HZ-4000 Cable Fault Tester Host 1.Sampling frequency: 30M 60M 120M 2.Test distance ... our CompanyEstablished in March 2008, HuaZheng Electric Manufacturing (Baoding) Co.,Ltd (HuaZheng Electric for short), is a new enterprise ... test class, comprehensive test class.Product IntroductionCable fault tester host, to test the HV arcing fault of cable, earthing ... within a week. HZ-4000 Cable Fault Tester Host