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