【英文标准名称】:StandardTestMethodsforPhysicalandEnvironmentalPerformancePropertiesofInsulationsandJacketsforTelecommunicationsWireandCable
【原文标准名称】:远程通信电线和电缆用绝缘体和套管的物理和环境性能特性的标准试验方法
【标准号】:ASTMD4565-1999(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D09.18
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:适用性;金属线;电气工程;试验;特性;电信;电绝缘;覆层;质量;电缆;绝缘;物理的;壳;环境;电话技术
【英文主题词】:agingtest;cableimpact;cabletorsion;coldbend;compoundflow;corrugationextensibility;cross-sectionalarea;diameters;differentialscanningcalorimetry;eccentricity;environmentalstresscrack;heatdistortion;insulation;insulationadhesion;insulationcompression;insulationshrinkback;jacketbonding;jacketnotch;jacketpeelorpull;jacketshrinkback;jacketslipstrength;meltflow;oilimmersion;oxidativeinductiontime;oxidativestability;polyolefins;pressuretest;sheathadherence;telecommunicationswireandcable;tensileandelongation;thermalanalysis;thickness;waterpenetration;wireandcablebending;wirebreaking
【摘要】:Dimensionalmeasurements,properlyinterpreted,provideinformationwithregardtotheconductors,insulation,orjacket.Thedimensionalmeasurementsprovidedataforresearchanddevelopment,engineeringdesign,qualitycontrol,andacceptanceorrejectionunderspecifications.1.1Thesetestmethodscoverproceduresforthephysicaltestingofthermoplasticinsulationsandjacketsusedontelecommunicationswireandcableandthetestingofphysicalcharacteristicsandenvironmentalperformancepropertiesofcompletedproducts.Todeterminetheproceduretobeusedontheparticularinsulationorjacketoronthecompletedwireorcable,referenceshouldbemadetothespecificationforthatproduct.1.2Thetestmethodsappearinthefollowingsectionsofthisstandard:1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandardexceptwhereonlySIunitsaregiven.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificcautionstatementsee.1.4Dimensionalmeasurementsinclude,butarenotlimitedtomeasurementsofinsulationandjacketthicknesses,tapeandarmorthicknesses,conductordiameters,DODs,corediameters,overalldiameters,etc.1.5Physicalandenvironmentaltestsforinsulationsandjacketsinclude,butarenotlimitedtodeterminationofsomeorallofthepropertiescoveredinSections.1.6PhysicalandenvironmentaltestsofcompletedwireandcableincludebutarenotlimitedtodeterminationofsomeorallofthepropertiescoveredinSections.
【中国标准分类号】:K13
【国际标准分类号】:29_035_01
【页数】:19P.;A4
【正文语种】:


【英文标准名称】:Methodsofmeasurementforequipmentusedindigitalmicrowaveradiotransmissionsystems.Measurementsonterrestrialradio-relaysystems.RFbranchingnetworks
【原文标准名称】:数字微波无线电发射系统使用设备的测量方法.第2部分:地面无线电中继系统测量方法.第3节:射频分支网络
【标准号】:BS7573Sec.2.3-1993
【标准状态】:作废
【国别】:英国
【发布日期】:1993-05-15
【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】:乱真信号;数字信号;网络参数;电波测量;无线电广播网;无线电设备;无线电通信;性能试验;天线馈源;通信链路;微波链路;无线电通信链路;频率测量
【英文主题词】:
【摘要】:
【中国标准分类号】:M35;M38
【国际标准分类号】:
【页数】:12P;A4
【正文语种】:英语