Switch Loop Resistance Tester Darui Electric recommends：
Switch Loop Resistance TesterLoop (Contact) Resistance Tester uses advanced high-power switching power supplyand sophisticated electronic circuitry.It is a specialized tester for contact resistance of high/low voltage switches, cables, wires, and welded joints. Its current adopts the 100A DC recommended by national standard GB736, enabling resistance measurement under 100A current. The instrument features compact size, light weight, strong anti-interference capability, high precision, easy operation, and comprehensive protection.Switch Loop Resistance Tester
Technical Parameters:
Input: AC220V±20%, 50Hz. Output: DC 0-100A adjustable. Test current: DC 100A. Accuracy: 1.0. Resolution: 1μΩ. Range: 0-1999μΩ.
Overcurrent, overvoltage, overheat protection.
1. Measurement Range: 1~1999μΩ.
Resolution: 1μΩ
3. Test Current: DC 100A.
4. Accuracy: 0.5%±1d.
5. Display: 3½-digit LCD (dual screen).
Power: AC220V±10%, 50Hz
Operating Instructions:
Use 4-terminal method with dedicated test leads. Connect voltage leads inside current leads. Connect AC220V power.CautionAfter test: turn current to minimum, reset switch, cut power.
Note: The above information and technical parameters are compiled and published by Yangzhou Darui Electric Co., Ltd.
