Hioki CM4371 - Page 54

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Accuracy Table
AC current (Measurement value/MAX/MIN/AVG)
Range
(Accuracy
guarantee range)
Resolution
Accuracy guarantee
frequency range
Measurement accuracy
Filter off Filter on
600.0 A (1.0 A to 600.0 A)* 0.1 A 10 Hz≤f<45 Hz ±1.8% rdg.±0.5 A ±2.3% rdg.±0.5 A
45 Hz≤f≤66 Hz ±1.3% rdg.±0.3 A ±1.8% rdg.±0.3 A
66 Hz<f≤1 kHz ±2.0% rdg.±0.5 A -
2000 A (10 A to 1800 A) 1 A 10 Hz≤f<45 Hz ±1.8% rdg.±5 A ±2.3% rdg.±5 A
45 Hz≤f≤66 Hz ±1.3% rdg.±3 A ±1.8% rdg.±3 A
66 Hz<f≤1 kHz ±2.0% rdg.±5 A -
(1801 A to 2000 A) 1 A 10 Hz≤f<45 Hz ±2.8% rdg.±5 A ±3.3% rdg.±5 A
45 Hz≤f≤66 Hz ±2.3% rdg.±3 A ±2.8% rdg.±3 A
66 Hz<f≤1 kHz - -
Auto range movement threshold: 6000 counts or more for upper range, 540 counts or less for lower range.
* For 30.0 A or less, add 0.5 A to the measurement accuracy.