A sanitary stainless steel level gauge is a device that can be used to detect the level of liquid in a stainless steel tank. Stainless Steel Sanitary magnetic level gauge water level staff gauge Food Grade storage tank level gauge. Glass tube liquid level gauge and is called liquid level valve, is a kind of liquid level measuring instrument, which is mainly installed in the tank, so as to observe the flow of liquid in the tank.It can be used to monitor the flow of liquid in the tank, or to sample the contents of the tank and the operation of its internal materials. a sanitary stainless steel level gauge is an essential tool for accurately measuring and monitoring liquid levels in hygienic applications, combining durability, ease of cleaning, and precise measurement capabilities within a tank or vessel in hygienic environments, such as those found in the food and beverage, pharmaceutical, and biotechnology industries.