Patent ID: 6235174
Filing Date: 2001-05-22
Classification: G01N

Abstract:
A gas sensor, comprising:a housing;a sensing element sealedly coupled in the housing, the sensing element including a segment portion and a reference gas conduit, the segment portion being situated on a measured gas side of the housing, the segment portion has been added after including at least one first electrode which is exposed to a measured gas and at least one second electrode which is exposed to a reference gas, the reference gas conduit extending in a longitudinal direction of the sensing element and terminating at a second segment portion remote from the measured gas, the reference gas conduit being connected to a reference gas source, the reference gas conduit terminating at an outlet at a longitudinal side surface of the sensing element and is sealed with a planar sealing fit, the longitudinal side surface extending in the longitudinal direction of the sensing element; andfirst contacts situated at a second predetermined distance from the measured gas, the first contacts being adapted to be electrically connected to the at least one first electrode and the at least one second electrode.