press ENTER. The unit will display:
I-CAL
Press ENTER to Output +100.00mA
6. Press ENTER to output the positive full-range current value for the pres-
ently selected range. The instrument will prompt as follows:
DMM RDG=+100.0000mA
Use , , , , ENTER, or EXIT
7. Note the DMM reading, then adjust the Model 6220/6221 display to agree
with that value.
8. Press ENTER. The display will prompt:
I-CAL
Press ENTER to Output +000.00mA
9. Press ENTER to output the zero value for the present range. The following
prompt will be displayed:
DMM RDG=+000.0000mA
Use , , , , ENTER, or EXIT
10. Note the DMM reading, then adjust the Model 6220/6221 display to agree
with that value.
11. Press ENTER. The display will prompt:
I-CAL
Press ENTER to Output -100.00mA
12. Press ENTER to output the negative full range value for the present range.
The following prompt will be displayed:
DMM RDG=-100.0000mA
Use , , , , ENTER, or EXIT
13. Note the DMM reading, adjust the Model 6220/6221 display to agree with
that value, then press ENTER to complete calibration for the present range.
14. Repeat steps 2 through 13 above for each current range (see Table 17-3,
page 17-8). For the 2nA and 20nA ranges, connect the Model 6220/6221 to
the picoammeter input, and use the picoammeter reading at the DMM read-
ing prompt (Figure 17-2).
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
To Next Page
Loading...
Need help?
General
