Water tank water level alarm circuit diagram

Published:2011/9/15 2:04:00 Author:Rebekka | Keyword: Water tank water level alarm | From:SeekIC

The insulator is stalledinto the lid of water tank. The insulator should suffer 0.717X10-4kg/m2 pressure from water tank. Metal probe passing the insulator is put into the liquid of water tank in the high temperature tube. There is small holes near to the one end of water tank lid. It can make the liquid rise in the tube and reach the probe. When the water level falls lower than the probe, the collector potancial of clad pipe Q2 rises and turns on the diode. The alarm M1 light will be lit.



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