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Cryogenic temperature measurement for large applications

✍ Scribed by J. Ylöstalo; P. Berglund; O. Niinikoski; R. Voutilainen

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
765 KB
Volume
36
Category
Article
ISSN
0011-2275

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✦ Synopsis

We have developed a resistance thermometry system for the acquisition, control and monitoring of temperature in large-scale cryogenic applications. The resistance of the sensor is converted to a voltage using a self-balancing AC bridge circuit featuring square-wave excitation currents down to 1 nA. The system is easily scalable and includes intelligent features to treat special situations such as magnet quenches different from normal operation.

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