Huazheng HZDW-DB Ground Network Earth Resistance Tester (0～5000Ω)

Measuring range: 0～5000Ω (including current pile impedance)

Resolution: 0.001mΩ

Measurement error: ±(reading×2%+0.005Ω)

Anti-power frequency 50Hz voltage interference capability: 10V

Test current waveform: sine wave

Test current frequency: 

Single frequency: 40-70Hz, resolution 0.1Hz, free setting

Dual frequency: 50±0.1Hz to 50±10.0Hz can be set at will 60±0.1Hz to 60±10.0Hz can be set freely

Output current: 5A or external power supply 30A

Output voltage: 400V or external power supply 1000V

Measuring line requirements: 

Current line copper core cross-sectional area ≥1.5mm2

Voltage line copper core cross-sectional area ≥1.0mm2

Test power supply: Built-in 2kW variable frequency power supply or external high-power variable frequency power supply. 

Power supply: AC220V±10%, 50Hz

Dimensions: 500mm*377mm*330mm, instrument weight: 20kg

Manual