The LC20 modular level switch system enables users to easily build sophisticated systems to monitor liquid levels and to control alarms and pumps. The system is very flexible and can be used with PVC, stainless steel, or copper tubes and can be easily adjusted, added to, or serviced.
A number of compact, highly weatherproof sensing heads are positioned along a vertical riser pipe that is attached to the side of a tank. The riser pipe is made from a length of standard 20mm PVC, stainless steel, or copper tube.
Liquid level rising and falling in the tank and in the riser pipe, carries a small magnetic float through the sensor heads and provides a series of switching points that can be used for a multitude of level control and sensing applications.
Typical uses include water treatment equipment, beverage, cosmetics and pharmaceutical manufacture, chemical metering systems, water features and a vast variety of mechanical services and process control applications.
A typical system comprises a tank with an externally mounted balance pipe, or riser pipe alongside. The riser pipe is connected to the base of the tank and is constructed from standard pipe and fittings. Liquid level in the tank maintains an equal level in the riser pipe.
As the level of liquid in the tank changes so does the level in the adjacent riser. A small float containing a magnet rides up and down within the riser pipe, and is carried through the sensor heads, causing them to sequentially switch.
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