【英文标准名称】:SEMI-FINISHEDCOPPERANDCOPPERALLOYPRODUCTS.WROUGHTCOPPER-ALUMINIUMBARSANDSECTIONSOBTAINEDBYEXTRUSIONORFORGING.DIMENSIONSANDTOLERANCES.
【原文标准名称】:铜和铜合金制半成品.挤压或锻压铜铝合金棒材和型材.尺寸和公差
【标准号】:NFA51-416-1989
【标准状态】:作废
【国别】:法国
【发布日期】:1989-07
【实施或试行日期】:1989-06-20
【发布单位】:法国标准化协会(AFNOR)
【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】:H62
【国际标准分类号】:77_150_30
【页数】:5P;A4
【正文语种】:其他


【英文标准名称】:ULStandardforSafetyCentral-StationAutomationSystemsCOMMENTSDUE:May2,2008
【原文标准名称】:中央工作站自动化系统UL安全性标准.评议提交截止日期:2008年5月2日
【标准号】:UL1981BULLETIN-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-03-10
【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】:
【英文主题词】:
【摘要】:1.1Theserequirementscovercomputerizedcentral-stationautomationsystemsintendedforuseincentral-station,proprietary,remoteandsubsidiaryburglar-,andfire-alarmapplicationsforthepurposeofautomatingthesignalhandlingandprocessingofchange-of-statussignalsgeneratedbyreceivers.Incaseoffailureofanautomationsystem,thereceivingequipmentisreliedonforreceivingandrecordingchange-of-statussignalsandtheprovisionofanaudibleandvisualsignalthatidentifiesthesourceandtypeofsignalthatrequiresoperatorattention.Thesesystemsareintendedtobeinstalledinaccordancewiththefollowing:a)TheNationalElectricalCode,NFPA70;b)TheNationalFireAlarmCode,NFPA72;andc)TheStandardforCentral-StationAlarmServices,UL827.1.2Aproductthatcontainsfeatures,characteristics,components,materials,orsystemsnewordifferentfromthosecoveredbytherequirementsinthisstandard,andthatinvolvesariskoffireorofelectricshockorinjurytopersonsshallbeevaluatedusingappropriateadditionalcomponentandend-productrequirementstomaintainthelevelofsafetyasoriginallyanticipatedbytheintentofthisstandard.Aproductwhosefeatures,characteristics,components,materials,orsystemsconflictwithspecificrequirementsorprovisionsofthisstandarddoesnotcomplywiththisstandard.Revisionofrequirementsshallbeproposedandadoptedinconformancewiththemethodsemployedfordevelopment,revision,andimplementationofthisstandard.
【中国标准分类号】:C81
【国际标准分类号】:13_220_20
【页数】:
【正文语种】:英语