Etalons, etalons…

What does the word «etalon» mean? In metrological practice they often confuse the standard — etalon, measure and the standard — a normative document for example GOST. The etalon can reproduce any measuring value (or part of the scale) if only these values are known with the required accuracy and are stably reproduced over time. In this article some interesting thoughts about what actually etalon reproduces are introduced, and several definitions of the term are given.
Author(s):  Bryanskiy L.
Issue:  KIPiS 2010 #5
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