Often, the only liquid level indicator you need is your eyes, such as when looking at your cold beverage on a summer’s day. Other times, though, it’s useful to have some kind of indicator light that ...

Description of water sensor: in most houses, water is first stored in an underground tank (UGT) and from there it is pumped up to the overhead tank (OHT) located on the roof. People generally switch ...

This Water Level Indicator is a small and very useful mechanism to find the water level in an overhead tank or in any other water container. This is possible by using a set of 9 probes which are ...