This is direct level measurement method, a Level gauge is a device that gives you a visual representation of the level of liquid that is in the vessel, drum or tank.
Principle of level gauge
- Height of liquid
- Head Pressure
- Weight of the material
Types of Level Gauge
Tubular level gauge: Tubular level gauge is simply a glass tube, which is used for very low pressure and low temperature tank or open tank applications. Tubular Level gauges are mounted on the side of the tank or vessel. It consist of a glass tube, packing material, isolation valves, and drain valve.
Other level gauge include Reflex level gauge, Transparent level gauge, Bicolour level gauge, Magnetic level gauge and Float type level gauge.