Sensor for detecting at least one property of a fluid medium in at least one measuring chamber

A sensor for detecting at least one property of a fluid medium in at least one measuring chamber, including for detecting an H2 fraction in a measuring gas, the sensor comprising:

• a first sensor element configured to detect a heat conductivity of the fluid medium and to output a first measuring signal;
• a second sensor element that includes a semiconducting metal oxide and that is configured to output a second measuring signal;
• a third sensor element configured to detect a physical property of the fluid medium, the third sensor element differing from the first sensor element and the second sensor element with regard to the detected physical property and being configured to output a third measuring signal;
• and
• an electronic evaluation unit configured to evaluate the first measuring signal, the second measuring signal, and the third measuring signal, the electronic evaluation unit being further configured to change operating parameters of the first sensor element, and/or of the second sensor element, and/or of the third sensor element,
• wherein the electronic evaluation unit is configured to change, using an algorithm, the operating parameters of the first sensor element and/or of the second sensor element and/or of the third sensor element,
• wherein the algorithm includes an artificial neural network,
• wherein the electronic evaluation unit is configured to output correction signals to the first sensor element, the second sensor element, and the third sensor element, the correction signals causing changes in the operating parameters of the respective sensor elements.