BS EN 1822-5-2000 High efficiency air filters (HEP

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN1822-5:2000TheEuropeanStandardEN1822-5:2000hasthestatusofaBritishStandardICS23.120NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWHighefficiencyparticulateairfilters(HEPAandULPA)ÐPart5:DeterminingtheefficiencyoffilterelementLicensedcopy:PONTYPRIDDCOLLEGE,05/07/2007,UncontrolledCopy,©BSIThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15October2000©BSI10-2000ISBN0580364577BSEN1822-5:2000AmendmentsissuedsincepublicationAmd.No.DateCommentsNationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN1822-5:2000.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeMCE/21,Filtersforgasesandliquids,toSubcommitteeMCE/21/3,AirfiltersotherthenforairsupplytoICenginesandcompressors,whichhastheresponsibilityto:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to20,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.Licensedcopy:PONTYPRIDDCOLLEGE,05/07/2007,UncontrolledCopy,©BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN1822-5August2000ICS23.120EnglishversionHighefficiencyparticulateairfilters(HEPAandULPA)-Part5:DeterminingtheefficiencyoffilterelementFiltresàairàtrèshauteefficacitéetfiltresàairàtrèsfaiblepénétration(HEPAetULPA)-Partie5:Mesuredel'efficacitédel'élémentfiltrantSchwebstoffilter(HEPAundULPA)-Teil5:AbscheidegradprüfungdesFilterelementesThisEuropeanStandardwasapprovedbyCENon7July2000.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGCentralSecretariat:ruedeStassart,36B-1050Brussels©2000CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN1822-5:2000ELicensedcopy:PONTYPRIDDCOLLEGE,05/07/2007,UncontrolledCopy,©BSIPage2EN1822-5:2000ContentsPageForeword....................................................................................................................................3Introduction...............................................................................................................................31Scope...................................................................................................................................42Normativereferences........................................................................................................43Termsanddefinitions.......................................................................................................43.1samplingvolumeflowrate.................................................................................................43.2samplingduration...............................................................................................................43.3measuringprocedurewithfixedsamplingprobes...........................................................53.4totalparticlecountmethod................................................................................................53.5particlecountingandsizingmethod.................................................................................54Descriptionofthemethod...........................................................................................