Wireless transmission micro-water density transmitter

The utility model discloses a wireless transmission micro-water density transmitter, which relates to the technical field of micro-water density transmitters and comprises an outer protective shell, a control mechanism is arranged above the outer protective shell and comprises a fixing box and a limit frame, the fixing box is fixedly connected to the outer surface of the outer protective shell, and the limit frame is fixedly connected to the outer surface of the outer protective shell. A sliding rod is slidably connected to the inner wall of the fixing box, a handle is fixedly connected to the end, away from the outer protective shell, of the sliding rod, and the outer surface of the sliding rod is sleeved with a first spring. Through cooperative arrangement of the outer protection shell, the control mechanism, the fixed seat and the protection cover body, the protection cover can be installed on the micro-water density transmitter without adopting a threaded connection mode. Therefore, the situation that the