Progress of Cryogenics and Isotopes Separation , ISSN: 1582-2575
1998, Volume 1, Issue 1+2

Extinderea domeniului de utilizare a traductoarelor de temperatura PT 100 in domeniul 20-77K utilizand un termometru cu gaz

Mariana Iliescu * , Mihai Culcer , Marian Curuia , Traian Roman , Ioan Stefanescu

Institutul National de Cercetare-Dezvoltare pentru Tehnologii Criogenice si Izotopice – ICSI Rm. Vâlcea

*Corresponding author: Mariana Iliescu, e-mail:

Published: October 1998


The paper deals with the calibration of PRT-s heaving w <1>

A cryostat using a gas thermometer as a primary temperature sensor is presented.

After presentation of the gas thermometer's principle, ist equation and a brief review on the terms involved is given.

The paper presents also a discussion on the constructive details, the heat transfer and the control of the cryostat.

Finally the accuracy of temperature control and an example pf PRT's temperature curve is given.



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