Electric digital earthing ground resistance meter digital earth resistance tester electric clamp earth resistance meter

Model

ETCR3200C Double Clamp Grounding Resistance Tester

2/3/4 pole Method Measure Grounding 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~30kΩ;          Resolution:10Ω;        Accuracy:±4%rdg±3dgt

Selection Method Measure Grounding 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

Earth Voltage

Range:0.0~100V AC;          Resolution:0.1V;        Accuracy:±2%rdg±3dgt

AC current

Range:0.00mA~600.0A        Resolution:0.0mA;      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

Measurement Method

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

Selection method measurement: Change-pole method, measure current 20mA Max

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

Soil Resistivity: Wenner 4-pole measurement method

Voltage to ground: Average rectification(between P(S)-ES interface)

AC current: Clamp mutual inductance method

Power Supply

DC 7.4V 2600mAh rechargeable lithium battery

Test Frequency

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

Short-circuit Test Current

AC 20mA max

Open-circuit Test Current

AC 40V max

Data Storage

2000 groups

Test Voltage Wave

Sine wave

Data Hold

Data hold function: “HOLD” symbol display

Data Access

Data access function: “READ” symbol display

Overload Display

Exceed measure range overflow function: “OL” symbol display

Current Clamp

Caliber:φ68mm;Connecting line:2M

Tester Dimension

280mm(L)×260mm(W)×160mm(H)

LCD Dimension

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

Total Weight

6690g(include package)

Test Wires

Red 20m, black 20m, yellow 10m, green 10m, red 1.6m, black 1.6m (total 6 pcs wires)

Working Current

Standby: around 45mA (Backlight close 25mA); Measurement:100mA (Backlight close)

Auxiliary Ground Rod

4PCS:φ10mm×150mm

USB Interface

With USB interface,software monitoring, storage data can be uploaded to computer, saved and printed

Interference Test

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

Auxiliary Grounding Test

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

Alarm Function

Measure value exceed alarm setting value, will "Toot-toot-toot" alarm indication

Battery Voltage

While battery voltage decreases to around DC 7.2V±0.1V, will display low battery voltage symbol“”, and remind to replace the battery

Overload Protection

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

Protection Level

IP65(close the case status)

Accessories

Tester:1PC;Current Clamp Sensor:2pcs; Ground Rod:4PCS;  Testing wires:6PCS; USB data transmission cable:1PCS; Software CD:1 COPY; Tester bag:1PCS; Special charger:1PCS