Mobile electronic balance automatic calibrating device and method

The invention relates to a mobile electronic balance automatic calibrating device and method. The calibrating device comprises: an operation platform, a manipulator and a control system, wherein the operation platform at least comprises more than two stations arranged side by side, a to-be-calibrated electronic balance can be placed in each station, the manipulator at least comprises a mechanical arm, a claw clamp and a driving device, and the control system is in signal connection with the mechanical arm and the driving device; and an AGV trolley suitable for installing and transporting the manipulator and a movable door in signal connection with the control system, wherein each station at least comprises a side wall and an opening, the movable door is controlled by the door opening/closing instruction of the control system to move, the AGV trolley is controlled by the moving instruction of the control system, and the manipulator is controlled by the calibrating instruction of the control system so as to com