Performance Test 4
U3402A User’s and Service Guide 73
AC Current Verification Test
Configuration: AC current
1 Select the AC current function.
2 Select each range in the order shown in Table 4- 9. Provide the input
current and frequency indicated. Compare measurement results to the
appropriate test limits shown in Table 4- 9. (Be certain to allow for
appropriate source settling.)
Ta b l e 4- 9 AC current verification test
Function Reading
rate
Current Input
frequency
Range Error from nominal
one year
AC current
Slow
1.2000 mA 1 kHz 12 mA ±16 µA
10.0000 mA 1 kHz 12 mA ±60 µA
12.000 mA 1 kHz 120 mA ±0.16 mA
100.000 mA 1 kHz 120 mA ±0.6 mA
120.00 mA 1 kHz 1200 mA ±1.6 mA
1000.00 mA 1 kHz 1200 mA ±6 mA
1.2000 A 1 kHz 12 A ±22 mA
10.000 A 1 kHz 12 A ±110 mA
Medium
4.000 mA 1 kHz 40 mA ±60 µA
36.000 mA 1 kHz 40 mA ±0.22 mA
12.00 mA 1 kHz 120 mA ±0.18 mA
100.00 mA 1 kHz 120 mA ±0.62 mA
120.0 mA 1 kHz 1200 mA ±1.8 mA
1000.0 mA 1 kHz 1200 mA ±6.2 mA
1.200 A 1 kHz 12 A ±24 mA
10.000 A 1 kHz 12 A ±112 mA
Connect calibrator to multimeter’s A and Lo terminals before applying 10 A.
U3402-90001.book Page 73 Friday, July 24, 2009 4:04 PM
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