Patent ID: 7437937
Filing Date: 2008-10-21
Classification: G01L

Abstract:
1. A relative pressure measuring transmitter, comprising: a housing; an insert arranged in said housing; a gap between said housing and said insert; a relative pressure sensor; an electronic circuit being situated in the interior of said insert; and a reference pressure supply line connected to said relative pressure sensor, said reference pressure supply line leads into said insert, vents on an outer wall of said insert, and has an interior, which is connected with said gap via an opening in said insert, wherein; a bore passes through said housing, for placing said gap in communication with an environment of said relative pressure measuring transmitter, said insert comprises a moisture-resistant material, especially a plastic; and in the interior of said insert, an electrically conductive layer is provided, which encloses an inner space of said insert, to protect said electronic circuit against electromagnetic interference.