China Smart Sensor Co., Ltd.

Level Sensors

A level sensor (also known as a hydrostatic level gauge, level transmitter, level sensor, or water level sensor) is a pressure sensor that measures the level. The static pressure input type liquid level transmitter (level gauge) is based on the principle that the measured hydrostatic pressure is proportional to the height of the liquid. It adopts foreign advanced isolated diffusion silicon sensitive components or ceramic capacitor pressure sensitive sensors, which will be static. The voltage is converted into an electrical signal, which is then converted into a standard electrical signal (generally 4 to 20 mA / 1 to 5 VDC) through temperature compensation and linear correction.

From the perspective of contact, the liquid level sensor is mainly divided into two categories, the first type is contact type, including single flange static pressure / double flange differential pressure level transmitter, float type liquid level transmitter, Magnetic level transmitter, input level transmitter, electric inner float level transmitter, electric float level transmitter, capacitive level transmitter, magnetostrictive level transmitter, Servo level transmitter, etc. The second category is non-contact, which is divided into ultrasonic liquid level transmitter, radar liquid level transmitter, etc.


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