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IEC 60598-2-24-1997 灯具第2部分:特殊要求第24节:限制表面温度的灯具

作者:标准资料网 时间:2024-05-21 00:23:26  浏览:9161   来源:标准资料网
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【英文标准名称】:Luminaires-Part2-24:Particularrequirements-Luminaireswithlimitedsurfacetemperatures
【原文标准名称】:灯具第2部分:特殊要求第24节:限制表面温度的灯具
【标准号】:IEC60598-2-24-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC34D
【标准类型】:()
【标准水平】:()
【中文主题词】:白炽灯;电气工程;照明系统;表面温度;灯具;规范(验收)
【英文主题词】:Electricalengineering;Incandescentlamps;Lightingsystems;Luminaires;Specification(approval);Surfacetemperatures
【摘要】:ThissectionofIEC60598-2specifiesrequirementsforluminairesintendedforusewherethenecessityoflimitedtemperatureontheoutersurfaceexists,duetotheriskofcombustibledustaccumulatingontheluminaires,butwheretheriskofexplosionintheatmospheredoesnotexist.Theluminairesareforusewithelectriclightsourcesonsupplyvoltagesnotexceeding1000V.Thisstandardspecificallyexcludesrequirementsforluminairesforuseinexplosivegasatmospheresandexplosivedustatmospheres.Aspeciallimitationofthetemperatureofluminaireslikelytobecoveredbycombustibledustapplies,forinstanceinlocationswheretextilematerialsareprocessedorstoredandinspaceswherecombustibledust,forinstancecolourpowder,wooddust,graindust,flourandtextiledust,areaccumulatedinlargequantitiesbutwheretheriskofexplosiondoesnotexist.1NormativereferencesThefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthissectionofIEC60598-2.Atthetimeofpublication,theeditionsindicatedwerevalid.Allnormativedocumentsaresubjecttorevision,andpartiestoagreementsbasedonthissectionofIEC60598-2areencouragedtoinvestigatethepossibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.MembersofIECandISOmaintainregistersofcurrentlyvalidinternationalStandards.IEC60050(426):1990,InternationalElectrotechnicalVocabulary-Chapter426:ElectricalapparatusforexplosiveatmospheresIEC60598-1:1996,Luminaires-Part1:GeneralrequirementsandtestsISO4225:1994,Airquality-Generalaspects-Vocabulary
【中国标准分类号】:K72
【国际标准分类号】:29_140_40
【页数】:13P.;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforFluxLeakageExaminationofFerromagneticSteelTubularProducts
【原文标准名称】:铁磁钢管形制品的磁力泄漏检验的标准实施规程
【标准号】:ASTME570-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:electromagnetic(eddycurrent)testing;ferromagnetic;fluxleakage;NDT;nondestructivetesting;steel;tubularproducts;Discontinuities--metals/alloys;Electromagnetic(eddycurrent)testing;Ferromagneticpipe/tube;Fluxleaktesting;Leaktesti
【摘要】:Thispracticeoutlinesaprocedureforexaminingferromagnetictubularproductsusingthefluxleakagemethod.Ifproperlyapplied,thismethodiscapableofdetectingthepresenceandlocationofsignificantlongitudinallyortransverselyorienteddiscontinuitiessuchaspits,scabs,slivers,gouges,roll-ins,laps,seams,cracks,holes,andimproperweldsinferromagnetictubesunderinspection.Inaddition,theseverityofadiscontinuitymaybeestimatedandarejectionlevelsetwithrespecttothemagnitudeoftheelectromagneticindicationproducedbythediscontinuity.Theresponsefromnaturaldiscontinuitiescanbesignificantlydifferentfromtheresponseforartificialdiscontinuitiessuchasdrilledholesornotchesofequivalentdepth.Forthisreason,sufficientworkshouldbedonetodeterminetheconditionsnecessarytodetectandmarknaturaldiscontinuitieswhosecharacteristicswilladverselyaffecttheserviceabilityofthetube,inordertoestablishacceptancecriteriabetweenthesupplierandpurchaser.1.1Thispracticecoverstheapplicationandstandardizationofequipmentusingthefluxleakagetestmethodfordetectionofoutersurface,innersurface,andsubsurfacediscontinuitiesinferromagneticsteeltubularproducts(Note1)ofuniformcrosssectionsuchasseamlessandweldedtubing.Note18212;Thetermx201C;tubex201D;orx201C;tubularproductx201D;willbeusedtorefertobothpipeandtubing.1.2Thispracticeisintendedforuseontubularproductshavingoutsidediametersfromapproximatelyx00BD;to24in.(12.7to610mm)withwallthicknessestox00BD;in(12.7mm).Thesetechniqueshavebeenusedforothersizes,however,andmaybesospecifieduponcontractualagreementbetweenthepurchaserandthesupplier.1.3Thispracticedoesnotestablishacceptancecriteria;theymustbespecifiedbytheusingparties.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:77_140_40
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:Multimediasystemsandequipment-Multimediae-publishingande-bookstechnologies-Texturemapforauditorypresentationofprintedtexts
【原文标准名称】:多媒体系统和设备.多媒体电子出版和电子书技术.印刷文本的听觉表象用材质贴图
【标准号】:IEC62665-2012
【标准状态】:现行
【国别】:国际
【发布日期】:2012-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:残疾人辅助器具;算法;听得见的;译码;数据交换;解码;定义;文件转换;电子图书;编码;电子出版;设备;信息交换;绘制地图;多媒体;感知;印刷;规范(验收);文本;组织;弱视者
【英文主题词】:Aidsforthedisabled;Algorithms;Audible;Coding;Dataexchange;Decoding;Definitions;Documentinterchange;E-book;Encoding;E-publishing;Equipment;Informationinterchange;Mapping;Multimedia;Perception;Printed;Specification(approval);Text;Texture;Weak-sightedpeople
【摘要】:
【中国标准分类号】:M70
【国际标准分类号】:33_160_99;35_240_30
【页数】:48P;A4
【正文语种】:英语



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