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Thermocouple vs Pyrometer - What's the difference?

thermocouple | pyrometer |

As nouns the difference between thermocouple and pyrometer

is that thermocouple is a transducer consisting of two different metals welded together at each end; a voltage is produced that is proportional to the difference in temperature between the two junctions (one of which is normally held at a known temperature while pyrometer is a thermometer designed to measure high temperatures.

thermocouple

English

Noun

(wikipedia thermocouple) (en noun)
  • (physics) A transducer consisting of two different metals welded together at each end; a voltage is produced that is proportional to the difference in temperature between the two junctions (one of which is normally held at a known temperature)
  • pyrometer

    Noun

    (en noun)
  • A thermometer designed to measure high temperatures.
  • An instrument for measuring the thermal expansion of solids.