supply and commissioning of transformer oil testing kit (bdv) 1kva/0-100kv 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 2.5mm go-no-go gauge main ac cable of suitable length user manual with test and warranty certificates) technical specification as: input power: single phase ac 220-250 v/50 hz output: