EN 50054 1998 Electrical apparatus for the detection and measurement of

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1、STD-CENELECEN5005V-ENGL1990=3404583O1Bb925871RATIFIEDEUROPEANTEXTIIIEN50054:1998IEuropeanStandardsonlyexistformallyasnationaltranspositions(Le.aBSENfortheüK)ofacommonlyagreed"ratified"text.ThisdocumentisaratifiedtextwhichwillshortlybepublishedasaBSEN.Itisbeingmadeavailableinadvan

2、ceofitsformalpublicationtogiveinterestedpartiesearlyaccesstothetechnicalinformationwhichtheBSENwillcontain.WhentheBSENisformallypublisheditwillbesuppliedtoyouautomatically,withoutanyadditionalcharge.Purchasersofthisratifiedtextshouldbeawareofthefollowinglimitationswhenusingthedoc

3、ument.OTheBSENmaycontainadditionalinformationinthenationalforewordornationalannex,FullrighîsconferredbycompliancewiththestandardmayonlybegrantedbyreferencetothefmalnationaltranspositionofthetextasaBSEN.*ThisratifiedtextwasapprovedbyCEN/CENELECinitsthreeofficiallanguagesonthe3date

4、givenbelow.UnderCEN/CENELECrules,BSIisobligedtopublishitsnational*transpositionwithinsixmonthsofthisdate.ThisratifiedtextwasapprovedonI1998-12691NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWCopyrightEuropeanCommitteeforElectrotechnicalStandardizationProvidedbyIHSun

5、derlicensewithCENELECNoreproductionornetworkingpermittedwithoutlicensefromIHS____~~~STDSCENELECEN50054-ENGL1778W3404583O18b72b7280EUROPEANSTANDARDEN50054NORMEEUROPÉENNEEUROPÄISCHENORMJuly1998ICs13.220.6019.080SupersedesENSOOS41991+A1:1995Descriptors:Electricalapparatus,explosivea

6、tmosphere.detector,measuringapparutus,flammablegas,combustiblegss,óafetyrequirement,testmethodEnglishversionElectricalapparatusforthedetectionandmeasurementofcombustiblegasesGeneralrequirementsandtestmethodsAppareilsélectriquesdedétectionetdeElektrischeGerätefürdasAufspürenmesure

7、desgazcombustiblesunddieMessungbrennbarerGaseRèglesgénéralesetméthodesd'essaisAllgemeineAnforderungenundPrüfmethodenThisEuropeanStandardwasapprovedbyCENELECon1996-12-09.CENELECmembersareboundtocomplywiththeCENICENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuro

8、peanStandardthestatusofanationalstandard