Method to measure a temperature with a peltier element

Details Method to measure a temperature with a peltier element Method to measure a temperature with a peltier element

1991-05-20

1992-09-01

Cuchlinski, Jr., William A.

Thermal measuring and testing

Transformation point determination

By thermal arrest

374 16, 374178, G01N 2504

Patent

active

051434512

ABSTRACT:
The present invention relates to a method to determine the temperature of one or both surfaces of the two surfaces of a Peltier element. One then calculates the temperature difference (dT) between the surfaces from a known relation for the Seebeck voltage (U.sub.p) as a function of the temperature difference and the mean temperature (T.sub.i) of the element from a known relation for the temperature dependence of the internal resistance (R.sub.i) of the element. Finally, to the mean temperature (T.sub.i) one adds and from it subtracts respectively half the temperature difference (dT) between the surfaces.

REFERENCES:
patent: 3305851 (1967-02-01), Brandtszteter
patent: 4383770 (1983-05-01), Boschung et al.
patent: 4639883 (1987-01-01), Michaelis
patent: 4657409 (1987-04-01), Wiggin et al.

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