1、DRAFT FOR DEVELOPMENT DD IEC TS 60695-7-51: 2002 Fire hazard testing Part 7-51: Toxicity of fire effluent Estimation of toxic potency: Calculation and interpretation of test results ICS 29.020; 13.220 DD IEC TS 60695-7-51:2002 This Draft for Development, having been prepared under the direction of t
2、he Electrotechnical Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 13 September 2002 BSI 13 September 2002 ISBN 0 580 40352 1 National foreword This Draft for Development reproduces verbatim IEC TS 60695-7-51:2002. This publi
3、cation is not to be regarded as a British Standard. It is being issued in the Draft for Development series of publications and is of a provisional nature because the source document is an IEC Technical Specification which is not an international standard. It should be applied on this provisional bas
4、is, so that information and experience of its practical application may be obtained. Comments arising from the use of this Draft for Development are requested so that UK experience can be reported to the international organization responsible for its conversion into an international Standard. A revi
5、ew of this publication will be initiated 2 years after its publication by the international organization so that a decision can be taken on its status at the end of its three-year life. The commencement of the review period will be notified by an announcement in Update Standards. According to the re
6、plies received by the end of the review period, the responsible BSI Committee will decide whether to support the conversion into an international Standard. Comments should be sent in writing to the Secretary of BSI Technical Committee GEL/89, Fire hazard testing, at 389 Chiswick High Road, London W4
7、 4AL, giving the document reference and clause number and proposing, where possible, an appropriate revision of the text. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publicatio
8、ns referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. Summary of pages This document comprises a front cover, an in
9、side front cover, the ENV title page, pages 2 to 14, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsSPCIFICATION TECHNIQUE CEI IEC TECHNICAL SPECIFICATION
10、TS 60695-7-51 Premire dition First edition 2002-03 Essais relatifs aux risques du feu Partie 7-51: Toxicit de leffluent du feu Estimation de la puissance toxique: Calcul et interprtation des rsultats dessai Fire hazard testing Part 7-51: Toxicity of fire effluent Estimation of toxic potency: Calcula
11、tion and interpretation of test results Numro de rfrence Reference number CEI/IEC/TS 60695-7-51:2002 PUBLICATION FONDAMENTALE DE SCURIT BASIC SAFETY PUBLICATION DDIECTS60695751:2002CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope. 6 2 Normative references . 6 3 Definitions 7 4 Principle of the method. 7 5
12、 Method. 8 5.1 General. 8 5.2 Calculation of predicted toxic potency of effluent using FED principles 9 Annex A (informative) Illustrative example .11 Annex B (informative) Illustrative example: Calculation of FLD in a hypothetical fire, based on data from a tube furnace interlaboratory round-robin test.12 B.1 Assumptions12 B.2 Known reference data: toxic potency of component toxic gases.12 B.3 Calculations.12 B.3.1 Mass loss integral, D m 12 B.3.2 Volume yields calculated from tube furnace test data .13 B.3.3 Calculation of FLD13 Annex C (informative) Nomenclature14 DDIECTS60695751:2002 2