DCM330 Performance Verification
Handheld and Benchtop Instruments Basic Service
9
Test Records
Serial Number Procedure performed by Date
Table 7: AC Current Checks
AC Current Test Frequency Tolerance Low Limit Test Result High Limit
0.0 A ±0.8 A –00.8 00.8
10.0 A 50 Hz ±1.0 A 0.90 11.0
400 Hz ±1.0 A 0.90 11.0
100.0 A 50 Hz ±2.7 A 97.3 102.7
400 Hz ±2.7 A 97.3 102.7
300.0 A 50 Hz ±6.5 A 293.5 306.5
60 Hz ±6.5 A 293.5 306.5
400 A 50 Hz ±17 A 383 417
60 Hz ±17 A 383 417
600 A 50 Hz ±22 A 578 622
60 Hz ±22 A 578 622
1000 A 50 Hz
1
±34 A 966 1034
60 Hz
1
±34 A 966 1034
1
At these frequencies, the inductance of the DCM330 may shut down the output of some calibrators. If this happens,
decrease the calibrator output frequency until the output remains on for the duration of the test.
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