LEVEL METER
Level sensors detect the level of liquids and other fluids and fluidized solids, including slurries, granular materials, and powders that exhibit an upper free surface. Substances that flow become essentially horizontal in their containers (or other physical boundaries) because of gravity whereas most bulk solids pile at an angle of repose to a peak. The substance to be measured can be inside a container or can be in its natural form (e.g., a river or a lake).
Ultrasonic Level Meter
Ultrasonic level sensors work by the "time of flight" principle using the speed of sound. The sensor sends pulses toward the surface and receives echoes pulses back.
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Float Level Meter
The principle of float type level meter is that a float moves up and down due to buoyancy
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Capacitance Level Sensor
The principle of capacitive level measurement is based on the capacitance change of a capacitor.
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Radar Level Meter
In continuous non-contact level measurement with radar, the sensor sends microwave signals towards the medium from above.
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Pressure Level Meter
Sensing element of constant area and respond to force applied to this area by fluid pressure.
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Optical Level Sensor
An optical liquid level sensor uses an infra-red LED and phototransistor accurately positioned at the base of the sensor's tip
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