Insulation resistance testing device

The utility model relates to an insulation resistance testing device which comprises an instrument body, the top of the instrument body is movably connected with an instrument cover, the interior of the instrument cover is fixedly connected with an accessory bag, the top of the instrument body is fixedly connected with a display screen, the top of the instrument body is fixedly connected with a control panel, and the top of the instrument body is fixedly connected with a socket. The front face of the instrument body and the front face of the instrument cover are fixedly connected with buckles, the front face of the instrument body is movably connected with a handle, the bottom of the instrument body is movably connected with a height adjusting mechanism, and the height adjusting mechanism comprises a rod groove, a key groove, a telescopic rod, a button, a clamping block, a control block, a longitudinal spring, a base, a fan-shaped block, a horizontal spring, a bayonet and a reset spring. According to the insu