Function

Ground resistant test, Loop resistance test, leakage current test

Range

Ground resistance:

0.01Ω-1200Ω

Resolution: 0.001Ω

Accuracy: ±1%±0.01Ω

Current: 0.00mA-20.0A  

Resolution:0.01mA;

Accuracy: ±2%±1mA

Ambient temperature and humidity

23℃±5℃,below 75%rh

Power Supply

4 section 5 alkaline dry battery

Measurement Method

Mutual induction

Clamp Diameter

55mm×32mm

Ω+A Synchronized display

Ω+A same screen display

Display Mode

4-digit LCD display, black screen design

LCD Dimension

46mm×29mm

Meter Dimension

W/T/H: 85mm×58mmx285mm

Sampling Speed

About 2 times/second

Data Storage

300 Groups, the symbol “MEM” gives indication, “FULL” mark will flash to indicate the memory has been full

Data Review

"MR" symbol indication when reviewing data

Overflow Display

Exceed measurement range overflow function: “OL ” symbol display

Interference Test

Automatic identify interference signal, "NOISE" symbol indication when the interference current is large

Alarm Function

Alarm when the measured value exceeds the alarm setting value

Battery Voltage

Real-time display of battery power, reminding timely charging when battery voltage is low

Automatic shut-down

"APO" instruction, automatic shutdown after 5 minutes boot

Power Consumption

50MA Max

Weight

Instrument: 1180g (with battery)

Working Temperature and Humidity

-10°C~40C; below 80% rh

Storage Temperature and Humidity

-20°C~60C; below 70% rh

Insulation Resistance

20Ω or more (500V between circuit and outside)

Pressure Resistance

AC 3700V/rms(between circuit and outside)

External magnetic field

<40A/m

External electric field

<1V/m

Suitable for Safety Regulations

IEC61010-1(CAT III 300V, CAT IV 150V, Pollution Degree 2);

IEC61010-031;

 IEC61557-1 (grounding resistance)