Wuhan Wugao Electric Measurement Co., Ltd

WDCR - 2000 Ground Tester(Clamp Earth Resistance Tester)

Clamp Earth Resistance Tester is a major breakthrough in traditional grounding resistance measurement. It is widely used in the grounding resistance measurement of the power, telecommunications, meteorology, oilfield, construction and the industrial and electrical equipment. In the measurement of a grounding system with loop, does not require breaking down the grounding down lead, and no need the auxiliary electrode. It is safe, fast and simple in use. 

In addition, the 1000Ω&30A type Clamp Grounding Resistance Tester is also able to measure the leakage current and the neutral current in the grounding system.

Products Inquiry

Product Details

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2.1. Series Model 

Model

Jaw Size (mm)

Resistance Range  (Ω)

Current Range (A)

Data Storage

Alarm Function

1000Ω

55×32

1000Ω

--

99 groups

Yes

200Ω

55×32

200Ω

--

99 groups

Yes

1000Ω&30A

55×32

1000Ω

0--.30A

99 groups

Yes

2.2. Ranges & Accuracy 

Mode

Range

Resolution

Accuracy

Resistance Range

0.010Ω-0.099Ω

0.001Ω

±1%0.01Ω

0.10Ω-0.99Ω

0.01Ω

±1%0.01Ω

1.0Ω-49.9Ω

0.1Ω

±1%0.1Ω

50.0Ω-99.5Ω

0.5Ω

±2%0.5Ω

100Ω-199Ω

±3%

200Ω-395Ω

±6%

400-590Ω

10Ω

±10%10Ω

600Ω-1000Ω

20Ω

±20%20Ω

Current Range

0.00mA-9.95mA

0.05mA

±2.5%1mA

10.0mA-99.0mA

0.1mA

±2.5%5mA

100mA -299mA

1mA

±(2.5%+10mA

0.30A-2.99A

0.01A

±2.5%0.1A

3.0A-9.9A

0.1 A

±2.5%0.3A

10.0A-19.9A

0.1 A

±2.5%0.5A

20.0A-30.0A

0.1 A

±3%1A

2.3. Technical Specifications

Power Source: 6VDC (4pcs 5# alkaline battery)

Working Temperature: -10 ° -55 ° C

Relative Humidity: 10%-90%

LCD: 4-digital LCD, 47mm (L) × 28.5mm (W)  

Meter Size: 275mm (L); 85mm (W); 56mm (H)

Meter Weight (including batteries): 1130g

Protection Level: Double insulation

Structural Feature: Clamp and jaw type

Range Shift: Automatic

External Magnetic Field: 40A/m

External Electric Field: 1V/m

Single Measuring Time: 0.5 second

Measurement Resistance Frequency: 1KHz

Maximum Resistance Measurement Resolution: 0.001 Ω

Resistance Measurement Range: 0.01-1000 Ω

Current Measuring Range: 0-30A(1000Ω&30A type)*

Measured Current Frequency: 50/60Hz

Storable Measurement Data: 99 groups 

Setting Range of Resistance Alarm Critical Value: 1-199 Ω

Setting Range of Current Alarm Critical Value1-499mA(1000Ω&30A type)*

Note: with "*" item is limited to 1000Ω&30A type


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