Liquid surface and temperature control circuit

Published:2011/8/26 3:30:00 Author:Jessie | Keyword: liquid surface, temperature control | From:SeekIC

In this circuit, if thermistor K273 reaches the setting temperature or liquid level 2's sensor no longer dipped into the liquid, then heat it by connecting the relay. It ensures there will be minimum liquid in a containerwhen heated. This circuit can also be used in spying on other liquid surface.It connectsliquid surface 1's sensor to a differential amplifier, and uses another relay contact to stop supplyingliquid when it has reached the required liquid surface, then it can remain the liquid surface.



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