An RTD (Resistance Temperature Detector) is a sensor whose resistance changes as its temperature changes. The resistance increases as the temperature of the sensor increases. The resistance vs temperature relationship is well known and is repeatable over time. An RTD is a passive device. Aavad Instrument manufactures Head Type RTD Sensors
A head-type RTD (Resistance Temperature Detector) sensor is an industrial temperature measurement assembly featuring a terminal connection head mounted directly on a protective sheath. Manufactured by Aavad Instrument, these passive sensors utilize platinum PT100 or PT1000 elements to deliver precise, repeatable measurements with Class A accuracy (±0.15°C) across temperature ranges from −200°C to +600°C.Learn more: RTD Sensor Guide | PT100 Guide | RTD for Switchgear
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