SURFACE TEMPERATURE SENSOR

PURPOSE:To improve the thermal resistance and the precision by attaching a lead wire to a temperature detector consisting of a glass sealed thermistor and coating it with an insulating tube and sticking it to a metallic plate with a resin to constitute a surface temperature sensor. CONSTITUTION:A thermistor element is held between, for example, Dumet wires and is welded and sealed by a lead glass tube to form the glass sealed thermistor, and a temperature detector 5 consisting of this thermistor is connected to a lead wire 6, and the lead wire 6 from the part of the detector 5 to the front end part is coated with an insulating tube 7. The front end pat of the lead wire 6 is adhered to a holding part 9a of a metallic plate 9 having an attaching hole or notch to a body 10 to be subjected to temperature measurement, thereby attaining the surface temperature sensor having a high thermal resistance, a high precision, and a high thermal responsiveness.