Earth Resistance(R)

Range:0.00Ω~30.00Ω          Resolution:0.01Ω         Accuracy:±2%rdg±3dgt

Range:30.0Ω~300.0Ω          Resolution:0.1Ω          Accuracy:±2%rdg±3dgt

Range :300Ω~3000Ω            Resolution:1Ω            Accuracy:±2%rdg±3dgt

Range:3.00kΩ~30.00kΩ        Resolution:10Ω           Accuracy:±4%rdg±3dgt

Earth Voltage

Range:AC 0.0~600V             Resolution:0.1V          Accuracy:±2%rdg±3dgt

Soil Resistivity(ρ)

Range:0.00Ωm~99.99Ωm        Resolution:0.01Ωm

Accuracy:According to the precision of R

(ρ=2πaR, a:1 m-100m, π=3.14)

Range:100.0Ωm~999.9Ωm       Resolution:0.1Ωm

Range:1000Ωm~9999Ωm         Resolution:1Ωm

Range:10.00kΩm~99.99kΩm     Resolution:10Ωm

Range:100.0kΩm~999.9kΩm     Resolution:100Ωm

Range:1000kΩm~9000kΩm       Resolution:1kΩm

Power Supply

DC 7.4V 2600mAh rechargeable lithium battery

Measuring Method

Earth Resistance: rated current change-pole method, measurement current 20mA Max

Soil Resistivity: Wenner 4-pole measurement

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

Test Frequency

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

Test Voltage Wave

Sine wave

Short-circuit Test Current

AC 20mA max

Open-circuit Test Current

AC 40V max

Data Storage

300sets

Data Hold

Data hold function: “HOLD” symbol display

Data Access

Data read function: “READ” symbol display

Overflow Display

Exceeding measuring range overflow function: “OL” symbol display

LCD Dimension

LCD Frame Dimension: 128mm×75mm; LCD Display Dimension:124mm×67mm

Tester Dimension

280mm(L)×260mm(W)×160mm(H)

Weight

Total Weight:4765kg(with package)

Testing Wires

Six wires: each for Red 20m, black 20m, yellow 10m, green 10m, red 1.6m, black 1.6m

Auxiliary Earth Rod

4PCS:φ10mm×150mm

USB interface

USB interface,software supervision, storage data can be uploaded to computer, saved and printed;data transmission line length:1.5m

Alarm Function

Measuring value exceeds alarm setting value, will "Toot-toot-toot" alarm hint

Auto Power-off

15 Minutes after power on, will outage and automatic power off

Overload Protection

Measuring earth resistance: between each interfaces of C(H)-E,P(S)-ES, AC 280V/3 seconds

Interference Test

Automatic recognition of interference signal , interference voltage higher than 5V will display  “NOISE” symbol

Auxiliary Grounding Test

Auxiliary earth resistance test function: 0.00kΩ~30kΩ(100R+rC<50kΩ,100R+rP<50kΩ)

Protection Level

IP65(close the case status)

Battery Voltage

While battery voltage decreases to around DC7.2V±0.1V, will display battery voltage low symbol and reminding to replace the battery

Working current

System standby: around 20mA (Backlight shut off);  Power on: 45mA(backlight shut off at 25mA); Measurement:100mA (Backlight shut off)

Accessories

Tester:1PC; Earth Rod:4PCS;  Testing Wire:4PCS; Simple testing wire:2PCS; USB data transmission line:1PCS; Software disk:1PCS; Tester bag:1PCS; Special charger:1PCS