CECU capacitive level transmitter is a special type of CEC series capacitive transmitter. It installs on the container by flange. It uses differential pressure method to measure the level of open or close container which filled with high viscosity, suspended particles with solid and easy to crystallize media. CECU capacitive level transmitter has flat flange and insert flange structures. The installation of flange is in line of ANSI standard. The size of tube is 3"和4". The flange grade is 150LB（2.5MPa）. the material of melting part are 316L、hastelloy, monel and tantalum.