Mainly used in power for uhv transmission lines insulator the insulation resistance of the field test, in order to discover in time and replace the insulation resistance does not accord with a standard requirements of operation of insulator, ensure transmission line reliable safety runs. Also can use as insulation resistance meter.
a) Measuring voltage: about 5000V dc
b) Range scope: 0 ~ 1999M
c) Points contend force: 1-m
d) Basic error: ± 5%
e) Electrical source: section 9V battery cascade
f) The source current: about 20mA
g) Environmental temperature: 0 ~ 40 Environmental humidity: more than 85 percent RH
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