100A Contact Resistance Tester

Contact resistance meter is a professional loop resistance testing instrument tailored for switch control equipment. Adopting high-frequency switching power supply and digital circuit technology, it supports selectable DC 50A/100A test currents (compliant with national standards) and offers a measurement range of 0-50mΩ. With a 7-inch TFT LCD color screen, it integrates data storage, printing, and export functions, featuring stable performance, high accuracy, and easy operation-ideal for on-site maintenance and factory testing of high-voltage switches.

JH1006A Loop Resistance Tester is a high-performance micro-ohm measuring device engineered to meet the strict requirements of power supply departments and high-voltage switch manufacturers. Its ergonomic operation panel conforms to user habits, ensuring intuitive operation even for on-site technicians.
Equipped with advanced measurement technology, the instrument achieves a minimum resolution of 0.001μΩ and a high measurement accuracy of ±(reading×0.5%+1μΩ), enabling precise measurement of loop resistance under strong interference. The test current is switchable between 50A and 100A, and the testing time can be customized from 10 to 600 seconds to adapt to different application scenarios. It supports storing up to 100 sets of measurement data, which can be conveniently exported via USB or printed on-site for documentation and archiving.
Powered by an AC 180-240V 50Hz/60Hz power supply, the tester weighs approximately 7kg (excluding cables) with a compact volume of 420mm×340mm×200mm, making it easy to transport and use on-site. It operates stably in environments with temperatures ranging from -10℃ to 50℃ and relative humidity ≤90%, outperforming many imported high-current micro-ohmmeters in terms of reliability and cost-effectiveness. Whether for on-site maintenance of high-voltage switches or factory quality inspection, JH1006A provides efficient and accurate loop resistance measurement solutions.