shvtd-5 & 3, digital high voltage break down tester, input supply-230v ac, output-0~5 kv & 0~3 kv optional. Settable leakage current-3~30mamp max. Voltage & current display, sound indication at trip, with hv probe, or as per your required. shvt...
These are designed for checking the quality of PVC or rubber or XLPE or teflon coated wires during manufacturing at shop floor. The coated wire is passed through brass ball chains which carry high voltage. Costly raw material, more demanding end users faster production speeds...