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Sulfur Hexafluoride: A Novel Fixed Point for Contact Thermometry

  • S. N. DedyulinEmail author
TEMPMEKO 2016
First Online:
Part of the following topical collections:
  1. TEMPMEKO 2016: Selected Papers of the 13th International Symposium on Temperature, Humidity, Moisture and Thermal Measurements in Industry and Science

Abstract

In this paper, we report on the development at NRC of a sulfur hexafluoride (\(\text {SF}_6\)) fixed-point cell for calibrating long-stem standard platinum resistance thermometers. Discussed in detail are the unique challenges of constructing the high-pressure fixed-point cell and realizing the triple point of \(\text {SF}_6\) in a commercial stirred liquid bath.

Keywords

Fixed-point cell Sulfur hexafluoride Triple point 
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Notes

Acknowledgements

The author would like to thank Andrew Todd, Patrick Rourke, Masahiko Gotoh, Wes Tew, Doug Gee and Don Woods for useful discussions. The author is also grateful to Andrew Todd and Michelle Dedyulin for proofreading the manuscript.

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Copyright information

© Her Majesty the Queen in Rights of Canada 2017

Authors and Affiliations

  1. 1.National Research Council of CanadaOttawaCanada

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