supply of transformer oil testing kit (bdv)transformer oil testing kit (bdv),transformer oil testing kit (bdv) 1 kva/0-100 kv range motorized cum manual type (digital) for measuring break down voltage /dielectric strength of insulating oil used in transformer/other switchgears with complete accessories (test equipment, oil test vessel with mushroom electrode assembly, 2.5 mm go-no-go gauge, main ac cable of suitable length. user manual with test and warranty certificates. technical specification: input power ac 220-250v/ 50 hz, output: 0-100 kv ac, trip current: max10-20 ma, operating temp: 10 to 50 degrees centigrade, humidity: => limited