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NI 4070/4072 Calibration Procedure 50 ni.com
7. Refer to Table 13 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 13 for the current iteration.
b. Call
niDMM_CalAdjustACFilter with Mode set to
NIDMM_VAL_AC_VOLTS and the remaining parameters as shown
in Table 13 for the current iteration.
Note The Session parameter remains the same for all instances of this function.
c. Call
niDMM_CalAdjustACFilter again, changing Mode to
NIDMM_VAL_AC_VOLTS_DCCOUPLED.
8. Repeat step 7 for each of the remaining iterations shown in Table 13.
Table 13. niDMM_CalAdjustACFilter Parameters
Iteration
Calibrator Output niDMM_CalAdjustACFilter Parameters
Amplitude
Frequency
(kHz)
Mode
Range
(V)
Frequency
(Hz)
1 50 mV 1 NIDMM_VAL_AC_VOLTS 0.05 1e3
50 mV 1 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 1e3
2 50 mV 5 NIDMM_VAL_AC_VOLTS 0.05 5e3
50 mV 5 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 5e3
3 50 mV 20 NIDMM_VAL_AC_VOLTS 0.05 20e3
50 mV 20 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 20e3
4 50 mV 50 NIDMM_VAL_AC_VOLTS 0.05 50e3
50 mV 50 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 50e3
5 50 mV 100 NIDMM_VAL_AC_VOLTS 0.05 100e3
50 mV 100 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 100e3
6 50 mV 200 NIDMM_VAL_AC_VOLTS 0.05 200e3
50 mV 200 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 200e3
7 50 mV 300 NIDMM_VAL_AC_VOLTS 0.05 300e3
50 mV 300 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 300e3
8 50 mV 500 NIDMM_VAL_AC_VOLTS 0.05 500e3
50 mV 500 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.05 500e3
9 500 mV 1 NIDMM_VAL_AC_VOLTS 0.5 1e3
500 mV 1 NIDMM_VAL_AC_VOLTS_DCCOUPLED 0.5 1e3