Level Indicator

Float devices use the buoyancy of a float to indicate the liquid level in the tank. The chain is attached to a counterweight which indicates the level as the float moves up and down. These types of devices are often found on atmospheric storage tanks in OEMS, Petroleum & Pharmacy Industry and the specific gravity of the fluid should be more than 0.6 like oil tanks, large Acid tanks and the storage tanks of storage tanks of Oil, Fire / DM water Alkalis, Acids furnace Oils, Lube Oil, Vegetable Oil, Molasses, Glucose etc.

A magnetized float moves with level in external chamber (cage) which is coupled with the tank.

Apart from glass tube level gauges, transparent level indicators are always fitted with two plate transparent glasses between which the fluid is contained. The fluid level is indicated as the result of the different transparency of the two media and in some cases (for water& steam), by conveying upwards on to the surface of separation (between liquid and gaseous substances) a source of light located at the back of the gauge, the rays of which are totally reflected down to the observer.