Specification

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 Voltage : 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