National Instruments NI 4070/4072 6 1/2-Digit FlexDMM User Manual
© National Instruments Corporation
59
NI 4070/4072 Calibration Procedure
AC Voltage
–100 mV
100 mV
>10 G
Ω
/
10 M
Ω
–0.100006 V
–0.099994 V
–0.100002 V
–0.099998 V
1 V
1 V
>10 G
Ω
/
10 M
Ω
0.999969 V
1.000031 V
0.999992 V
1.000008 V
–1 V
1 V
>10 G
Ω
/
10 M
Ω
–1.000031 V
–0.999969 V
–1.000008 V
–0.999992 V
10 V
10 V
>10 G
Ω
/
10 M
Ω
9.99969 V
10.00031 V
9.99994 V
10.00006 V
–10 V
10 V
>10 G
Ω
/
10 M
Ω
–10.00031 V
–9.99969 V
–10.00006 V
–9.99994 V
100 V
100 V
10 M
Ω
99.9959 V
100.0041 V
99.9992 V
100.0008 V
–100 V
100 V
10 M
Ω
–100.0041 V
–99.9959 V
–100.0008 V
–99.9992 V
300 V
300 V
10 M
Ω
299.9835 V
300.0165 V
299.9964 V
300.0036 V
–300 V
300 V
10 M
Ω
–300.0165 V
–299.9835 V
–300.0036 V
–299.9964 V
Table 16. NI 4070/4072 AC Voltage Verification Limits
Calibrator Output
Range
Coupling
2-Year Limits
Amplitude
Frequency
Lower
Upper
5 mV
1 kHz
50 mV
AC/DC
0.0049775 V
0.0050225 V
50 mV
30 Hz
50 mV
DC
0.04993 V
0.05007 V
50 mV
50 Hz
50 mV
AC/DC
0.049955 V
0.050045 V
50 mV
1 kHz
50 mV
AC/DC
0.049955 V
0.050045 V
50 mV
1 kHz
500 mV
AC/DC
0.049875 V
0.050125 V
50 mV
20 kHz
50 mV
AC/DC
0.049955 V
0.050045 V
50 mV
50 kHz
50 mV
AC/DC
0.049935 V
0.050065 V
50 mV
100 kHz
50 mV
AC/DC
0.04971 V
0.05029 V
50 mV
300 kHz
50 mV
AC/DC
0.04845 V
0.05155 V
500 mV
30 Hz
500 mV
DC
0.49945 V
0.50055 V
500 mV
50 Hz
500 mV
AC/DC
0.49965 V
0.50035 V
500 mV
1 kHz
500 mV
AC/DC
0.49965 V
0.50035 V
500 mV
1 kHz
5 V
AC/DC
0.49875 V
0.50125 V
500 mV
20 kHz
500 mV
AC/DC
0.49965 V
0.50035 V
500 mV
50 kHz
500 mV
AC/DC
0.49945 V
0.50055 V
Table 15. NI 4070/4072 DC Voltage Verification Limits (Continued)
Calibrator
Amplitude
Amplitude
Range
Input Resistance
2-Year Limits
24-Hour Limits
Lower
Upper
Lower
Upper