United Electric Controls Company RTD Transmitter


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RTD Transmitter
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 Transmitters
Product Name RTD Transmitter
Reference Material Platinum; Nickel/Nickel Alloys (optional feature); Copper (optional feature)
Sensed Temperature -328 to 1832 F (-200 to 1000 C)
Mounting Options Thermohead or Thermowell Mounting (e.g. "Hockey puck" Style)
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