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A comparison of measurements of the internal diameters of an audit set of steel ring gauges (of nominal sizes 3, 25, 75 and 100 mm) was carried out by several laboratories. The measurement methods used and the results obtained are compared and assessed. Clear evidence of temporal dimensional instability in at least two of the rings was obtained.

Additional information

Authors: CANTA G, Istituto di Metrologia "G. Colonnetti", Torino (IT);MOREI S, Istituto di Metrologia "G. Colonnetti", Torino (IT);PIREE I H, Ministère des Affaires Economiques, Service de la Métrologie, Bruxelles (BE);SCHATZ B, Laboratoire National d'Essais, Paris (FR);RADEMACHER H J, Physikalisch-Technische Bundesanstalt, Braunschweig (DE);BENNETT, National Physical Laboratory, Teddington (GB)
Bibliographic Reference: EUR 13656 EN (1991) 64 pp., MF, ECU 4
Availability: (2)
Record Number: 199110704 / Last updated on: 1994-12-02
Original language: en
Available languages: en
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