Liquid Helium Cryostat for Resistance Thermometer Calibration
- 1 October 1968
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 39 (10), 1484-1487
- https://doi.org/10.1063/1.1683141
Abstract
A cryostat designed primarily for intercomparison of platinum resistance thermometers in the range 10 to 300 K is described. A vented, ``inverted'' Dewar is introduced as a simple means to provide both rapid cool‐down and thermal isolation without the necessity of temporary vacuum seals. Adiabatic conditions are automatically maintained, resulting in a system easily stabilized to within 30 μK/min throughout the entire range.Keywords
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