National Instruments NI 4070/4072 6 1/2-Digit FlexDMM User Manual

Page of 68
NI 4070/4072 Calibration Procedure
26
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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 M
Ω 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 M
Ω 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 M
Ω 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 k
Ω range offset.