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© National Instruments Corporation 17 NI 4070/4072 Calibration Procedure
13. Repeat step 12 for each of the remaining iterations shown in Table 2.
14. Output 500 mV at 30 Hz on the calibrator.
15. Call
niDMM_ConfigureMeasurement with the following
parameters:
• Function =
NIDMM_VAL_AC_VOLTS_DCCOUPLED
• Range = 0.5
• Resolution = 500e–9
16. Call niDMM_Read. Verify that this measurement falls between the
limits listed in Table 16.
17. Refer to Table 3 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 3 for the current iteration.
b. Call
niDMM_ConfigureMeasurement with Mode set to
NIDMM_VAL_AC_VOLTS and the remaining parameters as shown
in Table 3 for the current iteration.
Table 2. niDMM_ConfigureMeasurement Parameters
Iteration
Calibrator Output niDMM_ConfigureMeasurement Parameters
Amplitude Frequency Function Range Resolution
1 50 mV 50 Hz NIDMM_VAL_AC_VOLTS 0.05 50e–9
50 mV 50 Hz NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 50e–9
2 50 mV 1kHz NIDMM_VAL_AC_VOLTS 0.05 50e–9
50 mV 1kHz NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 50e–9
3 50 mV 1kHz NIDMM_VAL_AC_VOLTS 0.5 500e–9
50 mV 1kHz NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.5 500e–9
4 50 mV 20 kHz NIDMM_VAL_AC_VOLTS 0.05 50e–9
50 mV 20 kHz NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 50e–9
5 50 mV 50 kHz NIDMM_VAL_AC_VOLTS 0.05 50e–9
50 mV 50 kHz NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 50e–9
6 50 mV 100 kHz NIDMM_VAL_AC_VOLTS 0.05 50e–9
50 mV 100 kHz NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 50e–9
7 50 mV 300 kHz NIDMM_VAL_AC_VOLTS 0.05 50e–9
50 mV 300 kHz NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 50e–9