Float (liquid level)
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Liquid level floats, also known as float balls, are spherical, cylindrical, oblong or similarly shaped objects, made from either rigid or flexible material, that are buoyant in water and other liquids
A float ball (in orange color)
Level sensor
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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 ess
Ultrasonic level sensor used in a water treatment plant
Magnetoresistive level sensor
Capacitive sensors NOG