Hioki CM4371 Mode D'emploi page 61

AC voltage (Measurement value/MAX/MIN/AVG)
(Accuracy
Range guarantee Resolution
range)
6.000 V (0.000 V to 0.001 V
0.299 V)
6.000 V (0.300 V to 0.001 V
6.000 V)
60.00 V (3.00 V to 0.01 V
60.00 V)
600.0 V (30.0 V to 0.1 V
600.0 V)
1000 V (50 V to 1 V
1000 V)
Auto range movement threshold: 6000 counts or more for upper range, 540 counts or less for lower range
* Frequency range of 15 Hz≤f<20 Hz is designed value.
Within the frequency range of f<45 Hz, the accuracy guarantee assumes a superposed DC voltage of less
than 500 V.
Accuracy Measurement accuracy
guarantee
Filter off
frequency range*
15 Hz≤f<45 Hz ±1.5% rdg.±0.015 V
45 Hz≤f≤66 Hz ±0.9% rdg.±0.013 V
66 Hz<f≤1 kHz ±1.5% rdg.±0.015 V
15 Hz≤f<45 Hz ±1.5% rdg.±0.005 V
45 Hz≤f≤66 Hz ±0.9% rdg.±0.003 V
66 Hz<f≤1 kHz ±1.5% rdg.±0.005 V
15 Hz≤f<45 Hz ±1.5% rdg.±0.05 V
45 Hz≤f≤66 Hz ±0.9% rdg.±0.03 V
66 Hz<f≤1 kHz ±1.5% rdg.±0.05 V
15 Hz≤f<45 Hz ±1.5% rdg.±0.5 V
45 Hz≤f≤66 Hz ±0.9% rdg.±0.3 V
66 Hz<f≤1 kHz ±1.5% rdg.±0.5 V
15 Hz≤f<45 Hz ±1.5% rdg.±5 V
45 Hz≤f≤66 Hz ±0.9% rdg.±3 V
66 Hz<f≤1 kHz ±1.5% rdg.±5 V
Accuracy Table
Input
impedance
Filter on
(at AC 50 Hz)
±2.0% rdg. 3.2 M
±0.015 V
±1.4% rdg.
±0.013 V
-
±2.0% rdg. 3.2 M
±0.005 V
±1.4% rdg.
±0.003 V
-
±2.0% rdg.±0.05 V 3.1 M
±1.4% rdg.±0.03 V
-
±2.0% rdg.±0.5 V 3.0 M
±1.4% rdg.±0.3 V
-
±2.0% rdg.±5 V 3.0 M
±1.4% rdg.±3 V
-
Ω
±5%
Ω
±5%
Ω
±5%
Ω
±5%
Ω
±5%
.
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