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NI 4070/4072 Calibration Procedure 26 ni.com
19. Call niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_2_WIRE_RES
• Range = 100e6
• Resolution = 100
20. Call niDMM_Read and store the result as the 100 MΩ range offset.
21. Call
niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_2_WIRE_RES
• Range = 10e6
• Resolution = 10
22. Call niDMM_Read and store the result as the 10 MΩ range offset.
23. Call
niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_2_WIRE_RES
• Range = 1e6
• Resolution = 1
24. Call niDMM_Read and store the result as the 1 MΩ range offset.
25. Call
niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_2_WIRE_RES
• Range = 100e3
• Resolution = 0.1
26. Call niDMM_ConfigureMultiPoint with the following parameters:
• Trigger Count =
1
• Sample Count = 4
• Sample Trigger = NIDMM_VAL_IMMEDIATE
• Sample Interval = –1
27. Call niDMM_ReadMultiPoint with the following parameters:
• Maximum Time =
NIDMM_VAL_TIME_LIMIT_AUTO
• Array Size = 4
Average the results by summing the returned reading array of the
function and dividing by the returned actual number of points.
Store the result as the 100 kΩ range offset.