Product description 120KV 10ma DC Cable Test System is an important equipment for DC voltage withstand test and leakage current test of HV electrical equipments, cables, surge arresters in electriv industry and power supply departments. 120KV 10ma DC Cable Test System is developed based on the calibration made by National HV Meterage Station, it accords with the standard "Generation Requirement of Portable HVDC Generator"(ZGF 24003-90) Technique Index 1. power: AC220V+10%, 50Hz+1% 2. Output voltage indicator accuracy: