©
National Instruments Corporation
61
NI PXI-4070 Calibration Procedure
DC Current
AC Current
Table 15.
NI 4070 DC Current Verification Limits
Calibrator
Amplitude
Range
2-Year Limits
Lower
Upper
0 A
20 mA
–1.5
µ
A
1.5
µ
A
0 A
200 mA
–4
µ
A
4
µ
A
0 A
1 A
–20
µ
A
20
µ
A
20 mA
20 mA
19.9905 mA
20.0095 mA
–20 mA
20 mA
–20.0095 mA
–19.9905 mA
200 mA
200 mA
199.916 mA
200.084 mA
–200 mA
200 mA
–200.084 mA
–199.916 mA
1 A
1 A
0.99948 A
1.00052 A
–1 A
1 A
–1.00052 A
–0.99948 A
Table 16.
NI 4070 AC Current Verification Limits
Calibrator Output
Range
2-Year Limits
Amplitude
Frequency
Lower
Upper
1 mA
1 kHz
10 mA
0.9976 mA
1.0024 mA
10 mA
1 kHz
10 mA
9.994 mA
10.006 mA
10 mA
1 kHz
100 mA
9.976 mA
10.024 mA
100 mA
1 kHz
100 mA
99.94 mA
100.06 mA
100 mA
1 kHz
1 A
99.7 mA
100.3 mA
1 A
1 kHz
1 A
0.9988 A
1.0012 A
