LC3020 electric ball float level transmitter is the upgrading product of ordinary electric float level transmitter. The separation design of transmitter and measuring mechanism advances the transmitter’s explosion-isolation class; Intelligent plus HART transmission makes measurement more accurate. LC3020 is especially suitable in refinery factory for consecutive liquid (interface) measurement of heat heavy oil (temperature≤500℃,pressure ≤4.0Mpa),viscous and smudgy medium, asphalt etc as well as inflammable, explosive and corrosive medium etc. It is an ideal level instrument for petroleum, chemical, metallurgy and pharmaceutical industries etc.