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Appendix G: Calibration
G–2
VX4101A MultiPaq Instrument User Manual
1 year
Connect calibrator voltage outputs to VX4101A voltage inputs.
Program the VX4101A as follows:
inst:sel dmm
cal:sour ext
After completion, program the VX4101A as follows:
cal:sour int
DC Mode Calibration Procedure
Perform this procedure to calibrate the DMM through its entire range of DC
measurements. This procedure is separated into phases to permit calibration of
all ranges, but should be run in its entirety. Perform the following steps to
calibrate the DMM in DC mode:
This part of the procedure calibrates the DMM for 0.03 VDC with 10 MW
impedance.
1. Program the VX4101A as follows:
conf:dc .03
2. Program the VX4101A as follows:
inp:imp 10e6; init
3. Apply 0.0 VDC ±100 nVDC
4. Program the VX4101A as follows:
cal:val 0
5. Apply 0.029 VDC±1.9 mVDC
6. Program the VX4101A as follows:
cal:val .029
This part of the procedure calibrates the DMM for 0.3 VDC with 10 MW
impedance.
7. Program the VX4101A as follows:
Recommended Calibration
Interval
Before You Begin
DC Range .03 VDC with
10 MW Impedance
DC Range .3 VDC with
10 MW Impedance