Online microwave moisture meter capable of automatically adjusting channel according to coke moisture range

The utility model relates to the field of analytical instruments, and discloses an on-line microwave moisture meter capable of automatically adjusting a channel according to a coke moisture range, the on-line microwave moisture meter comprises an instrument component and a wire component, the instrument component comprises a machine body, the front surface of the machine body is provided with a control module, and the top end of the machine body is provided with an analysis module; the wire guiding component comprises a connecting plate fixed to the back face of the machine body, a connecting column is fixed to the top end of the connecting plate, the connecting column is rotationally sleeved with a vertical winding roller, the winding roller is used for winding a wire, and a fixing mechanism used for fixing the winding roller is arranged on the connecting plate. The two sides of the machine body are both connected with the sleeves in a clamped and sliding mode through the sliding grooves, the sleeves are use