Technical data

Performance Test Calibration 2
U2741A USB Modular 5.5 Digits Digital Multimeter Service Guide 23
AC current verification test
AC current configuration:
(CONFigure:CURRent:AC [<range|MIN|MAX|AUTO>
[,resolution|MIN|MAX|DEF>]])
1 Select the AC Current function.
2 Select each range in the order based on the input current
and frequency. Compare the measurement results with the
appropriate test limits shown in Table 2- 8. (Be certain to
allow for appropriate source settling.)
[1]
Select NPLC 20 digit resolution.
Q = Quick performance verification test points
CAUTION
Set the calibrator output to 0 V before disconnecting it from the
multimeter input terminals.
Table 2 - 8 AC current verification test
Current Input frequency Function
[1]
Range Quick check Error from
nominal 1 year
10 mA 1 kHz
AC Current
10 mA ±60 µA
10 mA 10 kHz 10 mA ±220 µA
100 mA 1 kHz 100 mA Q ±0.6 mA
100 mA 10 kHz 100 mA ±2.2 mA
1 A 1 kHz 1 A ±6 mA
1 A 10 kHz 1 A ±22 mA
2 A 1 kHz 2 A ±12 mA
2 A 10 kHz 2 A ±44 mA