Product Description:
An earth resistance tester is used to measure grounding resistance for grounding pole connected to some conductive part of facility in the power distribution unit of power circuit or building structure, for working grounding, for safeguard grounding. The tester used for the furnish power, transformer station, power distribution lines, in-house wiring system, electrical appliances etc.
Product Specifications:
suring Range : 20Ω : 0.5 ~ 19.99Ω, 200Ω : 2 ~ 199.9Ω
2000Ω : 20 ~ 1999Ω
Accuracy : ±2% rdg±0.1Ω (20Ω), ±2% rdg±3Ω (200Ω)
±2% rdg±3 rdg (2000Ω)
Voltage : 0 ~ 200V
Resolution : 0.01Ω / 0.1Ω / 1Ω
Over Load Protection :
Auto Power Off :
Remove Measured Wires Resistance :
Earth Resistance Measured Time Setting :
Safety Standard :
IEC 61010-1 Overvoltage CAT III 300V Pollution Degree 2
IEC 61010-2-31 / IEC 61557-1,5 / IEC 60529 (IP54)
External power supply : 9V DC