Thermoelectric thermometer

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thermoelectric thermometer

(Also called thermocouple thermometer.) A type of electrical thermometer consisting of two thermocouples that are series connected with a potentiometer and a constant-temperature bath.

One couple, called the reference junction, is placed in a constant-temperature bath, while the other is used as the measuring junction. The measuring junction can be made physically very small in order to have practically a negligible thermal time constant.
See bottle thermometer.

Middleton, W. E. K., and A. F. Spilhaus 1953. Meteorological Instruments. 3d ed., rev., . 88–91.

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