2/3/4-Wire Ground Resistance

0.00Ω～200.0kΩ

Accuracy: ±1.5%rdg±7dgt

Resolution: 0.01Ω

Soil Resistivity

0.00Ωm～9999kΩm

Accuracy: ρ=2πaR

Resolution: 0.01Ωm

Ground Voltage

0.000V～750.0V

Accuracy: ±1.5%rdg±50dgt

Resolution: 0.001V

DC Voltage

0.000V～1000V

Accuracy: ±1.5%rdg±50dgt

Resolution: 0.001V

Reference Conditions

23℃±5℃，below 75%rh

Power Supply

11.1V lithium battery (built-in), fully charged can perform over 1000 measurements in AC resistance mode

Backlight

Controllable backlight, suitable for use in dimly lit places

Test Waveform, Frequency

Sine wave, 128Hz

Auto Shutdown

"APO" indicator, automatically shuts down after 15 minutes (default). Shutdown time can be customized

Measurement Methods

Precise 4-wire, 3-wire measurement, simple 2-wire, average rectification

Alarm Function

Alarm prompt when the measured value exceeds the set alarm value

Screen Size

5 inches

Electrode Spacing Range

0.1m～100.0m

Test Leads

4 leads: red 15m, black 15m, yellow 10m, green 10m, one each

Simple Test Leads

2 leads: red 1.5m, green 1.5m, one each

Measurement Time

Ground voltage: approx. 3 times/second

Ground resistance, soil resistivity: approx. 10 seconds/time

USB Interface

Equipped with USB interface for data reading, saving recorded data, etc.

Bluetooth APP

Features remote control, real-time monitoring, data reading, etc.

Data Storage

500 sets

Overload Protection

Ground resistance measurement: AC 280V/3 seconds between H-E and S-ES ports

Auxiliary Ground Rods

4 rods: φ10mm×200mm

Auxiliary Ground Test

Auxiliary ground resistance test function, 0.00kΩ～200.0kΩ

Power Consumption

Standby: 80mA Max (backlight off) 90mA Max (backlight on)

Measurement: 120mA Max (backlight off) 130mA Max (backlight on)

Weight

Instrument: 1880g (including battery)

Test leads: 1300g (including simple test leads)

Compliant Standards

IEC61010-1(CAT Ⅲ 300V, CAT IV 150V, pollution degree 2); IEC61010-031;

IEC61557-1(ground resistance);

IEC61557-5(soil resistivity);