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Earth Resistance Series
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Earth Resistance Series
Digital large ground network tester
Function: Ground resistance test, soil resistivity test, step voltage test, distributed potential test, contact voltage test
Resistance Range: 0Ω~2000Ω
Resolution: 0.001Ω
Power: AC 220V
Measurement method: precision 4-wire measurement, simple 3-wire measurement, simple 2-wire measurement
Short circuit maximum current: 5A (sine wave)
No-load maximum voltage: 400V

Function Ground resistance measurement, soil resistivity measurement, step voltage measurement, distributed potential measurement, contact voltage measurement
Ground resistance range 0.000~2000Ω    Accuracy ±2%rdg±5dgt
Ground resistance resolution 0.001Ω
Rated measuring power 2000W
Capacity of resisting disturbance Anti-power frequency 50hz voltage 50v
Base condition 23℃±5℃,below 70%rh   (Auxiliary ground resistance 20Ω±10%,voltage to earth<10V)
Power AC 220V 10A (50Hz)
Backlight Controllable gray screen backlight
Measurement mode four-wire measurement, three-wire measurement, two-wire measurement
Measurement method Grounding resistance: rated current method
Short circuit test current 1A、2A、3A、4A、5A(5 file settings)
Soil resistivity electrode spacing range Can set 1m~100m
Test frequency 45Hz、55Hz、Automatic dual frequency optional
Short circuit maximum current AC  5A±10%  Sine wave
No-load maximum voltage AC  400V±10%  Sine wave
Display mode 7-inch touch-control color screen
Touch screen yes
Measurement indication Measurement progress display, measurement prompt animation display
Instrument size L/W/H:540mm*440mm*210mm
Standard test line length Red 15m,black 15m,yellow 10m,green 10m,yellow 1.5m,green 1.5m each one
Auxiliary grounding rob 800mm 2pcs , 200mm 2pcs
Measurement time ground impedance:about 1min/time
Print Built-in thermal printer
Print paper specification 57*40mm
Data storage 100 groups, "Save successfully!" Store indication, display "Save failed, space is full!" character indicates that the storage is full
Data review yes
Overflow display Over-range overflow function: "OL" symbol display
Automatic shut-down no
Power consumption Standby: <110W
Weight Instrument:27kg
Test line、Auxiliary ground rob、 Instrument bag:5.5kg
Working temperature and humidity -10℃~40℃;Below 80%rh
Storage temperature and humidity -20℃~60℃;Below 70%rh
Insulation resistance 10MΩ above(Between circuit and case500V)
Pressure resistance AC 3700V/rms(Between circuit and case)
Electromagnetic properties IEC61010-4-3,Wireless frequency electromagnetic field≤1V/m
Suitable for Safety Regulations IEC61010-1、IEC1010-2-31、IEC61557-1,5、IEC60529(IP54)、Pollution Degree 2、CAT Ⅲ 300V

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