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Earthing Resistance Range: 0.01Ω～3000Ω Accuracy±1.5%rdg±5dgt
Ground resistance resolution: 0.01Ω
Grounding voltage range: 0.01～600V AC Accuracy±1.5%rdg±3dgt
Ground voltage resolution: 0.01V
Reference conditions: 23°C±5°C, 75%rh or less (Auxiliary earth resistance 100Ω±5%, voltage to ground <10V
Function: Earth ground resistance measurement, voltage to ground measurement, low value resistance measurement
Power Supply: DC 6V 1.5V LR14 battery
Backlight: Controllable gray screen backlight, suitable for use in dim places
Measuring Mode: Precise 3-pole measurement, simple 2-pole measurement
Measuring Method: Earth ground resistance: rated current change-pole method, Test current >20mA (sine wave)，128Hz；
Voltage to ground: average value rectification
Wire Resistance Verification: Avoid error caused by testing wire that is failed to be fully inserted into tester interface or by poor contact or by users’ replacing or lengthening testing wires, making it more accurate for earth ground resistance measurement.
Display Mode: 4-digital super-large LCD display, gray screen backlight
Measuring indicator: During measurement, LED flash indicator, LCD count down display
LCD Dimension: 108mm×65mm
Dimension: L×W×H: 240mm×188mm×85mm
Testing Wires: Three wires: each for Red 15m, Yellow 10m, and Green 5m
Simple Testing Wire: 2 wires: each for Red 1.5m and Green 1.5m
Auxiliary earthing rod: 2 PCS
Measuring Rate: Voltage to ground: about 2 times/second; earth ground resistance: about 5 seconds/time
Measuring Times: Over 5000 times
Circuit Voltage: Measuring voltage to ground: measuring below AC 600V
Data Storage: 500 sets, flash display “FULL” icon to indicate storage is full
Data Read: Data read function: “MR” icon display
Overflow Display: Exceeding measuring range overflow function: “OL” icon display
Alarm Function: When measuring value exceeds alarm setting value, there is beeper alarming
Battery Voltage: Battery power indicate in real time, the battery voltage is low and remind to charge in time
Power Consumption
Backlight：25mA Max
Standby: 25mA Max(Backlight shut off)
Measurement：70mA Max(Backlight shut off)
Weight
Tester：1230g (including battery)
Testing Wires：610g (including simply testing wires)
Auxiliary earthing rod：360g(2 PCS)
Meter bag：1200g
Working Temperature & Humidity: -10℃～40℃；below 80%rh
Storage temperature & humidity: -20℃～60℃；below 70%rh
Overload Protection: Measuring earth resistance: between each interfaces of E-H、E-S, AC 280V/3 seconds
Insulation Resistance: Over 10MΩ(between circuit and enclosure it is 500V)
Withstanding Voltag: AC 3700V/rms (Between circuit and enclosure)
Electromagnetic Features: IEC61010-4-3, radio frequency electromagnetic field ≤ 1V/m
Protection Type: IEC61010-1、IEC1010-2-31、IEC61557-1,5、IEC60529(IP54)、Pollution grade 2、CAT Ⅲ 300V
