<p>The sensor has a ceramic mounting plate with a resistance network and a contact structure for detecting an electrical signal for a filling level of a fuel tank. A cover (9) is connected with the mounting plate. The cover and the mounting plate form a housing. The cover is reinforced in its border area (11) that possesses a larger wall thickness of about 0.8 millimeters. A metal frame (12) is attached on the border areas side that is turned away from the mounting plate.</p>
