Calibration of dial indicators using machine vision

Björn Hemming, Heikki Lehto

    Research output: Contribution to journalArticleScientificpeer-review

    15 Citations (Scopus)


    Using automatic machine vision-based systems, the calibration of measuring instruments can be extended. With machine vision it is possible to check hundreds of points on the scale of a dial indicator, giving new insight into its sources of error. This paper describes a machine vision-based system for the calibration of dial indicators developed at the Centre for Metrology and Accreditation in Finland, with emphasis on the calculation of measurement uncertainty.
    Original languageEnglish
    Pages (from-to)45-49
    JournalMeasurement Science and Technology
    Issue number1
    Publication statusPublished - 2002
    MoE publication typeA1 Journal article-refereed


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