Pressure-resistance type liquid level transmitters

The utility model relates to a pressure-resistance type liquid level transmitter, which can convert a measured liquid level signal in an opening container into a standard voltage signal or a current signal to be output. The utility model is composed of a pressure sensor, a water guiding head, a shell cap, an amplifying circuit board and an output cable, wherein, the pressure sensor is positioned in a base; the water guiding head is connected with one end of the base; the shell cap is connected with the other end of the base; the amplifying circuit board is positioned in the shell cap and is connected with the pressure sensor; the output cable is connected with the amplifying circuit board. The utility model has the advantage of totally enclosed structure, easy and reliable installation, stable and accurate measurement, and high precision. The utility model facilitates field use and automation control.