1.The test current is large, which fully meets the requirements of the national standard for testing contact resistance.
2.The test current comes from the high-precision 100A switch type constant current power supply, without manual adjustment, and the test is rapid and accurate.
3.The four terminal wiring method is adopted to effectively eliminate the influence of the test line resistance on the test results.
4.Fast test speed, long-time operation, with overheat protection circuit, the instrument is reliable and stable.
5.Easy operation and light weight.
