Filter
Top Products
NI 4070/4072 Calibration Procedure 62 ni.com
DC Current
AC Current
100 kΩ 100 kΩ ±86 ppm ±17ppm
10 kΩ 10 kΩ ±83 ppm ±14 ppm
1kΩ 1kΩ ±83 ppm ±14 ppm
100 Ω 100 Ω ±90 ppm ±25 ppm
Table 19. NI 4070/4072 DC Current Verification Limits
Calibrator Amplitude Range
2-Year Limits
Lower Upper
0A 20 mA –1.5 μA 1.5 μA
0A 200 mA –4μA 4 μA
0A 1A –20 μA 20 μA
20 mA 20 mA 19.989 mA 20.011 mA
–20 mA 20 mA –20.011 mA –19.989 mA
200 mA 200 mA 199.916 mA 200.084 mA
–200 mA 200 mA –200.084 mA –199.916 mA
1A 1A 0.99945 A 1.00055 A
–1 A 1A –1.00055 A –0.99945 A
Table 20. NI 4070/4072 AC Current Verification Limits
Calibrator Output
Range
2-Year Limits
Amplitude Frequency Lower Upper
1mA 1kHz 10 mA 0.9976 mA 1.0024 mA
10 mA 1kHz 10 mA 9.994 mA 10.006 mA
10 mA 1kHz 100 mA 9.976 mA 10.024 mA
100 mA 1kHz 100 mA 99.94 mA 100.06 mA
100 mA 1kHz 1A 99.7 mA 100.3 mA
1A 1kHz 1A 0.9988 A 1.0012 A
Table 18. NI 4070/4072 2-Wire Resistance Verification Tolerances (Continued)
Calibrator
Resistance
Range
2-Year Tolerance
(ppm of Range)
24-Hour Tolerance
(ppm of Range)