Air sensors are for temperature measuring of gaseous mediums. The sensor point is as per construction inside or outside the protection tube. The passage of compensating wire to the protection tube is strain relieved. A spring is used as anti-kink protection. Clamping screws or conical stop rings are used for fastening. Furthermore are PVC-PFA-fiberglass thermo and compensating wires as well as fiberglass with metal braided meshing available. Various immersion lengths are as well available.