The Endress+Hauser Liquicap M FMI51 is a reliable and universally applicable rod probe designed for continuous level measurement and interface detection in liquids. Operating on the capacitance principle, it is exceptionally suited for applications with aggressive media, severe build-up formation, or changing product properties. This model, FMI51-A3CGGJA1A9A, provides a standard 4-20mA HART output for seamless integration into modern control systems. Its robust construction and high protection rating ensure long-term stability and accurate performance in demanding industrial environments, from chemical processing to water and wastewater treatment.