Liquid level transmitter, with the imported sensor and the temperature compensation of the computer laser, the integrated wiring box is used. With special terminal and digital display, installation, calibration, maintenance convenience. This series of products are adapted to the oil, water conservancy, chemical, metallurgy, electric power, light industry, scientific research, environmental protection and other enterprises and institutions, to achieve the measurement of liquid level height and suitable for all kinds of weather conditions and all kinds of corrosive fluid.