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How do resistance thermometers work?
Answered by Science Channel
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    Science Channel

  1. Resistance thermometers measure changes in the electrical resistance of metal materials or thermistors. A thermistor is a type of resistor made of semiconducting material. The mechanism consists of a metal wire or thermistor housed in a probe such as a slender rod. The change in electrical resistance is indicated as a temperature reading on a digital display or meter.

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