ANSI/UL 844-2008 危险(已分类)场所用照明设备的安全标准
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【英文标准名称】:StandardforSafetyforLuminairesforUseinHazardous(Classified)Locations
【原文标准名称】:危险(已分类)场所用照明设备的安全标准
【标准号】:ANSI/UL844-2008
【标准状态】:作废
【国别】:美国
【发布日期】:2008-01-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电子照明系统;危险场所分类(电气设备用);灯;照明设备;信号装置;警告装置
【英文主题词】:Electriclightingsystem;Hazardousareasclassification(forelectricalequipment);Lamps;Lightingsystems;Signaldevices;Warningdevices
【摘要】:
【中国标准分类号】:K73
【国际标准分类号】:
【页数】:
【正文语种】:英语
【英文标准名称】:Explosiveatmospheres.Equipmentwithequipmentprotectionlevel(EPL)Ga
【原文标准名称】:爆炸性环境.设备保护等级(EPL)为Ga级的设备
【标准号】:BSEN60079-26-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-10-31
【实施或试行日期】:2007-10-31
【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】:环境;燃烧气体;分类;分类系统;危险区域;设计;电气器具;电气工程;电气设备;电气装置;电驱动装置;设备;爆炸区;爆炸危险;防爆;爆炸安全;防爆作用;爆炸物;爆炸性环境;炸药;可燃性环境;易燃材料;易燃性;作标记;隔墙;潜在爆炸物;防护电气设备;保护措施;安全性;安全性要求;规范(验收);测试;保护形式;通风
【英文主题词】:Atmosphere;Burninggases;Classification;Classificationsystems;Dangerzones;Design;Electricappliances;Electricalengineering;Electricalequipment;Electricalinstallations;Electrically-operateddevices;Equipment;Explosionarea;Explosionhazard;Explosionprotection;Explosionsecurity;Explosion-proof;Explosive;Explosiveatmospheres;Explosives;Flammableatmospheres;Flammablematerials;Inflammable;Marking;Partitions;Potentiallyexplosivematerials;Protectedelectricalequipment;Protectivemeasures;Safety;Safetyrequirements;Specification(approval);Testing;Typeofprotection;Ventilation
【摘要】:ThispartofIEC60079specifiestheparticularrequirementsforconstruction,testandmarkingforelectricalequipmentthatprovidesequipmentprotectionlevel(EPL)Ga.Thiselectricalequipment,withintheoperationalparametersspecifiedbythemanufacturer,ensuresaveryhighlevelofprotectionthatincludesrarefaultsrelatedtotheequipmentortwofaultsoccurringindependentlyofeachother.NOTE1Amalfunctionmayresultfromafailureofthecomponentpartsoftheelectricalequipmentorfromanticipatedexternallyappliedinfluences.Twoindependentmalfunctionswhichmayoccurmorefrequentlyandwhich,separately,wouldnotcreateanignitionhazardbutwhich,incombination,couldcreateapotentialignitionhazard,shouldberegardedasoccurringtogethertoformararefault.NOTE2Thiselectricalequipmentisintendedforuseinzone0hazardousareas,inwhichexplosivegasatmospherescausedbymixturesofairandgases,vapoursormistsundernormalatmosphericconditionsarepresentcontinuously,forlongperiodsorfrequently.Thisstandardalsoappliestoequipmentmountedacrossaboundarywheredifferentprotectionlevelsmayberequired.EXAMPLE:Inthewallofastoragevesselcontainingzone0withanambientdefinedaszone1.Thisstandardalsoappliestoequipmentinstalledinanarearequiringalowerprotectionlevel,butelectricallyconnectedtoequipmentwithequipmentprotectionlevel(EPL)Ga(associatedapparatus).ThisstandardsupplementsthegeneralrequirementsinIEC60079-0andtherequirementsofthestandardizedtypesofprotection,inaccordancewiththeIEC60079series,toadaptthelevelofsafetyprovidedbythosestandardsinordertoprovideEPLGa.
【中国标准分类号】:K35
【国际标准分类号】:13_230;29_260_20
【页数】:28P.;A4
【正文语种】:英语
【英文标准名称】:GreenhouseorGrowthChamberEvaluationofNematicidesAgainstRoot-KnotNematode
【原文标准名称】:杀线虫剂杀线虫效力的温室或培育室评定准则
【标准号】:ASTME614-1992
【标准状态】:作废
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:农药;危险物质;线虫门;暖房;生长;污染控制;根;试样;指导手册
【英文主题词】:glasshouses;nematoda;pollutioncontrol;resourcerecovery;testspecimens;dangerousmaterials;growth;roots(plants);guidebooks;pesticides
【摘要】:
【中国标准分类号】:B17
【国际标准分类号】:65_100
【页数】:3P;A4
【正文语种】:英语