product functions：

 1. It can be used to test ground resistance, DC resistance, ground resistance, AC resistance and soil resistivity.

2. The resistance tester supports accurate test, simple test, selective test and other test methods.

3. Soil resistivity tester is made of high‑quality materials, durable and long service life.

4. After 10 minutes of starting, it will automatically shut down to save resources and power.

5. It has battery voltage prompt and overload protection function to ensure the safety of the operator.

   product specifications：

               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

     LCDFrame 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