The ratio error of the overlapped-tube cryegenic current comparator

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    Abstract

    Analytic expressions for the ratio uncertainty of the overlapped-tube cryogenic current comparator are derived for dimensioning the overlapped-tube comparator. Theoretical predictions agree reasonably well with experimental observations by H. Ramin (Arch. Elektrotech., vol.58, p.53, 1976). The construction of a very sensitive cryogenic current comparator and the possibility of minimizing the ratio uncertainty by reducing the size of the detection coil are also discussed.<>
    Original languageEnglish
    Pages (from-to)689-697
    JournalIEEE Transactions on Instrumentation and Measurement
    Volume39
    Issue number5
    DOIs
    Publication statusPublished - 1990
    MoE publication typeA1 Journal article-refereed

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