Hioki CM4371 Mode D'emploi page 52

Accuracy Table
3
AC+DC current and auto A AC detection 20.00 A/600.0 A (CM4371, CM4372)
Conditions of guaranteed accuracy:
Zero-display range:
Coupling type:
Crest factor:
Peak detection time width:
AC+DC current (Measurement value/MAX/MIN/AVG)
(Accuracy guarantee
Range
range)
20.00 A (1.00 A to 20.00 A)
600.0 A (1.0 A to 600.0 A)
Auto range movement threshold: 2000 counts or more for upper range, 180 counts or less for lower range.
48
After zero adjustment has been performed
5 counts or less
DC coupling
For the 20.00 A range, 7.5
For the 600.0 A range (500.0 A or less), 3
For the 600.0 A range (greater than 500.0 A and less than or equal to
600.0 A), 2.5
1 ms or more (Filter off)
Accuracy guarantee
Resolution
frequency range
0.01 A 10 Hz≤f<45 Hz
DC, 45 Hz≤f≤66 Hz
66 Hz<f≤1 kHz
0.1 A 10 Hz≤f<45 Hz
DC, 45 Hz≤f≤66 Hz
66 Hz<f≤1 kHz
Measurement accuracy
Filter off Filter on
±1.8% rdg.±0.10 A ±2.3% rdg.±0.10 A
±1.3% rdg.±0.13 A ±1.8% rdg.±0.13 A
±2.0% rdg.±0.10 A -
±1.8% rdg.±0.7 A ±2.3% rdg.±0.7 A
±1.3% rdg.±1.3 A ±1.8% rdg.±1.3 A
±2.0% rdg.±0.7 A -