Specification

Function

4-pole, 3-pole ,2-pole, selection, double   clamp method measure grounding resistance,

Soil Resistivity;

Earth Voltage,

AC Voltage,

AC Leakage Current

Parameters

Range

Accuracy

Resolution

Selection Method

(0.00Ω-3000Ω)

0.00Ω-30.00Ω

±2%rdg±3dgt

0.01Ω

30.00Ω-300.0Ω

0.1Ω

300Ω-3000Ω

1Ω

Double Clamp Method

(0.00Ω-9000kΩ)

0.01Ω-1.00Ω

±10%rdg±5dgt

0.1Ω

1.0Ω-10.0Ω

0.01Ω

10Ω-100Ω

1Ω

2/3/4 Pole Method

(0.00Ω~30.00kΩ)

0.00Ω~30.00Ω

±2%rdg±3dgt

0.01Ω

30.0Ω~300.0Ω

0.1Ω

300Ω~3000Ω

1Ω

3.00kΩ~30.00kΩ

±4%rdg±3dgt

10Ω

Soil Resistivity

(0.00Ω~9000kΩ)

0.00Ωm~99.99Ωm

According   to the precision of R

(ρ=2πaR

a:1   m-100m,

π=3.14)

0.01Ωm

100.0Ωm~999.9Ωm

0.1Ωm

1000Ωm~9999Ωm

1Ωm

10.00kΩm~99.99kΩm

10Ωm

100.0kΩm~999.9kΩm

100Ωm

1000kΩm~9000kΩm

1kΩm

Earth Voltage

0.0V~100.0V

±2%rdg±3dgt

0.1V

AC Current

0.00mA~600A

±2%rdg±3dgt

0.01mA

Measuring Mode

Precise 4-pole measurement,

3-pole measurement,

simple 2-pole measurement,

selection method,

double clamp method

Measuring Method

2/3/4 pole method: change-pole method,   measurement current 20mA Max

Selection method: change-pole method,   measurement current 20mA Max

Double clamp method: disconnect mutual   inductance method, measurement current 1mA Max

Soil Resistivity: 4-pole measurement   (Wenner method)

Earth Voltage: average   rectification(between P(S)-ES)

AC current: mutual inductance method

Test Frequency

128Hz/111Hz/105Hz/94Hz(AFC)

Short-circuit   Test Current

AC 20mA max

Open-circuit Test   Current

AC 40V max

Test Voltage Wave

Sine wave

Electrode   Distance Range

1m-100m

Features

Operation Way

Auto Range

Backlight

√

Display

4-digital large LCD ,124mmx67mm

Clamp Size

Φ68mm

Measuring   Indicator

LED flash / LCD countdown / analog bar

Sampling Rate

Voltage to ground: 2 times/s

Current to ground: 2 times/s

Earth resistance, soil resistivity: 5   seconds/time

Measuring Times

Over 5000 times (Short-circuit test,   interval time should be at least 30 seconds)

Interface

RS232

Data Storage

2000 groups

Data Hold

√

Over range   indication

“OL”    display

Interference Test

Automatically, interference voltage > 5V   : “NOISE”  display

Auxiliary Earth   Test

Can measure auxiliary earth resistance,   0.00KΩ-30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ)

Alarm

√

Low Battery   Indication

√

Auto Off

15minutes idle

Working Condition  

-10℃-40℃, < 80%RH

Storage Condition  

-20℃-60℃, <70%RH

Insulation

Over 20MΩ (between circuit and enclosure it   is 500V)

Withstanding   Voltage

AC 3700V/rms. (Between circuit and   enclosure)

Electromagnetic   Features

IEC61326(EMC)

Safety

IEC61010-1 (CAT Ⅲ 300V,CAT   IV 150V,Pollution 2), IEC61010-031,   IEC61557-1 (Earth resistance), IEC61557-5 (Soil resistivity), JJG 366-2004

General Information

Power Supply

R14S 1.5V 6 PCS

Product Size

215mm×190mm×95mm

Product Weight

Total weight: 8.0kg (including package)

Tester: 1653g (including battery)

Testing wires: 1560g

Auxiliary earth rods: 935g (4pcs)

Standard   Accessories

Clamp x2pcs , Manual x 1pc , Test Wires (red   20m, black 20m, yellow 10m, green 10m) ,Short Test leads (red 1.6m , black   1.6m) , Earth Rod (Φ10mm×150mm)x4pcs , RS232 Cable + Software CD x 1pc , Tool   Case x 1pc