IEC 60598-2-3 Edition 3.1-2011 照明设备.第2-3部分:道路和街道照明灯具特殊要求
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【英文标准名称】:Luminaires-Part2-3:Particularrequirements-Luminairesforroadandstreetlighting
【原文标准名称】:照明设备.第2-3部分:道路和街道照明灯具特殊要求
【标准号】:IEC60598-2-3Edition3.1-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-11
【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】:
【英文主题词】:Classification;Connections;Definitions;Design;Dischargelamps;Durability;Earthconductors;Electriccables;Electricterminals;Electricalengineering;Electricalproperties;Electricalpropertiesandphenomena;Electricalsafety;Fluorescentlamps;Illuminatingengineering;Illuminationengineering;Impactresistance;Incandescentlamps;Inscription;Inspection;Lightingsystems;Luminaires;Marking;Protectionagainstelectricshocks;Roadlighting;Shockresistance;Specification(approval);Streetlighting;Testing;Testingrequirements;Tubularshape
【摘要】:
【中国标准分类号】:K72
【国际标准分类号】:29_140_40;93_080_40
【页数】:34P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforDiscontinuity(Holiday)TestingofNonconductiveProtectiveCoatingonMetallicSubstrates
【原文标准名称】:金属衬底上非传导保护涂料的间断性(假期)检验标准实施规程
【标准号】:ASTMD5162-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D01.46
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:discontinuity;highvoltage;holiday;holidaydetectors;lowvoltage;newlinings;sparktesters;wetspongetypeinstruments;Discontinuities--coatings;Electricalmeasurements--coatingapplications;Substrates--coatingapplications;Substrates--metalli
【摘要】:Acoatingisappliedtoametallicsubstratetopreventcorrosion,reduceabrasionorreduceproductcontamination,orallthree.Thedegreeofcoatingcontinuityrequiredisdictatedbyserviceconditions.Discontinuitiesinacoatingarefrequentlyveryminuteandnotreadilyvisible.Thispracticeprovidesaprocedureforelectricaldetectionofminutediscontinuitiesinnonconductivecoatingsystems.Electricaltestingtodeterminethepresenceandnumberofdiscontinuitiesinacoatingfilmisperformedonanonconductivecoatingappliedtoanelectricallyconductivesurface.Theallowablenumberofdiscontinuitiesshouldbedeterminedpriortoconductingthistestsincetheacceptablequantityofdiscontinuitieswillvarydependingoncoatingfilmthickness,design,andserviceconditions.Thelowvoltagewetspongetestequipmentisgenerallyusedfordeterminingtheexistenceofdiscontinuitiesincoatingfilmshavingatotalthicknessof0.5mm(20mil)orless.Highvoltagesparktestequipmentisgenerallyusedfordeterminingtheexistencesofdiscontinuitiesincoatingfilmshavingatotalthicknessofgreaterthan0.5mm(20mil).Coatingsthatareappliedatathicknessoflessthan0.5mm(20mil)maybesusceptibletodamageiftestedwithhighvoltagesparktestingequipment.Consultthecoatingmanufacturerforpropertestequipmentandinspectionvoltages.Topreventdamagetoacoatingfilmwhenusinghighvoltagetestinstrumentation,totalfilmthicknessanddielectricstrengthinacoatingsystemshallbeconsideredinselectingtheappropriatevoltagefordetectionofdiscontinuities.Atmosphericconditionsshallalsobeconsideredsincethevoltagerequiredforthesparktogapagivendistanceinairvarieswiththeconductivityoftheairatthetimethetestisconducted.SuggestedstartingvoltagesareprovidedinTable1.Thecoatingmanufacturershallbeconsultedtoobtainthefollowinginformation,whichwouldaffecttheaccuracyofthistesttodeterminediscontinuities:Establishthelengthoftimerequiredtoadequatelydryorcuretheappliedcoatingfilmpriortotesting.Solventsretainedinanuncuredcoatingfilmmayformanelectricallyconductivepaththroughthefilmtothesubstrate.Determinewhetherthecoatingcontainselectricallyconductivefillersorpigmentsthatmayaffectthenormaldielectricproperties.Thispracticeisintendedforusewithnewliningsappliedtometalsubstrates.Itsuseonacoatingpreviouslyexposedtoanimmersionconditionhasoftenresultedindamagetothecoatingandhasproducederroneousdetectionofdiscontinuitiesduetopermeationormoistureabsorptionofthecoating.Depositsmayalsobepresentonthesurfacecausingtelegraphing(currenttravelingthroughamoisturepathtoadiscontinuity,givinganerroneousindication)orcurrentleakageacrossthesurfaceofthecoatingduetocontamination.Theuseofahighvoltagetesteronpreviouslyexposedcoatingshastobecarefullyconsideredbecauseofpossiblespark-through,whichwilldamageanotherwisesoundcoating.Althoughalowvoltagetestercanbeusedwithoutdamagingthecoating,itmayalsoproduceerroneousresults.1.1Thispracticecoversproceduresfordeterminingdiscontinuitiesusingtwotypesoftestequipment:1.1.1TestMethodA8212;LowVoltageWetSponge,and1.1.2TestMethodB8212;HighVoltageSparkTesters.1.2Thispracticeaddressesmetallicsubstrates.Forconcretesurfaces,refertoPracticeD4787.1.3ThevaluesstatedinSIunitsaretoreregardedasthestandard.Thevaluesgiveninparentheses......
【中国标准分类号】:A29
【国际标准分类号】:25_220_20
【页数】:5P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 限位器 |
| 中标分类： |
机械 >>
工艺装备 >>
一般卡具 |
| 发布日期： | 1990-09-12 |
| 实施日期： | 1990-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 5页 |
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所属分类： 机械 工艺装备 一般卡具
