Comparison of four QHR systems within one month using a temperature and pressure stabilized 100-Ohm resistor

A. Satrapinski, H. Seppä, B. Schumacher, P. Warnecke, F. Delahaye, W. Poirier, F. Piquemal

    Research output: Contribution to journalArticleScientificpeer-review

    4 Citations (Scopus)

    Abstract

    We have carried out a resistance comparison of four QHR systems using a 100-Ohm resistor in a temperature-controlled and hermetically sealed enclosure, the comparison was performed in November and December 1998, the participants were Bureau International des Poids et Mesures (BIPM), Bureau National de Metrology-Laboratoire Central des Industries Electroniques (BNM-LCIE) France, Physikalisch-Technische Bundesanstalt (PTB) Germany, and Valtion Teknillinen Tutkimuskeskus (VTT Automation) Finland, acting as a pilot laboratory. The comparison results agree within 3 parts in 109 with a relative combined standard uncertainty of ±1*10-8
    Original languageEnglish
    Pages (from-to)238-241
    JournalIEEE Transactions on Instrumentation and Measurement
    Volume50
    Issue number2
    DOIs
    Publication statusPublished - 2002
    MoE publication typeA1 Journal article-refereed

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