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³He melting curve thermometer

University of British Columbia

This thesis decribes the choice, the construction, the operation, and the testing of a ³He melting curve thermometer. The melting curve thermometer satisfies the need of this particular laboratory for a convenient standard thermometer in the temperature range of 6 mK to 600 mK. Over most of its operating range, the resolution of the temperature measured with the ³He melting curve thermometer is 0.03%, however, the accuracy is only 0.3%. The construction of a precision low temperature strain gauge is described. Also a ratio transformer capacitance bridge which has a resolution of 1 ppm is described.

Text

2010-05-16

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http://hdl.handle.net/2429/24773

Physics

University of British Columbia

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