BS EN IS0 7243:2017 BSl Standards Publication Ergonomics of the thermal environment - Assessment of heat stress using the WBGT (wet bulb globe temperature) index (IS0 7243:2017) bsi. BSENIS07243:2017 BRITISH STANDARD National foreword ThisBritish Standard istheUK implementation of ENIS07243:2017 It is identical to IS07243:2017.It supersedes BS EN 27243:1994,which is withdrawn. The UK participation in its preparation was entrusted to Technical CommitteePH/9/-/1, Ergonomics ofthe physical environment. A listof organizationsrepresented on this committee canbe obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract.Users are responsiblefor its correct application. @The British Standards Institution 2017 Published by BSI Standards Limited 2017 ISBN9780580877032 ICS 13.180 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon31October2017. Amendments/corrigendaissuedsincepublication Date Text affected BSENISO7243:2017 EN ISO 7243 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHE NORM September 2017 ICS 13.180 SupersedesEN27243:1993 EnglishVersion Ergonomics of the thermal environment - Assessment of heat stress using the WBGT (wet bulb globe temperature) index (IS0 7243:2017) Ambiances chaudes - Estimation de la contrainte Ergonomie der thermischen Umgebung - Ermittlung thermique de I'homme autravail, basee sur I'indice der Warmebelastung durch den WBGT-index (wet bulb WBGT (temperature humide et de globe noir) (ISO globe temperature) (IS0 7243:2017) 7243:2017) This European Standard was approved by CEN on 1 july 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DENORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELECManagementCentre:AvenueMarnix17,B-1000Brussels @2017CEN All rights of exploitation in any form and by any means reserved Ref.No.ENISO 7243:2017E worldwide for CEN national Members.