Full-automatic spare power automatic switching device calibrator

The utility model discloses a full-automatic spare power automatic switching device calibrator comprising a housing and a panel, the panel is provided with a display screen, a switching value and analog quantity input/output terminal, a control button and an indicating lamp, and the housing is internally provided with a microcontroller. The microcontroller is respectively connected with the switching value input conversion circuit, the switching circuit, the signal switching circuit, the display screen, the anti-shake circuit and the power supply module; the switching value input terminal is connected with a built-in switching value input conversion circuit; the analog quantity input terminal and the analog quantity output terminal are connected through a switching circuit; the switching value output terminal is connected with the signal switching circuit; the control button is connected with the anti-shake circuit; the indicating lamp is connected with the microcontroller; the power supply module is respecti