Patent ID: 6880404

Claim:
A system element for the releasable sealed connection of a transducer to a fluid system, with a measuring chamber ( 7 ) which can be connected to the fluid system in such a way as to allow throughflow, the measuring chamber ( 7 ) being formed in a housing ( 10 ) and part of the wall of the measuring chamber ( 7 ) being formed by a membrane ( 11 ) which is considerably more flexible than the rest of the wall ( 15 ) of the measuring chamber ( 7 ), characterized in that the membrane ( 11 ) has a peripheral bead ( 20 ) which is located on the side of the membrane ( 11 ) that faces toward the measuring chamber ( 7 ), the bead ( 20 ) engaging in a groove ( 19 ) which is formed in the housing ( 10 ) and extends around the measuring chamber ( 7 ) and the wall (inner wall 16 ) of the groove ( 19 ) that faces toward the measuring chamber ( 7 ) being lower than the wall (outer wall 17 ) of the groove ( 19 ) that faces away from the measuring chamber ( 7 ).