WDHL-200 Loop (Contact) Resistance Tester

200A circuit resistance tester s suitable for testing the contact resistance value of the main contacts of high and low voltage switches, the DC resistance value of high and low voltage cable lines, etc. The loop resistance tester uses a 200A constant current output, and can use a thin test line with a thinner cross-section, which reduces the labor intensity of the field testers. The test data is displayed by a dot-matrix LCD with backlight, which is suitable for different working environments.

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Product Details

I. Features

●Using constant current output, the open circuit voltage reaches 10V;

●The instrument has large output current and light weight;

●It has perfect protection circuit and strong reliability;

●It has the function of setting test time and test current to meet the specified requirements.

II.Technical parameters

Output current 100A, 200A optional

Open circuit voltage 10V

Measurement time 5S, 15S, 30S, 45S, 60S optional

Measurement range 0～19.99mΩ

Resolution 0.1 uΩ

Measurement accuracy 0.5%

III. Conditions of use

Ambient temperature -10℃～50℃

Ambient humidity ≤85%RH

Working power AC220V±10

Power frequency 50±1Hz

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