Level Measurement Transmitter | Electronic Level Transmitter Types Operating Principles

A level measurement transmitter or sensor is an instrument used to determine the level of liquid or bulk solid at a particular time. The level transmitter provides an electrical output proportional to the level of a liquid, or bulk solid in a confined space.
There are two main classifications of level transmitters:
Point level transmitter and Continuous level transmitter.
Point level transmitters are designed to indicate whether the liquid has reached a specific point, while continuous levels are used to render precise liquid level measurements.
Types of level transmitters include:
1. Hydrostatic level transmitter:
Measures the hydrostatic pressure which is proportional to the measured liquid height.
2. Magnetic level transmitter:
Creates a compacting magnetic field to generate a signal corresponding to liquid level.
3. Capacitance level transmitter:
Measures the change in capacitance that occurs as the tank level changes.
4. Ultrasonic level transmitter:
Measures the time between sound energy transmitted from the sensor, to the surface of the measured material and the echo returning to the sensor.
5. Guided microwave level transmitter:
Uses the principle of Time Domain Reflectometry (TDR).
6. Radar Level transmitter:
Measures the distance by measuring the time of flight of a traveling wave.
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[@balajibalaji9998]

Good video

[@oluyemibalogun876]

Good day, we are in the process of developing a range of level measurement product and would appreciate your reference and know how you can assist in this area

[@chingsj3799]

I wish to highlight the difference between a "transmitter" and a "switch".