Process measurement technology sensor, comprising a sensor housing having a sensor head, wherein the sensor head has at least one sensor element for determining a measurand of a measured medium which is arranged inside the sensor housing, and wherein the sensor has electronic measuring equipment which is arranged inside the sensor housing, wherein the sensor housing has, at a distance from the electronic measuring equipment and from the sensor element, a condensation trap in the form of a local region of a wall of the sensor housing with reduced wall thickness.