Conclusions
A study of the properties of transistors type P407 has shown that it is possible by means of a transistor thermoelement to measure and, hence, to regulate temperatures in the range of +80 to −183‡C with a precision not inferior to second Class commercial platinum resistance thermometers. An analytical relationship has been obtained between the emitter voltage and temperature in the form of a power series with good convergence. The short-circuit emitter current, which can be reproduced satisfactorily in different transducers should be taken as the principal parameter of a thermoelement transducer.
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Fogel'son, I.B. Measuring temperature with germanium transistor thermoelements. Meas Tech 7, 1053–1058 (1964). https://doi.org/10.1007/BF00983164
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DOI: https://doi.org/10.1007/BF00983164