Patent ID: 8127613

Claim:
Ultrasonic transducer for installation in an instrument housing, comprising: a transducer housing, the transducer housing being exposed in an installed state thereon, on at least one of an emitting and a receiving side thereof, to pressure exerted by a medium, and a housing fixture, wherein the transducer housing at least indirectly forms at least one contact area in the installed state with the housing fixture, the transducer housing and the housing fixture being at least indirectly pressed against one another in a first contact area with existing, but as slight as possible surface pressure by a pre-loading means, and wherein the housing fixture comprises a first fixture element and a second fixture element, wherein the transducer housing runs through the first fixture element, a shoulder of the first fixture element and a shoulder of the second fixture element are opposite one another on one side of the first fixture element, and in an area of an opposite side of the first fixture element, the second fixture element is connected to the transducer housing in a locking manner opposite the first fixture element and, wherein the second fixture element,