US Patent 7469586 Sensor unit having a connection cable

A sensor unit for determining a physical sensor parameter of a measuring gas, in particular an oxygen concentration in an exhaust gas of an internal combustion engine is provided, which includes a sensor housing and at least one connection cable having an electrically insulating cable sheathing, for the transmission of energy and/or the sensor parameter, the sensor housing having at least one cable opening for the connection cable and at least one sealing element for sheathing and sealing the connection cable, the cable having better sealing than the related art and/or the ability to resist higher temperature loading. According to the invention, this is achieved by at least partially forming the sealing element as tube.