Product Overview

In compliance with the requirements specified in the new preventive test code for electrical power equipment, this instrument is dedicated to the contact resistance test of various switchgear. The test current shall be not less than one hundred amperes (100A), and the duration of continuous current application must be no less than one minute (1 min). It is also suitable for the resistance testing of busbars, weld joints, wires and cables.

Performance Features
★ Adopts constant current output; the instrument has a high output current and is lightweight;
★ Protective circuit for strong reliability;
★ Features a one-minute test function to meet specified testing requirements;

Technical Parameters
☆ Output Current: 100/200A
☆ Operating Mode: Timed operation or continuous operation
☆ Measurement Range: 100A: 0～50mΩ    200A: 0～10mΩ
☆ Resolution: 0.1μΩ
☆ Measurement Accuracy: ±(0.5%+3 digits)
☆ Ambient Temperature: -10℃～50℃  ≤85%RH
☆ Power Supply: AC 220V±10%  50±1Hz

Troubleshooting
1. Operators should possess general knowledge of electrical equipment and instruments;
2. After testing, press the reset button and turn off the power switch. Note: It is strictly forbidden to connect or disconnect test cables while the power is on;
3. If the instrument malfunctions, first press the reset button to reset the instrument;
4. Instrument repair must be performed by qualified technicians; do not attempt to repair it yourself;
5. This instrument is used for measuring circuit resistance and is not suitable for measuring inductive circuits;