| 摘要 |
The inventive measuring transducer (1) for measuring the pressure of a process medium comprises a measuring cell (2) and a housing (18) that has an inner space (6) and an opening (4). Said measuring cell (2) is located inside the inner space (6) of the housing (18), can be subjected to the action of the process medium via the opening (4), and is joined to the housing (18) in a pressure-tight manner in order to prevent the process medium from being able to flow past the measuring cell (2) and enter the housing (18). The measuring transducer also comprises a contamination sensor (7), which monitors the inner space (6) of the housing (18) and which is separated from the opening by the pressure-tight junction (5) between the measuring cell (2) and the housing (18). The contamination sensor (7) is preferably a selective gas sensor, particularly a CMOS sensor according to the SAW principle. The measuring transducer additionally comprises an electronics housing (3) with an electronics space (15) that is preferably separated from the inner space (6) of the housing (18) by a partition (10). |
