标准资料网-标准资料免费资源平台

【英文标准名称】:Screensforlaserworkingplaces-Safetyrequirementsandtesting
【原文标准名称】:激光工作场所用屏幕.安全要求和试验
【标准号】:BSEN12254-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1999-04-15
【实施或试行日期】:1999-04-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:安全;极限(数学);职业安全;防护服装;护目器;试验;材料强度;激光束机械;耐激光辐射的保护性过滤器;安全工程;稳定性;文献工作;辐射防护;工作场所安全;抗激光辐射保护措施;防护屏蔽;光谱范围;波长范围;防护等级;透射率;工作地点;激光设备;安全要求;制造日期;耐力;控制图;规范(验收);护目眼镜;保护作用;试验条件;激光辐射防护眼镜;操作台;激光辐射;作标记
【英文主题词】:Controlcharts;Dataofthemanufacturer;Eyeprotectors;Goggles(safety);Laserbeammachines;Laserequipment;Laserradiation;Limits(mathematics);Marking;Occupationalsafety;Operatingstations;Operationalinstructions;Protectionagainstlaserradiation;Protectionlevel;Protectiveclothing;Protectiveeffectiveness;Protectivefilteragainstlaserradiation;Radiationprotection;Resistance;Safety;Safetyengineering;Safetyrequirements;Shields;Specification(approval);Spectaclesagainstlaserradiation;Spectralrange;Stability;Strengthofmaterials;Testing;Testingconditions;Transmittance;Userinformation;Wavelengthranges;Workingplaces;Workplacesafety
【摘要】:Thisstandardspecifiesfunctionalrequirementsandaproductlabellingsystemapplicabletoarangeoftemporaryandpermanentpassiveguards(inthefollowingcalledscreens)forprotectionagainstlaserradiation.ThisstandardincludestestmethodsfortestingfunctionalperformanceandalsothespecificationoftheuserdocumentationtobesuppliedwiththeproductThescreensaredesignedtoprotecttheuserfromuncontrolledemissionofdirectand/ordiffuseradiationforadefinedexposuretolasers,basedonthenecessaryfunctionalrequirementsforanyparticularapplicationbeingdeterminedbyriskassessmentprinciples.Thisstandardappliestosupervisedscreensforinstallationsinworkingplacesatwhichlaserradiationuptoamaximummeanpowerof100Worsinglepulseenergyof30Joccurswithinthespectralrangebetween180nm(0,18μm)and10nn(1000μm).Thisstandardappliestoprotectionagainstlaserradiationonly.Thisstandarddoesnotapplytootherhazardsincludinghazardsfromsecondaryradiationthatcanariseduring,forexample,materialprocessing.Thisstandardgivesguidanceonhowtoselectsuchscreens.Thefollowingarenotconsideredtobewithinthescopeofthestandard:—laserenclosuresandhousingsthataresuppliedaspartofthelaserproductoraresuppliedtobefittedtoalasersystemtoformalaserproduct(accordingtoIEC60825-1:1998);—anyscreenwhoseprotectivepropertiesarelimitedtoarestrictedrangeofanglesofincidence(e.g.someinterferencefilters).
【中国标准分类号】:C66
【国际标准分类号】:13_280;13_340_20;31_260
【页数】:18P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforUsingaConeCalorimetertoDetermineFire-Test-ResponseCharacteristicsofInsulatingMaterialsContainedinElectricalorOpticalFiberCables
【原文标准名称】:用锥形量热计对电缆或光缆中绝缘材料的着火试验反应特性测定的标准试验方法
【标准号】:ASTMD6113-2003
【标准状态】:现行
【国别】:
【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】:D09.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:绝缘材料;防火安全;燃烧试验;电信;绝缘;热量计;电缆;纤维光缆
【英文主题词】:cable;conecalorimeter;electricalcable;electricalinsulation;fire;fire-testresponse;heatrelease;heatreleaserate;opticalfirecable;oxygenconsumptioncalorimetry;smokeobscuration
【摘要】:Thistestmethodisusedtodeterminetheheatreleaserateandanumberofotherfire-test-responsecharacteristicsasaresultofexposinginsulatingmaterialscontainedinelectricaloropticalcablestoaprescribedheatingfluxintheconecalorimeterapparatus.Quantitativeheatreleasemeasurementsprovideinformationthatispotentiallyusefulfordesignofelectricaloropticalcables,andproductdevelopment.Heatreleasemeasurementsprovideusefulinformationforproductdevelopmentbygivingaquantitativemeasureofspecificchangesinfireperformancecausedbycomponentandcompositemodifications.Heatreleasedatafromthistestmethodwillnotbepredictiveofproductbehavioriftheproductwillnotspreadflameoveritssurfaceunderthefireexposureconditionsofinterest.Thefire-test-responsecharacteristicsdeterminedbythistestmethodareaffectedbythethicknessofthematerialusedastestspecimen,whetherasaplaqueorascoatingonawireorcable.Thediameterofthewireorcableusedwillalsoaffectthetestresults.Aradiantexposureisusedasanenergysourceforthistestmethod.Thistypeofsourcehasbeenusedforcomparisonwithheatreleaserateandflamespreadstudiesofinsulatingmaterialsconstructedintocableswhenburninginaverticalcabletrayconfiguration(TestMethodsD5424andD5537)(2-9).Nodefinitiverelationshipshavebeenestablished.Thevalueofheatreleaseratecorrespondingtothecriticallimitbetweenpropagatingcablefiresandnon-propagatingfiresisnotknown.Thistestmethoddoesnotdeterminethenetheatofcombustion.Ithasnotbeendemonstratedthatthistestmethodiscapableofpredictingtheresponseofelectricaloropticalfibercablesinafullscalefire.Inparticular,thistestmethoddoesnotaddresstheself-extinguishingcharacteristicsofthecablesinafullscalefire.1.1Thisisafire-test-responsestandard.1.2Severalfire-test-responsecharacteristics,includingthetimetosustainedflaming,heatreleaserate,totalheatreleased,effectiveheatofcombustion,andspecificextinctionarea;aremeasuredorcalculatedbythistestmethodataconstantradiantheatingflux.Forspecificlimitationsseealso5.7andSection6.1.3Thetestsareconductedbyburningtheelectricalinsulatingmaterialscontainedinelectricaloropticalfibercableswhenthecabletestspecimens,excludingaccessories,aresubjectedtoradiantheat.1.4Thisstandardmeasuresanddescribestheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,productsorassembliesunderactualfireconditions.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityorregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection7.
【中国标准分类号】:G31;M33
【国际标准分类号】:13_220_40;29_035_01;33_180_10
【页数】:17P.;A4
【正文语种】: