Grounding resistance tester's metrological verification device

The utility model discloses a grounding resistance tester's metrological verification device, the power distribution box comprises a box body, the top of box has set gradually electric current displayscreen, voltage display screen and computer display from a left side to the right side, the top of box and the below that is located electric current display screen, voltage display screen are provided with first terminal, the left top of box is provided with the resistance box, left top of resistance box and bottom all are provided with the second terminal, there is storage disc the left bottomof box through pivot swing joint. The utility model discloses can detect grounding resistance tester's electric current, resistance and voltage to through showing that screen display demonstrates, this electric current, resistance and voltage detector table are by box inside computer control, and through fitting together a plurality of detecting instrument, the operator of being convenient for operates a plurality of instr