Pressure transmitter with a base body (9) having on one side a membrane bed (10) and on the other side a pressure gauge, with a front of the membrane bed (10) arranged membrane (7) and a diaphragm seal fluid (13) between diaphragm bed (10 ) and membrane (7), wherein the pressure measuring device via a the main body (9) passing through channel (11) with the diaphragm seal fluid (13) is in communication, characterized in that a) the membrane (7) in one of the edge (8) the membrane (7) surrounded inner region in the axial direction, d. H. in a direction perpendicular to the plane (8) of the membrane (7) plane is so plastically deformed that the inner region of the membrane (7) in a state in which the membrane bed (10) not filled with diaphragm seal fluid (13) is, at least two different axial rest positions (12, 16) can take b) wherein the pressure averager (6) is filled in a ready state with such a predetermined amount of diaphragm seal fluid (13) that this inner diaphragm surface between two axially adjacent rest positions (12, 16).
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