Full Tank Alarm (1)

Published:2011/6/27 3:41:00 Author:Sue | Keyword: Full, Tank, Alarm | From:SeekIC

When the water level doesn't reach the set level, the resistance value between A and B is large. V1 is disconnected and the alarm circuit doesn't work. VL is not illuminated and HA doesn't make a sound. When water reaches the set level, V1-V4 are connected and VL is illuminated. HA makes an alarm sound. When the distance between A and B is changed, the alarm water level can be changed.



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