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Digital Earth Resistance Tester DER-II

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Application:
This tester is applicable to test earth resistance of all kinds of devices and Conductor resistance of low resistance in electric power, post,oil,chemistry,communication,mine industry and so on..It also can test resistance rate of soil and voltage to earth.

Technical parameters:

Range

Constant Current Value

Precision and Error

Resolution

Additional

0-1.999Ω

2-19.99Ω

20-199.9Ω

AC:0-19.99V

10mA

10mA20Ω

1mA200Ω

<±(10%+1d)

0-0.2Ω<±(3%+1d)

0.2-199.9Ω

<±(1.5%+1d)

1-20V<±(3%+1d)

0.001Ω

0.01Ω

0.1Ω

0.01V

Rc:2Ω 20Ω/

<1KΩ

200Ω/<10KΩ

Rp:<50KΩ

Error:< ±5%

Power Consumption

Earth Voltage

Humidity

≤85%RH

Power Supply

Weight: <1.8Kg

≤2W

<5V,<±5%

Temperature

0℃-40℃

7.2-9V DC or 220V AC

Size: 

200×200×110

(mm3)