UT522 USERS MANUAL
6
3.General Specifications
3.1 Operating temperature and Relative humidity(20 5 & 75%RH):
3.2 Application standard:
IEC 61010-1 CATIII 600V Polluting Grading: Grade II
IEC 61557-1,5
IEC 61010-2-31
Range
Earth Voltage
Measure Range
0V~400V(50/60Hz)
Earth
Resistance
Best Accuracy
(1.0%+6)
(2.0%+20) (40 position)
(2.0%+3)(400 or 4000 position)
(Auxiliary earth resistance 500
(accuracy 5%);earth voltage 10Vac)
0.00 ~40.00
0.0 ~400.0
0 ~4000
40
400
4000
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