Digital/Analog Megohmmeter with Automatic DAR/PI, 5000V Max Test Voltage

Function

Two three four-wire measure grounding resistance, soil resistivity;

Ground voltage, AC voltage measurement

Range

Grounding resistance: 0.00Ω~30.00kΩ

Soil resistivity: 0.00Ωm~9999kΩm

Grounding voltage: 0.00V~100.0V

measurement mode

Precise four-wire, three-wire measurement, simple two-wire measurement

Measurement methods

Grounding resistance: rated current change pole method

Soil resistivity: four-pole method

Ground Voltage: Average Rectification(between S-ES interface)

Test frequency

128Hz

Short circuit test current

> 20mA (Sine Wave)

Open circuit test voltage

AC 28V max

Electrode spacing range

Can be set 1m ~ 100m

Change gear

fully automatic shifting 0.00Ω ~ 30.00kΩ

fully automatic shifting 0.00 Ωm~9000kΩm

Backlight

Controllable gray screen backlight, suitable for use in dim places

Display mode

4-bit large LCD display, gray screen backlight

Measurement instructions

LED flashing indicator during measurement

LCD size

111mm×68mm

LCD display field

108mm×65mm

Instrument size

L/W/H:277.2mm×227.5mm×153mm

Standard test line length

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

Simple test line

2strips:yellow 1.6m,green 1.6m each one

Auxiliary Grounding rod

4PCS:φ10mm×200mm

Power consumption

Standby: 40mA Max(Backlight off)

Turn on backlight: about 43mA

measuring:75mA Max(Backlight off)

Weight

Instrument: 2450(including battery)

Test lines:1300g

Auxiliary grounding rod: 850g(4PCS)

Working temperature and humidity

-10℃~40℃;below 80%rh

Storage temperature and humidity

-20℃~60℃;below 70%rh

Overload protection

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

Insulation resistance

More than20MΩ(500V between circuit and housing)

Pressure resistance

AC 3700V/rms(between circuit and housing)

Electromagnetic properties

IEC61326(EMC)

Suitable for safety regulations

IEC61010-1(CAT Ⅲ 300V,CAT IV 150V,pollution level

 2);

IEC61010-031;

IEC61557-1(grounding resistance);

IEC61557-5(soil resistivity);

JJG 366-2004.

Instrument

1PC

Instrument Box

1PC

Auxiliary grounding rod

4PCS

Standard test line

4 Strips(red 15m;yellow 10m;green 10m;black 15m, each one)

Simple test line

2 Strips(yellow 1.6m;green 1.6m)

6VLead-acid battery (internal)

1PC

Charger

1PC

Monitoring software CD

1PC

USB communication line

1PC

Manual, certificate

1SET