End-face image analysis procedure for the calibration of optical fibre geometry test sets - Part 1: Introduction and roadmap for standardization1 Scope This document describes the calibration of test sets that perform end face image analysis, also known as "near field" or "grey scale" analysis. The principles, however, can be applied to test sets of a different type. The procedures outlined are performed by calibration laboratories and by the manufacturers or users of geometry test sets, for the purpose of calibrating geometry test sets and for evaluating the uncertainties in measurements

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Such natural esters are vegetable oils obtained from seeds and oils obtained from other suitable biological materials and delivered to an agreed point

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The test shall be carried out within a temperature range of 10 °C to 35 °C

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