National Instruments NI 4070/4072 6 1/2-Digit FlexDMM 用户手册
NI 4070/4072 Calibration Procedure
18
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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.
18. Output 5 V at 30 Hz on the calibrator.
19. Call
niDMM_ConfigureMeasurement
with the following
parameters:
•
Function =
NIDMM_VAL_AC_VOLTS_DCCOUPLED
•
Range =
5
•
Resolution =
5e–6
20. Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 16.
Table 3. niDMM_ConfigureMeasurement Parameters
Iteration
Calibrator Output
niDMM_ConfigureMeasurement Parameters
Amplitude
Frequency
Function
Range
Resolution
1
500 mV
50 Hz
NIDMM_VAL_AC_VOLTS
0.5
500e–9
500 mV
50 Hz
NIDMM_VAL_AC_VOLTS_DCCOUPLED
0.5
500e–9
2
500 mV
1 kHz
NIDMM_VAL_AC_VOLTS
0.5
500e–9
500 mV
1 kHz
NIDMM_VAL_AC_VOLTS_DCCOUPLED
0.5
500e–9
3
500 mV
1 kHz
NIDMM_VAL_AC_VOLTS
5
5e–6
500 mV
1 kHz
NIDMM_VAL_AC_VOLTS_DCCOUPLED
5
5e–6
4
500 mV
20 kHz
NIDMM_VAL_AC_VOLTS
0.5
500e–9
500 mV
20 kHz
NIDMM_VAL_AC_VOLTS_DCCOUPLED
0.5
500e–9
5
500 mV
50 kHz
NIDMM_VAL_AC_VOLTS
0.5
500e–9
500 mV
50 kHz
NIDMM_VAL_AC_VOLTS_DCCOUPLED
0.5
500e–9
6
500 mV
100 kHz
NIDMM_VAL_AC_VOLTS
0.5
500e–9
500 mV
100 kHz
NIDMM_VAL_AC_VOLTS_DCCOUPLED
0.5
500e–9
7
500 mV
300 kHz
NIDMM_VAL_AC_VOLTS
0.5
500e–9
500 mV
300 kHz
NIDMM_VAL_AC_VOLTS_DCCOUPLED
0.5
500e–9