Uncertainty of gauge block calibration by mechanical comparison: a worked example. Case 1: gauges of like material

Par Conseil national de recherches du Canada

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DOI	Trouver le DOI : https://doi.org/10.4224/40003376
Auteur	Rechercher : Decker, J. E.¹; Rechercher : Pekelsky, J. R.¹
Affiliation	Conseil national de recherches du Canada. Institut des étalons nationaux de mesure du CNRC
Commanditaire	Rechercher : National Research Council of Canada
Format	Texte, Rapport technique
Résumé	This document provides a worked example of a typical evaluation of measurement uncertainty for the case of the calibration of gauge blocks by mechanical comparison. The comparison involves gauges of known and unknown length, herein referred to as the standard gauge and test gauge respectively. In laboratories that provide service to many clients, the lab’s reference standard gauge is spared excessive handling and wear by calibrating a working standard gauge, which is used to calibrate the client gauge. Our two-gauge comparison model is general, in that it can apply first to the comparison of the reference standard, and working standard gauge, and then to the working standard and client gauges. At the end of the paper, it is shown how the uncertainties propagate along the traceability chain, from the reference standard, to the working standard, to the client gauge. It is assumed that the reader is familiar with the gauge blocks, the mechanical comparator and the principles of their metrology. Our objective is to guide the reader through the evaluation of the overall calibration uncertainties.
Date de publication	1996-05-16
Maison d’édition	National Research Council of Canada
Langue	anglais
Numéro du CNRC	NRCC 39998 NRC-INMS-244
Numéro NPARC	8897275
Exporter la notice	Exporter en format RIS
Signaler une correction	Signaler une correction (s'ouvre dans un nouvel onglet)
Identificateur de l’enregistrement	a3c7300b-3e9f-43df-8cbf-f876803b1247
Enregistrement créé	2009-04-22
Enregistrement modifié	2024-07-08

Date de modification :: 2024-07-23