BS IS0 20145:2019 BSl Standards Publication Pneumatic fluid power Test methods for measuring acoustic emission pressure levels of exhaust silencers bsi. BSISO20145:2019 BRITISH STANDARD Nationalforeword ThisBritish Standard is theUK implementation of IS020145:2019. The UK participation inits preparation was entrustedto Technical Committee MCE/18/-/5,Control components. A list of organizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication. @The British Standards Institution 2019 Published by BSI Standards Limited 2019 ISBN9780580883330 ICS23.100.99 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the StandardsPolicyand StrategyCommittee on31October2019. Amendments/corrigendaissuedsincepublication Date Text affected BS ISO 20145:2019 ISO INTERNATIONAL STANDARD 20145 First edition 2019-10 Pneumatic fluid power Test methods for measuring acoustic emission pressure levels of exhaust silencers Transmissions pneumatiques-Methodes d'essaide mesure duniveau depression d'emission acoustique des silencieux d'échappement Reference number IS0 20145:2019(E) ISO IS02019