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【英文标准名称】:Watermeters-Part1:GeneralrequirementsGermanversionEN14154-1:2005+A1:2007
【原文标准名称】:水表.第1部分:一般要求
【标准号】:DINEN14154-1-2007
【标准状态】:作废
【国别】:德国
【发布日期】:2007-07
【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】:螺栓连接(法兰);校正;认证;特性;分类;分类系统;冷水;冷水管;冷水表;管接头尺寸;连接件;计数器;定义;设计认证;名称与符号;尺寸;饮用水管线;电子的;电子仪器;环境条件;适用性;流量测量;流量计;指南;热水表;安装说明书;装置;作标记;材料;测量;计量装置;仪表;计量学;喷管流量;性能要求;污染控制;饮用水;压力降;产品规范;额定流量;额定压力;额定值;范围;规范(验收);规范;指示器;试验装置;螺纹连接件;公差(测量);水;耗水;水表;输水管道;水常规;给水
【英文主题词】:Bolting;Calibration;Certification;Characteristics;Classification;Classificationsystems;Coldwater;Coldwaterconduit;Coldwatermeter;Connectingsizes;Connections;Counters;Definition;Definitions;Designcertifications;Designations;Dimensions;Drinkingwaterlines;Electronic;Electronicinstruments;Environmentalconditions;Fitnessforpurpose;Flowmeasurements;Flowmeters;Guidelines;Hot-watermeters;Installationinstructions;Installations;Marking;Materials;Measurement;Meteringmechanism;Meters;Metrology;Nozzledischarge;Performancerequirements;Pollutioncontrol;Potablewater;Pressuredrops;Productspecification;Properties;Ratedflow;Ratedpressure;Ratings;Scope;Specification(approval);Specifications;Telltales;Testingdevices;Thread-connections;Tolerances(measurement);Water;Waterconsumption;Watermeters;Waterpipelines;Waterpractice;Watersupply
【摘要】:Thisdocumentappliestowatermetersintendedforresidential,commercial,lightindustrialandindustrialuse,andspecifiestherequirementsandcertificationproceduresforwatermeters,irrespectiveofthedesigntechnologiesusedtometertheactualvolumeofcleancoldpotablewaterorheatedwater,flowingthroughafullycharged,closedconduit.Thesewatermetersshallincorporatedevices,whichindicatetheintegratedvolume.Thisdocumentalsoappliestowatermetersbasedonelectricalorelectronicprinciples,andtowatermetersbasedonmechanicalprinciplesincorporatingelectronicdevices,usedtometertheactualvolumeflowofcoldpotablewaterorheatedwater.Itprovidesmetrologicalrequirementsforelectronicancillarydeviceswhentheyaresubjecttometrologicalcontrol.Asaruletheancillarydevicesareoptional.Howevernationalorinternationalregulationsmakesomeancillarydevicesmandatoryinrelationtotheutilisationofthewatermeter.
【中国标准分类号】:Q81
【国际标准分类号】:91_140_60
【页数】:57P.;A4
【正文语种】:德语


【英文标准名称】:Methodsofmeasurementforradioequipmentusedinsatelliteearthstations-Measurementsforsub-systems-Frequencymodulators
【原文标准名称】:卫星地面站用无线电设备测量方法.第2部分:分系统测量.第5节:调频器
【标准号】:BSEN60510-2-5-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-07-15
【实施或试行日期】:1996-07-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:频率响应;电话设备;调幅;电学测量;标准差;测量;调制器;地面站;电波测量;调频;无线电设备;微分方程;通信链路;卫星通信链路;电话;无线电通信
【英文主题词】:Definition;Definitions;Earthstations;Electricalengineering;Electricalmeasurement;Frequencies;Frequencymodulation;Frequencymodulators;Instrumentation;Measurement;Measuringtechniques;Methodsformeasuring;Microwavedevices;Microwavelinks;Modulators;Parameters;Properties;Radiocircuits;Radioequipment;Radiostations;Radiocommunication;Ratings;Satellitecommunications;Satellitelinks;Signals;Subsystems;Telecommunication
【摘要】:Describesmethodsformeasuringtheelectricalcharacteristicsoffrequencymodulatorswhenanaloguesignalsaretransmitted.
【中国标准分类号】:M35
【国际标准分类号】:33_060_30
【页数】:22P.;A4
【正文语种】:英语