DIN 44402 Bb.9-1970 电子管的电性能测试.阴极加热时间与管丝加热时间的测量
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【英文标准名称】:Measurementsoftheelectricalpropertiesofelectrontubes;measurementofcathodeheatingtimeandheaterwarm-uptime
【原文标准名称】:电子管的电性能测试.阴极加热时间与管丝加热时间的测量
【标准号】:DIN44402Bb.9-1970
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:ULStandardforSafetyRelocatablePowerTapsThirdEdition
【原文标准名称】:安全重新配置的电源接头用UL标准.第3版
【标准号】:UL1363-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-05-02
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电流;电流表;切断装置;插座;内部;过电压保护装置;规范(验收);试验
【英文主题词】:Alternatingcurrent;Currentmeters;Cutoffdevice;Electricsockets;Internal;Overvoltageprotection;Specification(approval);Testing
【摘要】:Theserequirementscovercord-connected,relocatablepowertapsrated250VACorlessand20AACorless.Arelocatablepowertap(RPT)isintendedonlyforindooruseasatemporaryextensionofagroundingalternating-currentbranchcircuitforgeneraluse.Acord-connectedproductwithlessthanthreereceptacleoutletsthatemploysanelectromagneticinterferencefilteroratransientvoltagesurgesuppressoriscoveredundertheStandardforElectromagneticInterferenceFilters,UL1283,andtheStandardforSurgeProtectiveDevices,UL1449,respectively.Acord-connectedproductwiththreeormorereceptacleoutletsthatemploysanelectromagneticinterferencefiltershallalsocomplywiththeStandardforElectromagneticInterferenceFilters,UL1283.Acord-connectedproductwiththreeormorereceptacleoutletsthatemploysatransientvoltagesurgesuppressorshallalsocomplywiththeStandardforSurgeProtectiveDevices,UL1449.TelephoneequipmentandcommunicationcircuitprotectorsincludedinaRPTshallcomplywiththerequirementsintheStandardforTelephoneEquipment,UL1459,andtherequirementsintheStandardforSecondaryProtectorsforCommunicationsCircuits,UL497A,respectively.ARPTthatincorporatesanantennadischargeunitorprovidesantennaconnectionstoatelevision,ahigh-voltagevideoproduct,orantennashallcomplywiththeapplicablerequirementsintheStandardforAntennaDischargeUnits,UL452,andtheStandardforAudio-VideoProductsandAccessories,UL1492.Acord-connectedproductthatemploysground-faultprotectionisinvestigatedundertherequirementsintheStandardforGround-FaultCircuitInterrupters,UL943.Acord-connectedRPTisnotintendedtobeconnectedtoanothercord-connectedRPT.ThisstandarddoesnotcoverRPTsintendedforusewithmedicalequipment.MedicalequipmentistypicallyintendedforuseinGeneralPatientCareAreasorCriticalPatientCareAreasasdefinedbyArticle517oftheNationalElectricalCodeforHealthCareFacilities.RPTsintendedforsuchuseshallcomplywiththerequirementsoftheStandardforSafetyofMedicalElectricalEquipment,Part1:GeneralRequirements,UL60601-1andtheStandardforSafetyRequirementsforMedicalElectricalSystems,IEC60601-1-1.ARPTmayemploynon-electricaldecorativefeatures.Thedecorativefeaturesmayincludevariousshapessuchasrocks,birdsandanimals,etc.TheserequirementsdonotcoverDecorativeOutfitsAccessories.DecorativeOutfitsAccessoriesareinvestigatedundertherequirementsintheStandardforSeasonalandHolidayDecorativeProducts,UL588.
【中国标准分类号】:K30
【国际标准分类号】:29_120_30
【页数】:62P.;A4
【正文语种】:英语
【英文标准名称】:SpecificationforSeamlessCold-DrawnCarbonSteelFeedwaterHeaterTubes
【原文标准名称】:无缝冷拉碳素钢给水加热器管规范
【标准号】:ANSI/ASTMA556-1996
【标准状态】:现行
【国别】:美国
【发布日期】:1996-10
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:水加热器;管道;钢
【英文主题词】:waterheaters;steels;pipelines
【摘要】:Thisspecificationcoversminimum-wall-thickness,seamlesscold-drawncarbonsteeltubesincludingbendingintotheformofU-tubes,ifspecified,foruseintubularfeedwaterheaters.Thetubingsizescoveredshallbe5/8to11/4-in.[15.9to31.8-mm]outsidediameter,inclusive,withminimumwallthicknessesequaltoorgreaterthan0.045in.[1.1mm].Optionalsupplementaryrequirementsareprovided,andwhendesired,shallbestatedintheorder.Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasthestandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.Theinch-poundunitsshallapplyunlessthe"M"designationofthisspecificationisspecifiedintheorder.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_10
【页数】:
【正文语种】:英语
