【正文】 velocity test ................................................................................................................................. 13 Alarm system test ........................................................................................................................................ 13 Containment test ......................................................................................................................................... 13 Robustness of containment ....................................................................................................................... 13 Air exchange efficiency............................................................................................................................... 13 Sound pressure measurement ................................................................................................................... 13 Illuminance test............................................................................................................................................ 13 8 Routine testing of qualified fume cupboards ........................................................................................... 13 9 Onsite test reports...................................................................................................................................... 13 Test report for missioning testing of type tested fume cupboards (see Clause 5)....................... 13 Test report for routine testing of type tested fume cupboards (see Clause 6) ..................................... 14 Test report for qualification testing of non type tested fume cupboards (see Clause 7) .................... 14 Test report for routine testing of qualified fume cupboards (see Clause 8) ......................................... 14 National annex NA (informative) Remendations for the exchange of information and remendations for installation .............................................................................................................15 EN 141754:2022 4 Licensed copy:PONTYPRIDD COLLEGE, 06/03/2022, Uncontrolled Copy, 169。 EUR OP 201。 BSI 2022 ISBN 978 0 580 50372 6 Amendments issued since publication Licensed copy:PONTYPRIDD COLLEGE, 06/03/2022, Uncontrolled Copy, 169。 BSI BS EN 141754:2022 National foreword This British Standard was published by BSI. It is the UK implementation of EN 141754:2022. Together with BS EN 141751:2022, BS EN 141752:2022, BS EN 141753:2022 , DD CEN/TS 141755:2022 and BS EN 141756:2022, it supersedes BS 72581:1994, BS 72582:1994, BS 72583:1994 and BS 72584:1994 which are withdrawn. To ensure pleteness of the requirements in the British implementation of these European standards, the safeguards contained in the BS 7258 series (. remendations for the exchange of information, installation, selection, use and maintenance) are retained. National annex NA (informative) reproduces clauses , , , , and of BS 72582:1994, plus clauses and 5 of BS 72583:1994. The UK participation in its preparation was entrusted to Technical Committee LBI/18, Laboratory furniture and fittings. A list of anizations represented on LBI/18 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. 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 March 2022 169。fverfahren This European Standard was approved by CEN on 22 July 2022. CEN members are bound to ply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Uptodate lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat 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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION C OM I T201。 BSI Pressure drop test ....................................................................................................................................... 12 Air flow visualization ................................................................................................................................... 12 Alarm system test ........................................................................................................................................ 12 Inspections ................................................................................................................................................... 12 7 Qualification testing of non type tested fume cupboards ....................................................................... 12 Scope and purpose ..................................................................................................................................... 12