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• Set screw probe fixed to brass and steel pocket for easy replacement • Temperature sensor for air conditioning • Thermistor and Pt100 type sensor in various packages ideal for use in most air conditioning control systems.　Sensor Type: Thermistor: Direct Thermistor (NTC) Temperature (10 kΩ, 25 °C) type.　These are degradable components and must be replaced on a 2-3 year cycle.　Pt100 sensor: A 2-wire sensor with a brass probe that provides linear response and positive temperature coefficient.　Package Type: Space Air (; 813-806 813-806,; 376-1477 376-1477): White ventilator for internal use, temperature range -10 to +60 °C.　Duct air (; 813-862 813-862): IP65 housing with 20 mm conduit entry, 210 x 19 mm diameter probe with fine mesh gauge for sensor protection, temperature range -10 to +60 °C.　Outside Air (; 813-828 813-828,; 813-878 813-878): IP65 enclosure with small brass cap, 20 mm conduit entry, temperature range -10 to +60 °C.　Immersion (; 813-834 813-834,; 813-884 813-884): Ideal for IP65 enclosure with 20 mm conduit entry, 130 x 6 mm diameter brass probe, brass pocket for temperature range -10 to +60 °C (sold separately).　Pipe Clamp On (; 813-840 813-840,; 813-890 813-890): The detection element on the lug attached to the pipe through a stainless steel cable tie.　IP65 terminal, 1 m cable, maximum temperature 110 °C