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NI 4070/4072 Calibration Procedure 20 ni.com
23. Call niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_AC_VOLTS_DCCOUPLED
• Range = 50
• Resolution = 50e–6
24. Call niDMM_Read. Verify that this measurement falls between the
limits listed in Table 16.
25. Refer to Table 5 for the appropriate calibrator outputs and parameter
values as you complete the following steps:
a. On the calibrator, output the value listed in the Calibrator Output
column in Table 5 for the current iteration.
b. Call
niDMM_ConfigureMeasurement with Mode set to
NIDMM_VAL_AC_VOLTS and the remaining parameters as shown
in Table 5 for the current iteration.
c. Call
niDMM_Read. Verify that this measurement falls between the
limits listed in Table 16.
d. Call
niDMM_ConfigureMeasurement again, changing Mode to
NIDMM_VAL_AC_VOLTS_DCCOUPLED.
e. Call
niDMM_Read. Verify that this measurement falls between the
limits listed in Table 16.
Table 5. niDMM_ConfigureMeasurement Parameters
Iteration
Calibrator Output niDMM_ConfigureMeasurement Parameters
Amplitude Frequency Function Range Resolution
1 50 V 50 Hz NIDMM_VAL_AC_VOLTS 50 50e–6
50 V 50 Hz NIDMM_VAL_AC_VOLTS_DCCOUPLED 50 50e–6
2 50 V 1kHz NIDMM_VAL_AC_VOLTS 50 50e–6
50 V 1kHz NIDMM_VAL_AC_VOLTS_DCCOUPLED 50 50e–6
3 50 V 20 kHz NIDMM_VAL_AC_VOLTS 50 50e–6
50 V 20 kHz NIDMM_VAL_AC_VOLTS_DCCOUPLED 50 50e–6
4 50 V 50 kHz NIDMM_VAL_AC_VOLTS 50 50e–6
50 V 50 kHz NIDMM_VAL_AC_VOLTS_DCCOUPLED 50 50e–6
5 50 V 100 kHz NIDMM_VAL_AC_VOLTS 50 50e–6
50 V 100 kHz NIDMM_VAL_AC_VOLTS_DCCOUPLED 50 50e–6
6 50 V 300 kHz NIDMM_VAL_AC_VOLTS 50 50e–6
50 V 300 kHz NIDMM_VAL_AC_VOLTS_DCCOUPLED 50 50e–6