METHOD FOR POSITIONING A SENSOR IN A HONEYCOMB ELEMENT, CORRESPONDING HONEYCOMB ELEMENT, AND MOTOR VEHICLE

摘要

Disclosed is a method for positioning a sensor (9) in a honeycomb element (1) which is provided with hollow spaces (3) that can be penetrated at least in part by an exhaust gas. Said method is characterized in that the sensor (9) is placed in an area of the honeycomb element (1) in which at least one minimum (10, 11) hydrogen concentration (c) occurs when the honeycomb element (1) is operated in the emission system of a motor vehicle. The inventive sensor (9) positioning method advantageously allows a sensor (9) to be placed in a honeycomb element (1) in such a way that systematic errors that occur are kept as small as possible as a result of an inherent transverse sensitivity of the sensor (9) to hydrogen. This applies especially to lambda probes. An inventive honeycomb element (1) comprises a sensor (9) which is placed so as to supply particularly reliable test data whose systematic error is as small as possible.