Hioki CM4371 - Page 62

59
Accuracy Table
10
DC voltage and auto V DC detection
NMRR: -60 dB or more (50 Hz/60 Hz)
CMRR: -100 dB or more (DC, 50 Hz/60 Hz, 1 k
Ω
unbalance)
Coupling type: DC coupling
Peak detection time width: 1 ms or more (Filter off)
Overload protection: Lower of 1870 V DC/1100 V AC or 2×10
7
V • Hz (energized for 1 minute)
DC voltage (Measurement value/MAX/MIN/AVG)
Range (Accuracy guarantee range) Resolution Measurement accuracy
Input impedance
(DC input)
600.0 mV (0.0 mV to ±600.0 mV) 0.1 mV ±0.5% rdg.±0.5 mV 6.7 M
Ω
±5%
6.000 V (0.000 V to ±6.000 V) 0.001 V ±0.5% rdg.±0.003 V 6.7 M
Ω
±5%
60.00 V (0.00 V to ±60.00 V) 0.01 V ±0.5% rdg.±0.03 V 6.1 M
Ω
±5%
600.0 V (0.0 V to ±600.0 V) 0.1 V ±0.5% rdg.±0.3 V 6.0 M
Ω
±5%
1500 V* (0 V to ±1000 V) 1 V ±0.5% rdg.±3 V
6.0 M
Ω
±5%
(±1001 V to ±1700 V) 1 V ±2.0% rdg.±5 V
Auto range movement threshold: 6000 counts or more for upper range, 540 counts or less for lower range.
* In the 1500 V range, the instrument can withstand input of up to 1000 V continuously or input in excess of
1000 V for no greater than 1 minute.