FTLG-1100 Series, This Product can easily be installed, maintained, and repaired. Also it can be used for multiple purpose since it can be used in the petroleum oil, Water and other types of liquids. It can widely be used in the measuring og surface level of Petroleum Oil, Products. In addition, it can prevent environmental pollution in the sewage and waste water treatment plants and allow a safe operation on chemical industry site that handle acid and alkali, food alcohol, cooking oil and paint.