WATER LEVEL INDICATOR 3 LEVEL
Categories : Series 9 Generally Electronic Project ,  Measurement & Tester , 
Here is an ideal project for students in areas of low rainfall, or away from town water supplies. This easily-constructed indicator shows three levels of water in a vessel or pool using red, amber and green LEDs. The FK902 demonstrates the principle of water conductivity and shows how, by using a High and Low probes and simple logic, 3 water levels may be displayed.
Technical Specification