BS IS0 1438:2017 BSl Standards Publication Hydrometry Open channel flow measurement using thin-plate weirs bsi. BRITISH STANDARD BS ISO 1438:2017 National foreword This British Standard is the UK implementation of IS0 1438:2017. It supersedes BS IS0 1438:2008, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee CPI/113/2, Flow measurement structures. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application @ The British Standards Institution 2017 Published by BSI Standards Limited 2017 ISBN 978 0 580 86786 6 ICS 17.120.20 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2017. Amendments/corrigenda issued since publication Date Text affected BS IS01438:2017 INTERNATIONAL ISO STANDARD 1438 Third edition 2017-04 Hydrometry Open channel flow measurement using thin-plate weirs Hydrometrie - Mesure de debit dans les canaux découverts au moyen dedeversoirsaparoimince Reference number ISO 1438:2017(E) ISO @IS0 2017