Hioki CM4373 - AC Current Accuracy Details

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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
20.00 A (1.00 A to 20.00 A) 0.01 A 10 Hz≤f<45 Hz ±1.8% rdg.±0.10 A ±2.3% rdg.±0.10 A
45 Hz≤f≤66 Hz ±1.3% rdg.±0.08 A ±1.8% rdg.±0.08 A
66 Hz<f≤1 kHz ±2.0% rdg.±0.10 A -
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 -
Auto range movement threshold: 2000 counts or more for upper range, 180 counts or less for lower range.
AC current (PEAK MAX/PEAK MIN)
Range
(Accuracy guarantee
range)
Resolution
Accuracy
guarantee
frequency range
Measurement accuracy
20.00 A (±1.0 A to ±150.0 A) 0.1 A 10 Hz≤f<45 Hz ±1.8% rdg.±0.7 A
45 Hz≤f≤66 Hz ±1.3% rdg.±0.7 A
66 Hz<f≤1 kHz ±2.0% rdg.±0.7 A
600.0 A (±10 A to ±1500 A) 1 A 10 Hz≤f<45 Hz ±1.8% rdg.±7 A
45 Hz≤f≤66 Hz ±1.3% rdg.±7 A
66 Hz<f≤1 kHz ±2.0% rdg.±7 A