【英文标准名称】:Ultrasonicdomesticgasmeters
【原文标准名称】:超声波家用煤气表
【标准号】:BSEN14236-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-03-30
【实施或试行日期】:2007-03-30
【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】:防腐蚀;计数器;定义;设计;漂移;设备安全;气体燃料;气体流动;煤气表;燃气技术;燃气表;家用;干扰抑制;作标记;材料;测量仪器;计量装置;计量学;使用条件;性能;压力下降;特性;耐力;回流;安全;规范(验收);结构体系;测试;公差(测量);传输协议;超声波装置;超声波学;容积测量
【英文主题词】:Corrosionprotection;Counters;Definitions;Design;Drift;Equipmentsafety;Fuelgases;Gasflow;Gasmeters;Gastechnology;Gas-supplymeters;Householduse;Interferencerejections;Marking;Materials;Measuringinstruments;Meteringmechanism;Metrology;Operatingconditions;Performance;Pressuredrops;Properties;Resistance;Returncurrent;Safety;Specification(approval);Structuralsystems;Testing;Tolerances(measurement);Transmissionprotocol;Ultrasonicdevices;Ultrasonics;Volumemeasurement
【摘要】:ThisEuropeanStandardspecifiesrequirementsandtestsfortheconstruction,performanceandsafetyofclass1,0andclass1,5batterypoweredultrasonicgasmeters(hereinafterreferredtoasmeters),havingco-axialsinglepipe,ortwopipeconnections,usedtomeasurevolumesofdistributedfuelgasesofthesecondand/orthirdfamily,asgiveninEN437,atmaximumworkingpressuresnotexceeding0,5bar1)andmaximumactualflowratesofupto10m3/hoveraminimumambienttemperaturerangeof-10°Cto+40°C,andminimumgastemperaturespanof40K,fordomesticapplications.ThisEuropeanStandardappliestometerswherethemeasuringelementandtheregister(s)areenclosedinthesamecase.ThisEuropeanStandardappliestometerswithandwithoutbuilt-intemperatureconversion,thatareinstalledinlocationswithvibrationandshocksoflowsignificanceandin?closedlocations(indoororoutdoorwithprotectionasspecifiedbythemanufacturer)withcondensingorwithnon-condensinghumidityor,ifspecifiedbythemanufacturer,?openlocations(outdoorwithoutanycovering)withcondensinghumidityorwithnon-condensinghumidityandinlocationswithelectromagneticdisturbances.Unlessotherwisestated,allpressuresgiveninthisEuropeanStandardaregaugepressures.Whenmorethanonemetertypeissubmittedfortesting,theneachmetertypeisrequiredtobetestedagainstthisEuropeanStandard.Clauses1to15andAnnexCarefordesignandtypetestingonly.NOTESeeAnnexAforproductionrequirements.
【中国标准分类号】:N12
【国际标准分类号】:91_140_40
【页数】:86P.;A4
【正文语种】:英语