NF S81-520-1-1996 钟表业.防磁表.第1部分:一般用途
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【英文标准名称】:Horology.Antimagneticwatches.Part1:commonuse.
【原文标准名称】:钟表业.防磁表.第1部分:一般用途
【标准号】:NFS81-520-1-1996
【标准状态】:作废
【国别】:法国
【发布日期】:1996-06-01
【实施或试行日期】:1996-06-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Y11
【国际标准分类号】:39_040_10
【页数】:4P;A4
【正文语种】:其他
【英文标准名称】:Electricalapparatusforexplosivegasatmospheres-Part26:Construction,testandmarkingofGroupⅡCategory1Gelectricalapparatus
【原文标准名称】:爆炸性气体环境用电气设备.II组IG类电气设备的制造、试验和标记
【标准号】:BSEN60079-26-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2005-02-02
【实施或试行日期】:2005-02-02
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:通风;防护电气设备;电气设备;爆炸性;分类系统;潜在爆炸物;危险区域;大气;爆炸危险;爆炸性环境;保护形式;隔墙;电驱动装置;易燃材料;保护措施;设计;定义;试验;分类;易燃性;设备;防爆;炸药;燃烧气体;爆炸区;规范(验收);作标记;安全要求;电气工程;安全;可燃性环境;多语种的
【英文主题词】:Atmosphere;Burninggases;Classification;Classificationsystems;Dangerzones;Definition;Definitions;Design;Electricappliances;Electricalengineering;Electricalequipment;Electricalinstallations;Electrically-operateddevices;Equipment;Explosionarea;Explosionhazard;Explosionprotection;Explosionsecurity;Explosion-proof;Explosive;Explosiveatmospheres;Explosives;Flammableatmospheres;Flammablematerials;Inflammable;Marking;Multilingual;Partitions;Potentiallyexplosivematerials;Protectedelectricalequipment;Protectivemeasures;Safety;Safetyrequirements;Specification(approval);Testing;Typeofprotection;Ventilation
【摘要】:ThispartofIEC60079specifiestheparticularrequirementsforconstruction,testandmarkingforelectricalapparatusofGroupⅡintendedforuseinZone0asdefinedinIEC60079-10.Thiselectricalapparatus,withintheoperationalparametersspecifiedbythemanufacturer,ensuresaveryhighlevelofprotectionthatincludesrarefaultsrelatedtotheapparatusortwofaultsoccurringindependentlyofeachother.NOTE1Amalfunctionmayresultfromafailureofthecomponentpartsoftheelectricalapparatusorfromanticipatedexternallyappliedinfluences.Twoindependentmalfunctionswhichmayoccurmorefrequentlyandwhich,separately,wouldnotcreateanignitionhazardbutwhich,incombination,couldcreateapotentialignitionhazard,shouldberegardedasoccurringtogethertoformararefault.ThiselectricalapparatusisintendedforuseinZone0hazardousareas,inwhichexplosivegasatmospherescausedbymixturesofairandgases,vapoursormistsundernormalatmosphericconditionsarepresentcontinuously,forlongperiodsorfrequently.ThisstandardalsoappliestoapparatusmountedacrosstheboundarybetweenZone0andZone1.EXAMPLE:Inthewallofastoragevessel.ThisstandardalsoappliestoapparatusinstalledoutsideZone0,butelectricallyconnectedtoapparatusinsideZone0(associatedapparatus).ThisstandardsupplementsthegeneralrequirementsinIEC60079-0andtherequirementsofthestandardizedtypesofprotection,inaccordancewiththeIEC60079series,toadaptthelevelofsafetyprovidedbythosestandardstotheveryhighlevelofriskinZone0.NOTE2IndesigningapparatusforoperationinexplosivegasatmospheresunderconditionsotherthantheatmosphericconditionsgiveninIEC60079-0,thisstandardmaybeusedasaguide.However,additionaltestingisrecommendedrelatedspecificallytotheintendedconditionsofuse.Thisisparticularlyimportantwhenthetypesofprotection'Flameproofenclosure'(IEC60079-1)and'Intrinsicsafety'(IEC60079-11)areapplied.NOTE3TheclassificationofhazardousareasinzonesisdefinedinIEC60079-10.NOTE4Theremaybeothernon-electricalsourcesofignition(forexampleultrasonic,opticalorionizingradiation)thatarenotaddressedbythisstandard;theseshouldalsobetakenintoconsideration(see,forexample,EN1127-1).
【中国标准分类号】:K35
【国际标准分类号】:13_230;29_260_20
【页数】:20P.;A4
【正文语种】:英语
【英文标准名称】:Testingoflatex;determinationofpH
【原文标准名称】:乳胶的检验.PH值的测定
【标准号】:DIN53606-1980
【标准状态】:作废
【国别】:德国
【发布日期】:1980-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;测量;pH值测定;胶乳;橡胶浆;pH值
【英文主题词】:testing;phmeasurement;measurement;latex;latices;ph
【摘要】:
【中国标准分类号】:G34
【国际标准分类号】:6838
【页数】:2P;A4
【正文语种】:德语
