IEC 60079-7-2001 爆炸性气体环境用电气设备第7部分：增安型“e”
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【英文标准名称】:Electricalapparatusforexplosivegasatmospheres-Part7:Increasedsafety"e"
【原文标准名称】:爆炸性气体环境用电气设备第7部分：增安型“e”
【标准号】:IEC60079-7-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC31
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;设计;电气工程;可燃性环境;防爆;防护电气设备;e型防护电气设备;爆炸性环境;防护等级;定义;定义;电驱动装置
【英文主题词】:
【摘要】:ThispartofIEC60079specifiestherequirementsforthedesign,construction,testingandmarkingofelectricalapparatuswithtypeofprotectionincreasedsafety"e"intendedforuseinexplosivegasatmospheres.Thisstandardappliestoelectricalapparatuswitharatedvalueofsupplyvoltagenotexceeding11kVr.m.s,a.c.ord.c.Additionalmeasuresareappliedtoensurethattheapparatusdoesnotproducearcs,sparks,orexcessivetemperaturesinnormaloperationorunderspecifiedabnormalconditions.ThesespecificrequirementsareadditionaltothegeneralrequirementsinIEC60079-0thatapplytotypeofprotectionincreasedsafety"e"unlessspecificallyexcluded.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:129P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingtheInitialEfficiencyofMaterialsUsedinMedicalFaceMaskstoPenetrationbyParticulatesUsingLatexSpheres
【原文标准名称】:利用胶乳球测定医用面具材料粒子渗透性初始效率的标准试验方法
【标准号】:ASTMF2299/F2299M-2003(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F23.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:filtration;medicalfacemask;particlefiltrationefficiency;particles;particulate;Efficiency;Filtrationperformance;Initialconditions;Initialparticlefiltrationefficiency;Latexspheres;Medicalfacemasks;Monodisperseparticulatematerial
【摘要】:Thistestmethodmeasurestheinitialfiltrationefficiencyofmaterialsusedinmedicalfacemasksbysamplingrepresentativevolumesoftheupstreamanddownstreamlatexaerosolconcentrationsinacontrolledairflowchamber.Thistestmethodprovidesspecifictesttechniquesforbothmanufacturersanduserstoevaluatematerialswhenexposedtoaerosolparticlesizesbetween0.1and5.0x03BC;m.Thistestmethodestablishesabasisofefficiencycomparisonbetweenmedicalfacemaskmaterials.Thistestmethoddoesnotestablishacomprehensivecharacterizationofthemedicalfacemaskmaterialforaspecificprotectiveapplication.Thistestmethoddoesnotassesstheoveralleffectivenessofmedicalfacemasksinpreventingtheinwardleakageofharmfulparticles.Thedesignofthemedicalfacemaskandtheintegrityofthesealofthemedicalfacemasktothewearer''sfacearenotevaluatedinthistest.Thistestmethodisnotsuitableforevaluatingmaterialsusedinprotectiveclothingfordeterminingtheireffectivenessagainstparticulatehazards.Ingeneral,clothingdesignisasignificantfactor,whichmustbeconsideredinadditiontothepenetrationofpenetrationofparticulates.1.1Thistestmethodestablishesproceduresformeasuringtheinitialparticlefiltrationefficiencyofmaterialsusedinmedicalfacemasksusingmonodispersedaerosols.1.1.1Thistestmethodutilizeslightscatteringparticlecountinginthesizerangeof0.1to5.0x03BC;mandairflowtestvelocitiesof0.5to25cm/s.1.2Thetestproceduremeasuresfiltrationefficiencybycomparingtheparticlecountinthefeedstream(upstream)tothatinthefiltrate(downstream).1.3ThevaluesstatedinSIunitsorinotherunitsshallberegardedseparatelyasstandard.Thevaluesstatedineachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.1.4Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section10,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C48
【国际标准分类号】:11_120_20
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:Measuringmethodsandtestingproceduresforelectromechanicalcomponents;test2a:contactresistance,millivoltlevelmethod
【原文标准名称】:机电元件的测量和试验方法；试验2a；接触电阻.毫伏法
【标准号】:DIN41640T.4-1978
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【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】:
【国际标准分类号】:
【页数】:
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