BS 3087 Pt.7-1986 夹扭钳和剪断钳.第7部分:杠杆式旁剪钳、中心剪丝钳和斜嘴钳尺寸规范
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【英文标准名称】:Pliersandnippers.Specificationfordimensionsofleverassistedsidecuttingpliers,endanddiagonalcuttingnippers
【原文标准名称】:夹扭钳和剪断钳.第7部分:杠杆式旁剪钳、中心剪丝钳和斜嘴钳尺寸规范
【标准号】:BS3087Pt.7-1986
【标准状态】:作废
【国别】:英国
【发布日期】:1986-12-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:金属线;镊子;尺寸;试验条件;变形;手工工具;切削工具;作标记;老虎钳
【英文主题词】:deformation;cuttingtools;marking;testingconditions;dimensions;pliers;nippers;handtools;wires
【摘要】:
【中国标准分类号】:J47
【国际标准分类号】:
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:Specificationforthetestingofbalancedandcoaxialinformationtechnologycabling-InstalledbalancedcablingasspecifiedinthestandardsseriesEN50173
【原文标准名称】:平衡和同轴信息技术电缆的试验规范.符合EN50173标准系列的已安装的平衡电缆
【标准号】:BSEN61935-1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-04-30
【实施或试行日期】:2010-04-30
【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】:电缆敷设;电缆设备;电缆;布线;通信电缆;连接器的连接件;串音衰减;阻尼(波);定义;设计;电插头;电气工程;电性质和电现象;电气试验;环境条件;环境试验;现场试验;总规范;安装;实验室试验;测量;测量技术;性能;耐力;规范;规范(验收);对称;试验设备;试验;传输特性
【英文主题词】:Cablelaying;Cableplants;Cables;Cabling;Communicationcables;Connectoredjoints;Crosstalkattenuation;Damping;Definitions;Design;Electricplugs;Electricalengineering;Electricalpropertiesandphenomena;Electricaltesting;Environmentalcondition;Environmentaltesting;Fieldtesting;Genericspecification;Installations;Laboratorytesting;Measurement;Measuringtechniques;Properties;Resistance;Specification;Specification(approval);Symmetry;Testequipment;Testing;Transmissioncharacteristics
【摘要】:ThispartofEN61935specifiesreferencemeasurementproceduresforcablingparametersandtherequirementsforfieldtesteraccuracytomeasurecablingparametersidentifiedinseriesEN50173.ThisstandarddoesnotapplytoEN50173-4.ThisInternationalStandardapplieswhenthecableassembliesareconstructedofcablescomplyingwiththeIEC61156familyofstandards,andconnectinghardwareasspecifiedinIEC60603-7familyofstandardsorIEC61076-3-104andIEC61076-3-110.Inthecasewherecablesand/orconnectorsdonotcomplywiththesestandards,thenadditionaltestsmayberequired.Thisstandardisorganizedasfollows:?referencelaboratorymeasurementproceduresoncablingtopologiesarespecifiedinClause4.Insomecases,theseproceduresmaybeusedinthefield;?descriptionsandrequirementsformeasurementsinthefieldarespecifiedinClause5;?performancerequirementsforfieldtestersandprocedurestoverifyperformancearespecifiedinClause6.Thisstandardrelatestoperformancewithrespectto100Ωcabling.For120Ωor150Ωcabling,thesameprinciplesapplybutthemeasurementsystemshouldcorrespondtothenominalimpedancelevel.Fieldtestertypesincludecertification,qualificationandverification.Certificationtestingisperformedfortherigorousneedsofcommercial/industrialbuildingstothisstandard.QualificationtestingisdescribedinIEC61935-3.Qualificationtestingdetermineswhetherthecablingwillsupportcertainnetworktechnologies(e.g.,1000BASE-T,100BASE-TX,IEEE1394b1)).Qualificationtestersdonothavetraceableaccuracytonationalstandardsandprovideconfidencethatspecificapplicationswillwork.Verificationtestersonlyverifyconnectivity.Throughoutthisdocument,4-paircablingisassumed.Thetestproceduresdescribedinthisstandardmayalsobeusedtoevaluate2-pairbalancedcabling.However,2-paircablinglinksthatsharethesamesheathwithotherlinksaretestedas4-paircabling.
【中国标准分类号】:K13
【国际标准分类号】:33_120_10
【页数】:116P.;A4
【正文语种】:英语
