United Electric Controls Company Head and Sheath Resistance Temperature Detectors RTDs


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Head and Sheath Resistance Temperature Detectors RTDs
RTD’s are stable and have a fairly wide temperature range, but are not as rugged and inexpensive as thermocouples. Since they require the use of electric current to make measurements, RTD’s are subject to inaccuracies from self-heating. An RTD capitalizes on the fact that the electrical resistance of a material changes as its temperature changes. RTD’s rely on the resistance change in a metal. The resistance will rise more or less linearly with temperature. Traditionally, RTD’s use a length of conductor (platinum, nickel iron or copper) wound around an insulator. Newer styles use a thin film of the conductor deposited on a ceramic substrate. RTD’s are used to measure temperatures from -196° to 482° C (-320° to 900°).
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Technical Specifications

  United Electric Controls Company
Product Category RTD Temperature Probes
Product Number RTDs
Product Name Head and Sheath Resistance Temperature Detectors
Element Material Platinum; Nickel/Nickel Alloys (optional feature); Copper (optional feature)
Sensed Temperature -328 to 1832 F (-200 to 1000 C)
Probe Features Cuttable (optional feature); Spring Loaded (optional feature)
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