NF T94-351-1997 人类生活用水处理用化学制品.正磷酸二氢钠

上一篇: NF T94-105-1997 饮用水处理用化学品.碱式氯化多铝和碱式氯化多铝硫酸盐
下一篇: NF T94-352-1997 人类生活用水处理用化学制品.正磷酸氢二钠

【英文标准名称】:Gasmeters-Conversiondevices-Part1:Volumeconversion;EnglishversionofDINEN12405-1:2006-04
【原文标准名称】:煤气表.换算装置.第1部分:体积换算
【标准号】:DINEN12405-1-2006
【标准状态】:作废
【国别】:德国
【发布日期】:2006-04
【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】:合格;合格试验;定义;设计;电气工程;电子仪器;电子测量装置;煤气表;燃气技术;燃气表;仪表用变压器;测量范围;压力;压力换算计;生产;定量测量;定量换算器;实际油气比;安全;规范(验收);温度;试验;转换器;发射机;体积
【英文主题词】:Conformity;Conformitytesting;Definition;Definitions;Design;Electricalengineering;Electronicinstruments;Electronicmeasuringdevices;Gasmeters;Gastechnology;Gas-supplymeters;Instrumenttransformers;Marking;Measuringranges;Pressure;Pressuretransmitter;Production;Quantitativemeasurement;Quantitytranslators;Realgasfactors;Safety;Specification(approval);Temperature;Testing;Translators;Transmitters;Volume
【摘要】:ThisEuropeanStandardspecifiestherequirementsandtestsfortheconstruction,performance,safetyandconformityofgas-volumeelectronicconversiondevicesassociatedtogasmeters,usedtomeasurevolumesoffuelgasesofthe1stand2ndfamiliesaccordingtoEN437.ThisEuropeanStandardisintendedfortypetesting,thedetailedrelevantprovisionsofwhicharegiveninAnnexA.OnlythreekindsofconversionaretreatedinthisEuropeanStandard:--conversionasafunctionoftemperatureonly(calledTconversion);--conversionasafunctionofthepressureandofthetemperaturewithconstantcompressionfactor(calledPTconversion);--conversionasafunctionofthepressure,thetemperatureandtakingintoaccountthecompressionfactor(calledPTZconversion).IEN12405-2forenergyconversionisinpreparation.Gas-volumeconversiondevicesconsistofacalculatorandatemperaturetransduceroracalculator,atemperaturetransducerandapressuretransducerlocallyinstalled.ForapplicationofthisEuropeanStandard,aconversiondevicemaybe,asachoiceofthemanufacturer,consideredasacompleteinstrument(Type1)ormadeofseparateelements(Type2),accordingtothedefinitionsgivenin3.1.18.1and3.1.18.2.Inthislastcase,theprovisionsconcerningpressuretransducers,temperaturesensorsandtemperaturetransducersaregiveninAnnexesB,CandDrespectively.Anyconversiondevicecanprovideanerrorcurvecorrectionforagasmeter.NOTEWhenrenderin9anaccounttoanenduserthereadingsfromtheconversiondevicecanbeusedinconjunctionwiththereadingsfromagasmeterconformin9toEN1359,EN12480,orEN12261,asappropriate,ortoanyotherappropriateandrelevantinternationalornationalstandardforgasmeters,withoutprejudiceofnationalregulations.
【中国标准分类号】:Q82
【国际标准分类号】:91_140_40
【页数】:96P.;A4
【正文语种】:英语


Product Code:SAE AMS3349
Title:Silicone (VMQ) Rubber, 1100 psi (7.58 MPa) Tensile Strength, High Resiliency, 65 - 75
Issuing Committee:Ams Ce Elastomers Committee
Scope:This specification covers a silicone (VMQ) rubber in the form of sheet, strip, tubing, molded shapes and extrusions.