电缆探伤测试仪是以不破坏电缆原有结构为前提的局部放电法为基础进行探伤测试．能够简便而准确地探测到电缆内部短路、断路损伤部位，而且又兼有修复后进行交、直流耐压，泄漏电流的测试功能，是当前煤矿电缆维修工作的较为理想设备。%Cable inspection is testing the cable without damaging the cable, which can test the internal short circuit and lo- cation the injury simple and accurately. The device also has the functions of testing AC/DC withstand and leakage current measurement. The cable inspection device is the ideal equipment of coal mine cable repairing.
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