Function：Ground resistant test, Loop resistance test, leakage current test
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 Not included
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
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)