Check out the new water level sensor circuit. The simple water level indicator circuit presented here makes this system automatic, i.e. it switches on the pump when the water level in the overhead ...

Revere Control Systems and G.A. Fleet Associates develop control platform for tank-fill, booster, cooling and HVAC systems ...

Author Ejaz ur Rehman describes a an extremely simple water-level maintainer that keeps the water level between two predefined levels using an LM311.

A device to control overflow of water HSL employee comes out with a new tool Updated - April 16, 2018 06:55 pm IST - VISAKHAPATNAM ...