SAE J774 Emergency Warning Device and Emergency Warning Device Protective Container (STABILIZED Feb 2011)
时间:2024-05-25 01:03:28 来源: 标准资料网 作者：标准资料网 阅读：8027
Product Code:SAE J774
Title:Emergency Warning Device and Emergency Warning Device Protective Container (STABILIZED Feb 2011)
Issuing Committee:Heavy Duty Lighting Standards Committee
Scope:This SAE Standard provides test procedures and performance requirements for emergency warning devices (triangular shape), without self-contained energy sources, that are designed to be carried in motor vehicles and used to warn approaching traffic of the presence of a stopped vehicle, except for devices designed to be permanently affixed to the vehicle, and provides test procedures and performance requirements for protective containers for such emergency warning devices.
【英文标准名称】:StandardTestMethodforResistancetoAirflowasanIndicationofAverageFiberDiameterofWoolTop,CardSliver,andScouredWool
【原文标准名称】:用气流阻力表示羊毛毛条,生条和洗净羊毛的平均纤维直经的标准试验方法
【标准号】:ASTMD1282-2005(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:air-flow;diameter;wool;Airflowresistance;Diameter--textilefabrics/fibers;Micronairereading;Port-Arreadings;WIRAfiberfinenessinstrument;Woolandwooltop--fiberdiameter
【摘要】:Thistestmethodisnotrecommendedfortheacceptancetestingofcommercialshipmentsofwooltop,cardsliver,orscouredwoolsincetherefereemethod,TestMethodD2130,isrecommendedforthatpurpose.Althoughthistestmethodisnotrecommendedforacceptancetesting,itisusefulforfastqualitycontrolchecks..Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,usethesamplesforsuchacomparativetestthatareashomogenousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedindisparateresultsduringinitialtestingandrandomlyassignedinequalnumberstoeachlaboratory.Thetestresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,aprobabilitylevelchosenpriortothetestingseries.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Thespecificareaofthewoolfibersismeasuredbytheresistanceinairflow.Theresistancetoairflowhasbeenrelatedtoaveragefiberdiametermeasuredbythemicroprojectionmethod.Theinstrumentshavebeencalibratedtoreadaveragediameterinmicrometres.Althoughthereadingisaffectedbytheaveragefiberdiameterdistributionofthespecimen,theresultssecuredbytheinstrumentsgivenoindicationofthisdistribution.However,inconvertingthemicrometresreadingtomillitexunits(AnnexA1),low,medium,andhighstandarddeviationswereusedinthecalculationstoarriveattherangeofmillitexunitswhichaccordinglyreflectthedistributionoffiberdiameters.
1)BalanceAdjustmentKnob
8)PorosityCalibrationControl
2)BalancePan
9)CompressionLever
3)AirReservoir
10)CalibratorPlugPlunger
4)MeterZeroAdjustmentScrew
11)PorosityCalibratorPlug
5)PorosityTestChamberLid
12)CalibrationWeight
6)DifferentialPressureGage
13)WeighingBalanceMechanism
7)PorosityZeroControl
14)AtomizerBulb
【英文标准名称】:Maritimenavigationandradiocommunicationequipmentandsystems-Globalnavigationsatellitesystems(GNSS)-Part4:ShipborneDGPSandDGLONASSmaritimeradiobeaconreceiverequipment-Performancerequirements,methodsoftestingandrequiredtestre
【原文标准名称】:海上导航和无线电通信设备与系统.全球导航卫星系统(GNSS).第4部分:船载DGPS和DGLONASS海上无线电信号接收设备.性能要求、试验方法和要求的试验结果
【标准号】:EN61108-4-2004
【标准状态】:现行
【国别】:
【发布日期】:2005-06
【实施或试行日期】:2005-06-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;差异性;试验;规范(验收);全球导航卫星系统;GLONASS;GNSS;试验条件;导航技术;无线电定位;无线电导航;接收台;船舶导航;水路运输;探测设备;导航辅助设备;船舶用无线电通信;性能要求;导航仪器;试验结果;GPS;英语;无线电接收机;卫星通信
【英文主题词】:Definition;Definitions;Differential;Englishlanguage;GlobalNavigationSatelliteSystems;GLONASS;GNSS;GPS;Locatingequipment;Marinenavigation;Marineradio;Navigationinstruments;Navigationalaids;Navigationaltechnology;Performancerequirements;Radioreceivers;Radiolocation;Radionavigation;Receivingstation;Satellitecommunications;Specification(approval);Testresults;Testing;Testingconditions;Watertransport
【摘要】:
【中国标准分类号】:U65
【国际标准分类号】:47_020_70
【页数】:44P.;A4
【正文语种】:英语