Types of level sensors

1. Liquid Level Transmitters
Liquid Level Transmitters detect levels of liquids. Liquid level transmitters also detect interfaces between liquids such as oil and water. You will find liquid-level transmitters in storage,

Types of level sensors

1. Liquid Level Transmitters
Liquid Level Transmitters detect levels of liquids. Liquid level transmitters also detect interfaces between liquids such as oil and water. You will find liquid-level transmitters in storage, transport, and water storage tanks. These transmitters measure the level by measuring the head pressure of the liquid.

2. Ultrasonic Level Transmitter
Ultrasonic transducers mounted at or near the top of a container use an ultrasonic pulse. The pulse hits the surface of the liquid and reflects. The sensor then calculates the fill level based on the time between the transmitted and received signal.

3. Capacitance Level Transmitters
The principle of capacitive level measurement is based on a change in capacitance. An insulated electrode acts as one capacitor plate, and the tank wall acts as the other plate. The capacitance depends on the fluid level. An empty tank has a lower capacitance, while a filled tank has a higher capacitance.
By measuring the variations in capacitance, the transmitters calculate the fill level of the tank.

4. Hydrostatic Level Transmitters
A hydrostatic level sensor measures the hydrostatic pressure in a liquid at a pre-determined depth. Hydrostatic level sensors measure fluid levels by the pressure of the resting body of the fluid within the vessel. The greater the force of liquid, the greater the volume of fluid.

5. Magnetic Level Transmitters
These transmitters use a magnetic object suspended in a buoyant float. This transmitter is suitable for continuous measurement due to the rise and sink of the float based on the liquid level. Utilizing a combination of proven buoyancy principles with the benefits of magnetism, magnetic-level transmitters can fit almost any process.

6. Radar Fill Level Transmitters
These transmitters work on the principle of radar based on electromagnetic waves at a range of 10GHz under microwave X-band bandwidth. Mounted at the top of a tank filled with a liquid, the transmitter sends a radar signal into the liquid and receives a reflection of the signal. The transmitter then analyzes the current fill level of the tank based on the time the transmitted signal takes to return.

https://www.pressuressensors.com/level-transmitters/contactless-level-transmitters/

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