is used to the earth resistance of earth grid, lightning arrester of power system, and earth equipment of other electrical equipment.Total electron-type circuit, constant current supply, good function, big output current.It take 4 wire measurement with high resolution power, less error, light weight, easy operation and portable the ideal selection of earth meter
Technical data
Measurement range: 0~100Ω, 0~10Ω, 0~1Ω(three level)
Measurement accuracy: ±3% (full degree)
Earth resistance of auxiliary earth pole: < 2kΩ
Power supply: DC 12V(8*5 batter)
Working temperature:0°c~40°c
Humidity:RH≤85%
Dimension: 140*190*75mm