© National Instruments Corporation 59 NI 4070/4072 Calibration Procedure
AC Voltage–100mV 100mV >10GΩ/10MΩ– 0.100006 V –0.099994V –0.100002 V –0.099998 V
1V 1V >10GΩ/10 MΩ0.999969 V 1.000031V 0.999992V 1.000008 V
–1V 1V >10GΩ/10 MΩ–1.000031 V –0.999969V –1.000008 V –0.999992 V
10V 10V >10 GΩ/10 MΩ9.99969 V 10.00031 V 9.99994 V 10.00006V
–10V 10V >10GΩ/10 MΩ–10.00031 V –9.99969 V –10.00006 V –9.99994 V
100V 100 V 10 MΩ99.9959 V 100.0041 V 99.9992 V 100.0008 V
–100V 100V 10 MΩ–100.0041 V –99.9959 V –100.0008 V –99.9992 V
300V 300 V 10 MΩ299.9835 V 300.0165V 299.9964V 300.0036 V
–300V 300V 10 MΩ–300.0165 V –299.9835V –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
5mV 1kHz 50mV AC/DC 0.0049775 V 0.0050225V
50mV 30Hz 50mV DC 0.04993V 0.05007V
50mV 50Hz 50 mV AC/DC 0.049955 V 0.050045V
50mV 1kHz 50mV AC/D C 0.049955V 0.050045V
50mV 1kHz 500mV AC/DC 0.049875 V 0.050125V
50mV 20 kHz 50mV AC/DC 0.049955 V 0.050045V
50mV 50 kHz 50mV AC/DC 0.049935 V 0.050065V
50mV 100kHz 50mV AC/D C 0.04971V 0.05029V
50mV 300kHz 50mV AC/D C 0.04845V 0.05155V
500mV 30 Hz 500 mV DC 0.49945 V 0.50055 V
500mV 50 Hz 500 mV AC/DC 0.49965 V 0.50035V
500mV 1kHz 500 mV AC /DC 0.49965 V 0.50035 V
500mV 1kHz 5V AC/DC 0.49875 V 0.50125V
500mV 20kHz 500mV AC/DC 0.49965 V 0.50035V
500mV 50kHz 500mV AC/DC 0.49945 V 0.50055V
Table 15. NI 4070/4072 DC Voltage Verification Limits (Continued)
Calibrator
Amplitude Range Input Resistance
2-Year Limits 24-Hour Limits
Lower Upper Lower Upper