A Smart approach to calibration – Why we should forget calendar-based calibrations

If the current practice of calendar-based calibration has eventually convinced us that it is a good thing, a brief look at its historical context leads us to a consideration that sheds a totally different light on this issue. First, we will clarify that legal metrology set this practice in place to grant fairness in commercial transactions for both customers and suppliers.
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16 May 2017

G.U.M.: There may be a pitfall

Cet article est également disponible en français.

The uncertainty calculation, even if not widely accepted by all industrialists, occupies more and more metrologists around the world. In order to help them out, the J.C.G.M. WG 1 published in 1995 the J.C.G.M. 100 document, better known as G.U.M. (Guide to the expression of Uncertainty in Measurement). This document is quoted for a long time in ISO standards.
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14 Jun 2015
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