Level controller circuit

Posted on Mar 28, 2007

This circuit is used to maintain the level between two fixed points. Just transform K1 contacts off the case, it can be filling or extraction work in two ways. Load can use AC motor or solenoid-operated valve. The liquid level is detected by the two probes to achieve a metal,

Level controller circuit
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a measurement of high level. Another measure low level. Substituted Q3 control electrode of the normally open contact with the normally closed contact, you can implement the logic inversion (the container is full).

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