For automatically testing Insulation oil's dielectric strength, i.e. BDV. As well as printing out the result automatically. For automatically testing Insulation oil's dielectric strength, i.e. BDV. As well as printing out the result automatically. Optional features include:· Testing range 60KV or 80KV or 100KVTechnical Specifications: Input SupplyAC220V ±10% , or AC110V ±10%, 50HZ/60HZ, single ...