ISO INTERNATIONAL STANDARD 14934-1 First edition 2010-06-15 Fire tests Calibration and use of heat flux meters - Part 1: General principles Essais au feu - Etalonnage et utilisation des appareils de mesure du flux thermique - Partie 1: Principes généraux Reference number ISO 14934-1:2010(E) @ ISO 2010 ISO 14934-1:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but 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 ISO2010 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 ii @ Iso 2010 - All rights reserved ISO 14934-1:2010(E) Contents Page Foreword Introductior 1 Scope 2 Normative references : Terms and definitions, 3.1 Primary definitions. 3.2 Secondary definitions. 4 Symbols 5 Principles. 5.1 Principles of calibration... 5.2 Principles of measuring radiant heat flux 6 Description, selection and use of heat flux meters 7 Uncertainty analysis... 7.1 Uncertainty sources in primary calibration . 7.2 Uncertainty sources in secondary calibration .8 7.3 Uncertainty sources in making a regression of the calibration results 7.4 Uncertainty sources in using a heat flux meter . Annex A (informative) Comparison of calibration methods .. Annex B (informative) Uncertainty sources in connection with regression of the calibration results Bibliography. 13 Is 2010-All rights reserved ii