Largely completed thermometer-calibration cryostat and probe allows six germanium resistance thermometers to be calibrated at one time at superfluid-helium temperatures. In experiments involving several such thermometers, use of this calibration apparatus results in substantial cost savings. Cryostat maintains temperature less than 2.17 K through controlled evaporation and removal of liquid helium from Dewar. Probe holds thermometers to be calibrated and applies small amount of heat as needed to maintain precise temperature below 2.17 K.


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    Title :

    Calibration of Germanium Resistance Thermometers


    Contributors:
    Ladner, D. (author) / Urban, E. (author) / Mason, F. C. (author)

    Published in:

    Publication date :

    1987-02-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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