Several forms of level gauges exist in the industry. Depending upon the types of liquids such as water, oil, diesel etc. measured by level gauges, they can be classified into following categories:
Tank level gauges: These level sensing devices generally determine volume of liquid enclosed in the tank.
Fuel level gauges: These devices mainly provide fuel level readings in case of automobiles and other equipments consuming fuel.
Water level gauges: These level gauges are basically applied to determine the rise or fall occurring in water level.
Mechanical level gauges: This category of level gauges is mainly employed in underground storage tank applications for measuring the level of liquid.