Features | Ground resistance test, loop resistance test, leakage current test |
Accuracy | Ground resistance accuracy: ±1% ±0.01Ω |
Current accuracy: ±2%±1mA |
Ambient temperature and humidity | 23℃±5℃, below 75%rh |
power supply | DC 6V (4 AA alkaline dry batteries) |
measurement method | mutual inductance |
Jaw size | 55mm×32mm |
Ω + A synchronized display | Ω + A display on the same screen |
display mode | 4-digit LCD display, black screen design |
LCD size | 46mm×29mm |
Meter size | Length, width and height: 285mm×85mm×58mm |
measure time | 2 times/sec |
data storage | 300 groups, "MEM" storage indication, displaying "FULL" symbol means the storage is full |
Data access | "MR" symbol indication when viewing data |
overflow display | "OL" symbol indication when overrange overflow |
interference test | Automatically identify interference signals, and the "NOISE" symbol indicates when the interference current is large |
Alarm function | When the measured value exceeds the alarm setting value, an alarm prompt will be issued |
battery voltage | Real-time display of battery power, reminding to charge in time when the battery voltage is low |
Automatic shut-down | "APO" instruction, automatically shut down after 5 minutes of power on |
Power consumption | 50mA Max |
quality | Meter: 1180g (including battery) |
Working temperature and humidity | -10℃～40℃; below 80%rh |
Storage temperature and humidity | -20℃～60℃; below 70%rh |
Insulation resistance | Above 20MΩ (500V between circuit and case) |
Pressure resistance | AC 3700V/rms (between circuit and case) |
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); |
