Technical indicators

Functional

grounding resistance test, loop resistance test, leakage current test

range

Grounding 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 ℃, 75%rh or less

 Power supply

 DC 6V(4 no. 5 alkaline dry cells )

 Measurement method

 Mutual inductance mode

 Jaw size

 55mm×32mm

 ω + a synchronous display

Ω+ a on-screen display

 Display mode

 4 - bit LCD Display, Black Screen Design

 Liquid Crystal Display

 46mm×29mm

 Meter size

 Length, width and height: 285mm×85mm×58mm

 Measuring time

 2 times per second

 Data storage

 300 groups, " MEM" storage indication, displaying " FULL" symbol to indicate storage is full

 Data access

 The " MR" symbol indicates when looking up data

 Overflow display

 " OL" symbol indicates when over range overflows

 Interference test

 Automatic identification of interference signals, when the interference current is large, " NOISE" symbol indicates

 Alarm function

 When the measured value exceeds the alarm set value, an alarm prompt will be issued.

 battery voltage

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

 Automatic shutdown

 " APO" indicates that it will automatically shut down after 5 minutes of start up.

 Power consumption

 50mA Max

 Quality

 Instrument: 1180g ( including battery )

 Working temperature and humidity

 -10℃~40℃;  Below 80%rh

 Storage temperature and humidity

 -20℃~60℃;  Below 70%rh

 Insulation resistance

 More than 20MΩ ( between circuit and housing )

 Pressure

 AC 3700V/rms ( between circuit and housing )

 External magnetic field

<40A/m

 External electric field

<1V/m

 Suitable for safety regulations

 IEC61010-1(CAT III 300V, CAT IV 150V, contamination level 2 )

Packing list

 Instrument: 1

calibration ring: 1

 Instrument box: 1

 warranty certificate: 1

AA battery : 4

Monitoring software CD:1

USB communication line:1