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NI PXIe-4339 Calibration Procedure
11. Set the calibrator output equal to the first calibrator output for the corresponding excitation
value in Table 17.
12. Set the calibrator to operate mode (OPR) to enable the output.
13. Call the 4339 instance of the DAQmx Adjust SC Express Calibration function with the
following parameters:
calhandle in
: calhandle output from DAQmx Initialize External Calibration
reference voltage
: Calibrator output value from step 11.
14. Repeat steps 11 through 13 for the remaining calibrator output values from Table 17.
15. Repeat steps 10 through 14 for the remaining excitation voltage values from Table 17.
16. Repeat steps 10 through 15 using values from Table 18 through Table 24.
0.01
-0.01
5
0.045
0
-0.045
0.01
-0.01
7.5
0.0675
0
-0.0675
0.01
-0.01
10
0.09
0
-0.09
Table 18.
Ratio Mode (±0.02 V/V Range)
Range (V/V)
Excitation Setting (V)
Calibrator Output (V)
Max
Min
0.02
-0.02
2.75
0.0495
0
-0.0495
0.02
-0.02
3.33
0.05994
0
-0.05994
Table 17.
Ratio Mode (±0.01 V/V Range) (Continued)
Range (V/V)
Excitation Setting (V)
Calibrator Output (V)
Max
Min
