IEC ISo GUIDE 98-3/Suppl.2 Uncertainty of measurement - Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) Supplement 2: Extension to any number of output quantities First edition 2011 @ISO/IEC2011 ISO/IECGUIDE98-3:2008/Suppl.2:2011(E) PDF disclaimer shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by Iso member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT ISO/IEC2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means electronic or mechanical, including photocopying and microfilm, without permission in writing from either Iso at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland = @ ISO/IEC 2011 All rights reserved ISO/IECGUIDE98-3:2008/Suppl.2:2011(E) ISo/IEC Foreword Commission)form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. IsO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. Publication as a Guide requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. Iso shall not be held responsible for identifying any or all such patent rights. Metrology (as JCGM 102:2011),and was adopted by the national bodies of ISO and IEC. ISO/IEc Guide 98 consists of the following parts, under the general title Uncertainty of measurement: Part 1: Introduction to the expression ofuncertainty in measurement Part3:Guide tothe expressionofuncertainty inmeasurement (GUM:1995) Part 4:Roleofmeasurement uncertaintyinconformityassessment The following parts are planned: Part2:Concepts andbasicprinciples Part5:Applicationsoftheleast-squaresmethod ISO/IEC Guide 98-3 has three supplements: Supplement 1:Propagation of distributions usinga Monte Carlo method Supplement 2: Models with any number of output quantities Supplement3:Modelling symbol is a point on the line in the English version. Annex ZZ has been appended to provide a list of corresponding ISO/IEC Guides and JCGM guidance documents for which equivalents are not given in the text. @ ISO/IEC 2011 - All rights reserved ili