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Appendix G: Calibration
G–12
VX4101A MultiPaq Instrument User Manual
Current Mode Calibration Procedure
This procedure calibrates the DMM in current mode throughout its range of
current measurements. This procedure is separated into phases to permit
calibration at all ranges, but is intended to be run in its entirety. The procedure is
as follows:
This part of the procedure calibrates for 0.15A current.
1. Program the VX4101A as follows:
conf:curr .15;init
2. Apply 0.0 mA ±8 mA
3. Program the VX4101A as follows:
cal:val 0
4. Apply 140 mA ±35 mA
5. Program the VX4101A as follows:
cal:val .14 (or any other desired value)
This part of the procedure calibrates for 1A current.
6. Program the VX4101A as follows:
conf:curr 1;init
7. Apply 0.0 mA ±14 mA
8. Program the VX4101A as follows:
cal:val 0
9. Apply 900 mA ±0.28 mA
NOTE. This measurement takes extra time to settle
10. Program the VX4101A as follows:
cal:val 1 (or any other desired value)
Current .15A
Current 1A