Description
FT836Xserial two wire Ultrasonic level system could be used in most liquid applications. It consists of one electronic unit with one enclosure and one sensing element. FT836X ultrasonic product is a non-contact instrument suitable for many kinds of continuous level measurement.
Operation Principle
Ultrasonic sensor translates the electrical pulse as sound energy and emit out, when the sound reaches the material surface, it will be reflected back. Then the sensor collects the feedback energy transfer it as the electrical signal to analyse. The time interval from the sending to receiving of the ultrasonic pulse (transmit as sound rating) is directly proportional to the distance between the sensor to process material surface. The relationship between the distance(S), sound rating（C）and the transmission time(T) could be indicated as: S=C×T/2.
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