BS EN 54-25-2008 火灾探测和火警系统.无线电连接件用组件

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【英文标准名称】:Firedetectionandfirealarmsystems.Componentsusingradiolinks
【原文标准名称】:火灾探测和火警系统.无线电连接件用组件
【标准号】:BSEN54-25-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-03-31
【实施或试行日期】:2008-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑物;CE标记;兼容性;组件;合格;一致性评估;定义;特点;火灾报警系统;火灾警报;火灾探测器;防火测量;防火安全;消防;高频;高频工程;生产控制;无线电电路;无线电工程;无线电设备;射频;规范(验收);系统;测试
【英文主题词】:Alarmsystems;Buildings;CEmarking;Compatibility;Components;Conformity;Conformityassessment;Definitions;Features;Firealarmsystem;Firealarms;Firedetectors;Fireprotectionmeasures;Firesafety;Firesafetyinbuildings;Firefighting;Highfrequencies;High-frequencyengineering;Marking;Performance;Performancetesting;Productioncontrol;Qualitycontrol;Radiocircuits;Radioengineering;Radioequipment;Radiolinks;Radioplants;Radiocommunication;Radiofrequencies;Specification(approval);Systems;Testing;Warningdevices
【摘要】:ThisEuropeanStandardspecifiesrequirements,testmethodsandperformancecriteriaforcomponentsusedinfirealarmssystems,installedinandaroundbuildings,whichuseradiofrequencylinks(RFlinks)tocommunicate.ItalsoprovidesrequirementsfortheevaluationofconformityofthecomponentstotherequirementsofthisEuropeanStandard.Wherecomponentsworktogetherandthisrequiresknowledgeofthesystemdesign,thisdocumentalsospecifiesrequirementsonthesystem.Whenthefiredetectionandfirealarmsystems(FDAS)usewiredandRFlinks,therelevantpartsofEN54applytogetherwiththisdocument.RequirementsrelevanttowirelinksaresupersededormodifiedbythoseincludedinthisEuropeanStandard.Thisdocumentdoesnotrestrict:?theintendeduseofradiospectrum,e.g.frequency,poweroutputofdevices;?theallowedmaximumnumberofthecomponentsusingRFlinkswithintheFDASoronetransmissionpathand/orRFlink;?theallowedmaximumnumberofthecomponentsaffectedbylossofonetransmissionpathand/orRFlink.Theserequirementsrelatetonationalregulationsandcanvaryfrommemberstatetomemberstate.
【中国标准分类号】:C81
【国际标准分类号】:13_220_20
【页数】:56P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforVapor-LiquidRatioTemperatureDeterminationofFuels(EvacuatedChamberMethod)
【原文标准名称】:测定燃料汽-液比温度的试验方法(真空室法)
【标准号】:ASTMD5188-2004a
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D02.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:温度;试验;机动车燃料
【英文主题词】:gasoline;gasoline-oxygenateblends;petroleumproducts;T(V/L=20);vapor-liquidratio
【摘要】:Thetendencyofafueltovaporizeinautomotiveenginefuelsystemsisindicatedbythevapor-liquidratioofthefuel.AutomotivefuelspecificationsgenerallyincludeT(V/L=20)limitstoensureproductsofsuitablevolatilityperformance.Forhighambienttemperatures,afuelwithahighvalueofT(V/L=20),indicatingafuelwithalowtendencytovaporize,isgenerallyspecified;converselyforlowambienttemperatures,afuelwithalowvalueofT(V/L=20)isspecified.1.1Thistestmethodcoversthedeterminationofthetemperatureatwhichthevaporformedfromaselectedvolumeofvolatilepetroleumproductsaturatedwithairat0to1C(32to34F)producesapressureofoneatmosphereinanevacuatedchamberoffixedvolume.Thistestmethodisapplicabletosamplesforwhichthedeterminedtemperatureisbetween36and80C(97and176F)andthevapor-liquidratioisbetween8to1and75to1.Note1-Whenthevapor-liquidratiois20:1,theresultisintendedtobecomparabletotheresultsdeterminedbyTestMethodD2533.Note2-Thistestmethodmayalsobeapplicableatpressuresotherthanoneatmosphere,butthestatedprecisionmaynotapply.1.2Thistestmethodisapplicabletobothgasolineandgasoline-oxygenateblends.1.2.1Somegasoline-oxygenateblendsmayshowahazewhencooledto0to1C.Ifahazeisobservedin,itshallbeindicatedinthereportingofresults.Theprecisionandbiasstatementsforhazysampleshavenotbeendetermined(seeNote0).1.3ThevaluesstatedinSIunitesaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarnings,seeand.
【中国标准分类号】:E31
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:


MIL-PRF-62218B (NOTICE 1), PERFORMANCE SPECIFICATION, CORROSION PREVENTIVE COMPOUNDS, COLD APPLICATION (FOR NEW AND FIELDED MOTOR VEHICLES AND TRAILERS) (9 SEP 1998) {SUPERSEDING MIL-C-62218A(AT) and TT-C-520B] [S/S BY S/S BY A-A-59295]., MIL-PRF-62218B, dated 3 June 1996, is hereby cancelled. Future acquisitions for this item should refer to Commercial Item Description (CID) A-A-59295 ?Corrosion Preventive Compounds, Cold Application (For New and Fielded Motor Vehicles and Trailers)?. (Copies of A-A-59295 are available from the Defense Automated Printing Service, Bldg. 4D (Customer Service), 700 Robbins Avenue, Philadelphia, PA 19111-5094.)