PURSE 2000

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Design and construction of an electronic water level indicator
(University of Peradeniya, 2000-12-16) Bandara, H. M. P.; Dissanayake, M. A. K. L.
The increasing availability of low cost semiconductor devices has led to the rapid proliferation of economical electronic devices applicable to all aspects of life. However. in Sri Lanka. though there is a large market for electronic devices of all types. design and development of new electronic devices remain a weak sector. For those who depend on water from an overhead tank. it is important to know the amount of water available in the tank. This is particularly important when the main water supply is not reliable. The possibility to know the amount of water in an overhead tank without having to frequently access it is therefore important and useful. Commercially available water level indicators are expensive and needs frequent care and maintenance. The aim of this project is to design and construct an electronic water level indicator using readily available low cost electronic devices and materials. In designing the instrument special emphasis was laid on minimising cost without compromising accuracy. At the same time a special effort was made to make the instrument simple and thereby reducing the need for maintenance.