1、IECIEC60794-1-208Edition1.02025-04INTERNATIONALSTANDARDNORMEINTERNATIONALEOpticalfibrecables-Part1-208:Genericspecification-Basicopticalcabletestprocedures-Environmentaltestmethods-Pneumaticresistance,MethodF8Cablesafibresoptiques-UTU9寸olneoeOQLA6NO90-Partie1-208:Specificationgenerique-Proceduresfon
2、damentalesd,essaisdescablesoptiques-Methodesd,essaisdenvironnement-Resistancepneumatique,MethodeF8THlSPUBLICATIONISCOPYRIGHTPROTECTEDCopyright2025IEC,Geneva5SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechani
3、cal,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIECsmemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteef
4、orfurtherinformation.Droitsdereproductionreserves.Saufindicationcontraire,aucunepartiedecettepublicationnepeutetrereproduiteniUtiliseesousquelqueformequecesoitetparaucunprocede,electroniqueoum6canique,ycomprisIaphotocopieetIesmicrofilms,sansaccordecritdeIECouduComitenationaldeIECdupaysdudemandeur.Si
5、vousavezdesquestionssurIecopyrightdeIECousivousdesirezobtenirdesdroitsSupplementairessurcettepublication,UtilisezIesCoordonneesci-apresoucontactezIeComitenationaldeIECdevotrepaysderesidence.IECSecretariatTel.:+412291902113,ruedeVarembeinfoiec.chwww.iec.chCH-1211Geneva20SwitzerlandAbouttheIECTheInter
6、nationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,aco
7、rrigendumoranamendmentmighthavebeenpublished.IECpublicationssearch-webstore.iec.ch/advsearchformTheadvancedsearchenablestofindIECpublicationsbyavarietyofcriteria(referencenumber,text,technicalcommittee,.).Italsogivesinformationonprojects,replacedandwithdrawnpublications.IECJustPublished-webstore.iec
8、ch/justpublishedStayuptodateonallnewIECpublications.JustPublisheddetailsallnewpublicationsreleased.Availableonlineandonceamonthbyemail.IECCustomerServiceCentre-webstore.iec.ch/cscIfyouwishtogiveusyourfeedbackonthispublicationorneedfurtherassistance,pleasecontacttheCustomerServiceCentre:SaIeSiec.ch.
9、IECProducts&ServicesPortal-products.iec.chDiscoverourpowerfulsearchengineandreadfreelyallthepublicationspreviews,graphicalsymbolsandtheglossary.Withasubscriptionyouwillalwayshaveaccesstouptodatecontenttailoredtoyourneeds.Electropedia-www.electropedia.orgTheworldsleadingonlinedictionaryonelectrotechn
10、ology,containingmorethan22500terminologicalentriesinEnglishandFrench,withequivalenttermsin25additionallanguages.AlsoknownastheInternationalElectrotechnicalVocabulary(IEV)online.AproposdeIECLaCommissionElectrotechniqueInternationale(IEC)estIapremiereorganisationmondialequielaboreetpubliedesNormesinte
11、rnationalespourtoutcequiatraitaelectricite,Welectroniqueetauxtechnologiesapparentees.AproposdespublicationsIECLecontenutechniquedespublicationsIECestConstammentrevu.Veuillezvousassurerquevousposs6dez6ditionIaplusrecente,uncorrigendumouamendementpeutavoiret6publie.RecherchedepublicationsIEC-webstore.
12、iec.ch/advsearchformLarechercheavanceepermetdetrouverdespublicationsIECenUtilisantdifferentsCriteres(numerodereference,texte,mit6d,6tudes,).ElledonneaussidesinformationssurIesprojetsetIespublicationsremplacesouretires.IECJustPublished-webstore.iec.ch/justpublishedRestezinformesurIesnouvellespublicat
13、ionsIEC.JustPublisheddetailleIesnouvellespublicationsparues.DisponibleenIigneetunefoisparmoisparemail.ServiceClients-webstore.iec.ch/cscSivousdsireznousdonnerdesCommentairessurcettepublicationousivousavezdesquestionscontactez-nous:salesiec.ch.IECProducts&ServicesPortal-products.iec.chDecouvreznotrep
14、uissantmoteurderechercheetConsultezgratuitementtousIesaperusdespublications,symbolesgraphiquesetIeglossaire.Avecunabonnement,vousaureztoujoursaccesauncontenuajouradapteavosbesoins.Electropedia-www.electropedia.orgLepremierdictionnairedelectrotechnologieenIigneaumonde,avecplusde22500articlesterminolo
15、giquesenanglaisetenfranais,ainsiqueIestermesequivalentsdans25Ianguesadditionnelles.EgalementappeleVocabulaireElectrotechniqueInternational(IEV)enIigne.IEC60794-1-208Edition1.02025-04INTERNATIONALSTANDARDNORMEINTERNATIONALEOpticalfibrecables-Part1-208:Genericspecification-Basicopticalcabletestprocedu
16、res-Environmentaltestmethods-Pneumaticresistance,MethodF8Cablesafibresoptiques-Partie1-208:Specificationgenerique-ProceduresTondamentalesd,essaisdescablesoptiques-Methodesd,essaisd,environnement-Resistancepneumatique,MethodeF8INTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATI
17、ONALEICS33.180.10ISBN978-2-8327-0360-1Warning!Makesurethatyouobtainedthispublicationfromanauthorizeddistributor.Attention!Veuillezvousassurerquevousavezobtenucettepublicationviaundistributeuragree.RegisteredtrademarkoftheInternationalElectrotechnicalCommissionMarquedeposeedeIaCommissionElectrotechni
18、queInternationaleCONTENTSFOREWORD3INTRODUCTION51 Scope62 Normativereferences63 Termsanddefinitions64 Generalrequirements65 MethodF8:Pneumaticresistance65.1 Object65.2 Sample75.3 Apparatus75.4 Procedure75.5 Requirements75.6 Detailstobespecified75.7 Detailstobereported8Internationalelectrotechnicalcom
19、missionOPTICALFIBRECABLES-Part1-208:Genericspecification-Basicopticalcabletestprocedures-Environmentaltestmethods-Pneumaticresistance,MethodF8FOREWORD1) TheInternationalElectrotechnicalCommission(IEC)isaworldwideorganizationforstandardizationcomprisingallnationalelectrotechnicalcommittees(IECNationa
20、lCommittees).TheobjectofIECistopromoteinternationalco-operationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.Tothisendandinadditiontootheractivities,IECpublishesInternationalStandards,TechnicalSpecifications,TechnicalReports,PubliclyAvailableSpecifications(PAS)andGuides(h
21、ereafterreferredtoas,IECPubIication(三).Theirpreparationisentrustedtotechnicalcommittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmayparticipateinthispreparatorywork.International,governmentalandnon-governmentalorganizationsliaisingwiththeIECalsoparticipateinthispreparation.IECcollaborat
22、escloselywiththeInternationalOrganizationforStandardization(ISO)inaccordancewithconditionsdeterminedbyagreementbetweenthetwoorganizations.2) TheformaldecisionsoragreementsofIEContechnicalmattersexpress,asnearlyaspossible,aninternationalconsensusofopinionontherelevantsubjectssinceeachtechnicalcommitt
23、eehasrepresentationfromallinterestedIECNationalCommittees.3) IECPublicationshavetheformofrecommendationsforinternationaluseandareacceptedbyIECNationalCommitteesinthatsense.WhileallreasonableeffortsaremadetoensurethatthetechnicalcontentofIECPublicationsisaccurate,IECcannotbeheldresponsibleforthewayin
24、whichtheyareusedorforanymisinterpretationbyanyenduser.4) Inordertopromoteinternationaluniformity,IECNationalCommitteesundertaketoapplyIECPublicationstransparentlytothemaximumextentpossibleintheirnationalandregionalpublications.AnydivergencebetweenanyIECPublicationandthecorrespondingnationalorregiona
25、lpublicationshallbeclearlyindicatedinthelatter.5) IECitselfdoesnotprovideanyattestationofconformity.Independentcertificationbodiesprovideconformityassessmentservicesand,insomeareas,accesstoIECmarksofconformity.IECisnotresponsibleforanyservicescarriedoutbyindependentcertificationbodies.6) Alluserssho
26、uldensurethattheyhavethelatesteditionofthispublication.7) NoliabilityshallattachtoIECoritsdirectors,employees,servantsoragentsincludingindividualexpertsandmembersofitstechnicalcommitteesandIECNationalCommitteesforanypersonalinjury,propertydamageorotherdamageofanynaturewhatsoever,whetherdirectorindir
27、ect,orforcosts(includinglegalfees)andexpensesarisingoutofthepublication,useof,orrelianceupon,thisIECPublicationoranyotherIECPublications.8) AttentionisdrawntotheNormativereferencescitedinthispublication.Useofthereferencedpublicationsisindispensableforthecorrectapplicationofthispublication.9) IECdraw
28、sattentiontothepossibilitythattheimplementationofthisdocumentmayinvolvetheuseof（八）patent(三).IECtakesnopositionconcerningtheevidence,validityorapplicabilityofanyclaimedpatentrightsinrespectthereof.Asofthedateofpublicationofthisdocument,IEChadnotreceivednoticeof（八）patent(三),whichmayberequiredtoimpleme
29、ntthisdocument.However,implementersarecautionedthatthismaynotrepresentthelatestinformation,whichmaybeobtainedfromthepatentdatabaseavailableathttps:/patents.iec.ch.IECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.IEC60794-1-208hasbeenpreparedbysubcommittee86A:Fibresandcables,ofIECte
30、chnicalcommittee86:Fibreoptics.ItisanInternationalStandard.ThisfirsteditionofIEC60794-1-208cancelsandreplacesmethodF8ofthesecondeditionofIEC60794-1-22publishedin2017.Thiseditionconstitutesatechnicalrevision.Thiseditionincludesthefollowingsignificanttechnicalchangeswithrespecttothepreviousedition:a)
31、theformoftheformulaforpneumaticresistanceismodifiedforeaseofcalculationwithtestpressuresotherthan62kPa;b) detailstobereportedareadded.ThetextofthisInternationalStandardisbasedonthefollowingdocuments:DraftReportonvoting86A2539FDIS86A2556RVDFullinformationonthevotingforitsapprovalcanbefoundinthereport
32、onvotingindicatedintheabovetable.ThelanguageusedforthedevelopmentofthisInternationalStandardisEnglish.ThisdocumentwasdraftedinaccordancewithISO/IECDirectives,Part2,anddevelopedinaccordancewithISO/IECDirectives,Part1andISO/IECDirectives,IECSupplement,availableatwww.iec.ch/members_experts/refdocs.Them
33、aindocumenttypesdevelopedbyIECaredescribedingreaterdetailatwww.iec.ch/publications.AlistofallpartsintheIEC60794series,publishedunderthegeneraltitleOpticalfibrecables,canbefoundontheIECwebsite.ThecommitteehasdecidedthatthecontentsofthisdocumentwillremainunchangeduntilthestabilitydateindicatedontheIEC
34、websiteunderwebstore.iec.chinthedatarelatedtothespecificdocument.Atthisdate,thedocumentwillbe reconfirmed, withdrawn,orrevised.IntroductionTheenvironmentaltestcontainedinIEC60794-1-22:2017willnowbeindividuallynumberedintheIEC60794-1-2xxseries.Eachtestmethodisnowconsideredtobeanindividualdocumentrath
35、erthanpartofamulti-testmethodcompendium.Fullcross-referencedetailsaregiveninIEC60794-1-2.OPTICALFIBRECABLES-Part1-208:Genericspecification-Basicopticalcabletestprocedures-Environmentaltestmethods-Pneumaticresistance,MethodF81 ScopeThispartofIEC60794describestestprocedurestobeusedinestablishingunifor
36、mrequirementsforopticalfibrecablesforthepneumaticresistanceenvironmentalproperty,forunfilledcableswhichareprotectedbygaspressurization.Thisdocumentappliestoopticalfibrecablesforusewithtelecommunicationequipmentanddevicesemployingsimilartechniques,andtocableshavingacombinationofbothopticalfibresandel
37、ectricalconductors.NOTEThroughoutthedocument,thewordingopticalcablecanalsoincludeopticalfibreunits,microductfibreunits,etc.2 NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncited
38、applies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.IEC60794-1-2,Opticalfibrecables-Part1-2:Genericspecification-Basicopticalcabletestprocedures-Generalguidance3 TermsanddefinitionsNotermsanddefinitionsarelistedinthisdocument.ISOandIECmaintainterminolo
39、gydatabasesforuseinstandardizationatthefollowingaddresses: IECElectropedia:availableathttps:/www.electropedia.org/ ISOOnlinebrowsingplatform:availableathttps:/www.iso.org/obp4 GeneralrequirementsIEC60794-1-2isthereferenceguidancetotestmethodsofalltypes.Itshallbeconsideredforgeneralrequirementsanddef
40、initions.5 MethodF8:Pneumaticresistance5.1 ObjectThistestappliesonlytounfilledcableswhichareprotectedbygaspressurization.Thepurposeistomeasurethepneumaticresistancetogasflowofsuchcables.Thepneumaticresistanceofpressurizedcablesisrequiredtoensureadequatefunctioningofthegaspressurizationprocessandsyst
41、ems.Theresultsobtainedusingdryaircanbeusedtocalculatetheperformanceusingothergases.5.2 SampleThesampleoffinishedcableshallhavealengthsufficienttocarryoutthetestspecified.5.3 ApparatusTheapparatusshallconsistofthefollowing:a)pneumaticequipmenttosupplyaregulatedpressureofairtothesample;b)aflow-meter;c
42、)abarometer;d)athermometer5.4 ProcedureTheambienttemperatureandbarometricpressureshallbemeasured.Thelengthoffinishedcableshallhaveoneendconnectedtoasteadystatesourceofdryairtobemeasuredbytheflow-meter,suppliedbyapressureregulatedsourceprovidingairwithadrynessof5%RHorlower,at+20.Theotherendofthecable
43、shallbeopentotheatmosphere.ThepressurePappliedacrossthecableshouldbe62kPawitharelativetoleranceof2%,andthesteadystateairflowshallberecordedusingaflow-metercalibratedto10%.Otherpressurescanbeappliedinaccordancewithparticularuserrequirementsandspecifiedinthedetailspecification.Onlythoseairpathswhichac
44、cesstheinteriorofthesheathshallbeusedinthemeasurement.Asecondmeasurementshallbemadewiththeairflowdirectionreversed,andtheresultsshallberecordedseparately.Thepneumaticresistanceisderivedfromthefollowingformula:R=kPas(mm/wherePisthetestpressure,inkilopascal(kPa);Listhesamplelength,inmetres(m);fisthefl
45、owrate,incubicmetrespersecond(m3s).5.5 RequirementsThepneumaticresistancesofbothdirectionsshallcomplywiththemaximumvaluegiveninthedetailspecification.5.6 DetailstobespecifiedThedetailspecificationshallincludethefollowing:a)maximumpneumaticresistance;b)samplelength;c)pressure,ifdifferentfrom62kPa.5.7
46、DetailstobereportedThetestreportshallincludethefollowing:a)detaileddescriptionofthetestsample(cabletype);b)pneumaticresistancesofbothdirections;c)samplelength;d)pressure.SommaireAvant-PROPOSnINTRODUCTION131 Domainedapplication142 Referencesnormatives143 Termesetdefinitions144 Exigencesgenerales145 M
47、ethodeF8:Resistancepneumatique155.1 Objet155.2 Echantillon155.3 Appareillage155.4 Procedure155.5 Exigences165.6 Informationsdetailleesaspecifier165.7 Informationsdetailleesaconsigner16COMMISSIONELECTROTECHNIQUEINTERNATIONALECABLESAFIBRESOPTIQUES-Partie1-208:Specificationgenerique-ProceduresTondament
48、alesd,essaisdescablesoptiques-Methodesd,essaisdenvironnement-Resistancepneumatique,MethodeF8AVANT-PROPOS1) LaCommissionElectrotechniqueInternationale(IEC)estuneorganisationmondialedenormalisationcomposeedeensembledescomiteselectrotechniquesnationaux(ComitesnationauxdeIEC).L,IECapourobjetdefavoriserIacooperationinternationalepourtoutesIesquestionsdenormalisationdansIesdomainesdeelectriciteetdeelectronique.Aceteffet,IEC-
