55
Accuracy Table
AC+DC current (PEAK MAX/PEAK MIN)
Range
(Accuracy guarantee
range)
Resolution
Accuracy guarantee
frequency range
Measurement accuracy
600.0 A (±10 A to ±1500 A) 1 A 10 Hz≤f<45 Hz ±1.8% rdg.±7 A
DC, 45 Hz≤f≤66 Hz ±1.3% rdg.±7 A
66 Hz<f≤1 kHz ±2.0% rdg.±7 A
2000 A (±10 A to ±2300 A) 1 A 10 Hz≤f<45 Hz ±1.8% rdg.±7 A
DC, 45 Hz≤f≤66 Hz ±1.3% rdg.±7 A
66 Hz<f≤1 kHz ±2.0% rdg.±7 A
(±2301 A to ±2840 A) 1 A 10 Hz≤f<45 Hz ±6.5% rdg.±7 A
DC, 45 Hz≤f≤66 Hz ±6.0% rdg.±7 A
66 Hz<f≤1 kHz -
8
Rush Current (INRUSH) 2000 A (CM4373, CM4374)
Conditions of guaranteed accuracy: After zero adjustment has been performed
INRUSH trigger level: For 2000 A range, detection of current of +100 A or more or -100 A or
less
Coupling type: DC coupling
Crest factor: For the 2000 A range (1000 A or less), 2.84
For the 2000 A range (greater than 1000 A and less than or equal to
2000 A), 1.42
Peak detection time width: 1 ms or more
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