Basic objective of this article is to analysis present trendy Liquid Indicators. Liquid Indicators becomes necessary to have complete data of all these liquids to learn about so when a liquid needs to become procured. Since most on the liquids are of distinct nature, a single liquid level indicator are not used with them all. Hence it is necessary to have a separate liquid level indicator installed with all the current tanks. There are different types of level indicators you can use for measuring the liquids according to the types of liquids which have been present inside the box. This article briefly explain three types of Liquid Indicators: Needle Gauge, Float Gauge and Ultrasonic Level Indicator.