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NI 4070/4072 Calibration Procedure 32 ni.com
13. Output 20 mA on the calibrator.
14. Call
niDMM_Read. Verify that this measurement falls between the
limits listed in Table 19.
15. Output –20 mA on the calibrator.
16. Call
niDMM_Read. Verify that this measurement falls between the
limits listed in Table 19.
17. Output 200 mA on the calibrator.
18. Call
niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_DC_CURRENT
• Range = 0.2
• Resolution = 200e–9
19. Call niDMM_Read. Verify that this measurement falls between the
limits listed in Table 19.
20. Output –200 mA on the calibrator.
21. Call
niDMM_Read. Verify that this measurement falls between the
limits listed in Table 19.
22. Output 1 A on the calibrator.
23. Call
niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_DC_CURRENT
• Range = 1
• Resolution =
1e–6
24. Call niDMM_Read. Verify that this measurement falls between the
limits listed in Table 19.
25. Output –1 A on the calibrator.
26. Call
niDMM_Read. Verify that this measurement falls between the
limits listed in Table 19.
You have completed verifying the DC current of the NI 4070/4072. Select
one of the following options:
• If you want to continue verifying other modes, go to the Verifying AC
Current section.
• If you do not want to verify other modes and you are performing a
post-adjustment verification, go to the Completing the Adjustment
Procedures section.
• If you do not want to verify any additional modes and you are
performing a pre-adjustment verification, call
niDMM_close to close
the session.