【英文标准名称】:Colorfiltersformicroscopes;dimensions,materialdefectsandfaultsduetoprocessing
【原文标准名称】:显微镜的滤光器.尺寸.材料和加工误差
【标准号】:DIN58890-1982
【标准状态】:作废
【国别】:德国
【发布日期】:1982-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;过滤机;显微镜;光学;设计;规范(审批);公差;材料
【英文主题词】:tolerances(measurement);microscopes;specification(approval);dimensions;filters;design;materials;optics
【摘要】:
【中国标准分类号】:N32
【国际标准分类号】:7080
【页数】:1P;A4
【正文语种】:德语


【英文标准名称】:TestingofbalancedcommunicationcablinginaccordancewithstandardsseriesEN50173-Part1:Installedcabling
【原文标准名称】:符合EN50173标准系列的对称通信布线的测试.第1部分:已安装电缆
【标准号】:BSEN61935-1-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2006-02-07
【实施或试行日期】:2006-02-07
【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】:电缆敷设;电缆;布线;通信电缆;插接件连接;定义;设计;电气工程;电气测试;环境条件;环境测试;现场测试;总规范;安装;耐力;规范;规范(验收);试验设备;测试;传输特征
【英文主题词】:Cablelaying;Cables;Cabling;Communicationcables;Connectoredjoints;Definition;Definitions;Design;Electricalengineering;Electricaltesting;Environmentalcondition;Environmentaltesting;Fieldtesting;Genericspecification;Installations;Resistance;Specification;Specification(approval);Testequipment;Testing;Transmissioncharacteristics
【摘要】:?ThispartofEN61935specifiesreferencemeasurementproceduresforcablingparametersandtherequirementsforfieldtesteraccuracytomeasurecablingparametersidentifiedinEN50173.?ThisstandardapplieswhenthecableassembliesareconstructedofcablescomplyingwithIEC61156-1,IEC61156-2,IEC61156-3IEC61156-4,IEC61156-5orIEC61156-6,andconnectinghardwareasspecifiedinIEC60603-7orIEC61076-3-104.Inthecasewherecablesand/orconnectorsdonotcomplywiththesestandardsthenadditionaltestsmayberequired.Thisstandardisorganizedasfollows:?referencelaboratorymeasurementproceduresarespecifiedinClause4.Insomecases,theseproceduresmaybeusedinthefield;?descriptionsandrequirementsformeasurementsinthefieldarespecifiedinClause5;?performancerequirementsforfieldtestersandprocedurestoverifyperformancearespecifiedinClause6.NOTE1Thisstandarddoesnotincludeteststhatarenormallyperformedonthecablesandconnectorsseparately.ThesetestsaredescribedinIEC61156-1andIEC60603-7orIEC61076-3-104respectively.NOTE2Whereverpossible,cablesandconnectorsusedincableassemblies,eveniftheyarenotdescribedinIEC61156orIEC60603-7/IEC61076-3-104shallbetestedseparatelyaccordingtothetestsgivenintherelevantgenericspecification.Inthiscase,mostoftheenvironmentalandmechanicaltestsdescribedinthisstandardmaybeomitted.NOTE3Usersofthisstandardareadvisedtoconsultwithapplicationsstandards,equipmentmanufacturersandsystemintegratorstodeterminethesuitabilityoftheserequirementsforspecificnetworkingapplicationsThisstandardrelatestoperformancewithrespectto100Ωcabling.For120Ωor150Ωcabling,thesameprinciplesapplybutthemeasurementsystemshouldcorrespondtothenominalimpedancelevel.
【中国标准分类号】:K13
【国际标准分类号】:33_120_10
【页数】:78P.;A4
【正文语种】:英语