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A cryometer is a thermometer used to measure very low temperatures of objects. There are many types of devices used as cryometers: #thermocouples: these can be used down to measure about 1 K temperature. #vapour pressure thermometers: these can be used to measure temperatures down to about 0.5K #resistance thermometers: these can be used to measure temperatures at 0.01 K. #melting curve thermometers: these can be used to measure temperatures between about 0.001K and 0.5K #resistance noise thermometers: these can be used to down to about 0.001K #magnetic thermometers: which are used at 0.001 K temperatures. #nuclear-resonance thermometers: these are required to measure very low temperatures such as 0.0000001 K. ==References== *Oxford dictionary of science, 1999, 4th edition, ISBN 0-19-280098-1. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Cryometer」の詳細全文を読む スポンサード リンク
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