Technical data

22 U2741A USB Modular 5.5 Digits Digital Multimeter Service Guide
2 Performance Test Calibration
AC voltage verification test
AC voltage configuration:
(CONFigure[:VOLTage]:AC [<range|MIN|MAX|AUTO>
[,resolution|MIN|MAX|DEF>]])
1 Select the AC Voltage function.
Select each range in the order based on the indicated input
voltage and frequency. Compare the measurement results
with the appropriate test limits shown in Table 2- 7. (Be
certain to allow for appropriate source settling.)
[1]
Select NPLC 20 digit resolution.
Q = Quick performance verification test points
Table 2 - 7 AC volts verification test error
Voltage Input frequency Function
[1]
Range Quick check Error from nominal 1 year
100 mV 45 Hz
AC Voltage
100 mV ±1.1 mV
100 mV 10 kHz 100 mV ±0.3 mV
100 mV 30 kHz 100 mV ±1.8 mV
100 mV 100 kHz 100 mV ±5.3 mV
1 V 45 Hz 1 V ±11 mV
1 V 1 kHz 1 V Q ±3.0 mV
1 V 30 kHz 1 V ±11 mV
1 V 100 kHz 1 V ±32 mV
10 V 45 Hz 10 V ±110 mV
10 V 1 kHz 10 V Q ±40 mV
10 V 30 kHz 10 V ±110 mV
10 V 100 kHz 10 V ±320 mV
100 V 45 Hz 100 V ±1.1 V
100 V 1 kHz 100 V Q ±0.4 V
100 V 30 kHz 100 V ±1.1 V
100 V 100 kHz 100 V ±3.2 V
250 V 45 Hz
250 V ±2.75 V
250 V 1 kHz
250 V ±1 V
250 V 30 kHz
250 V ±2.75 V
250 V 100 kHz 250 V ±8 V