WATER－LEVEL_INDICATOR

Published:2009/7/1 0:40:00 Author:May | From:SeekIC

In this a waming device WD1 is in series with SCR1. When the liquid level causes a conductive path between the probes, the SCR conducts sounding WD1. The waming device may be a Sonalert (TM), a lamp or a buzzer.D1 acts as a transient suppressor. Press S1 to reset the circuit.



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