... precision 3. High degree of intelligence Cable fault tester,to test the HV arcing fault of cable, earthing high &low resistance, short ... detector can test all types power cable (voltage class 1KV~35KV) , local cable, FM communication cable, coaxial cable, short circuit, earth, high ... of the electric wave on the cable.2. Longest measured distance: 32km (100km for open wire )3. Detection blind area: 1m4 ...