【英文标准名称】:StandardTestMethodsforElectricalPerformancePropertiesofInsulationsandJacketsforTelecommunicationsWireandCable
【原文标准名称】:远程通信电线和电缆用绝缘体和套管电气性能特性的标准试验方法
【标准号】:ASTMD4566-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:
【英文主题词】:aging;attenuation;attenuationtocrosstalkrationear-end;attenuationtocrosstalkratiofar-end;capacitancedeviation;capacitancedifference;capacitanceunbalancepair-to-pair;capacitanceunbalancepair-to-ground;capacitanceunbalancepai
【摘要】:Electricaltests,properlyinterpreted,provideinformationwithregardtotheelectricalpropertiesoftheinsulation.Theelectricaltestvaluesgiveanindicationastohowtheinsulationwillperformunderconditionssimilartothoseobservedinthetests.Electricaltestsmayprovidedataforresearchanddevelopment,engineeringdesign,qualitycontrol,andacceptanceorrejectionunderspecifications.1.1Thesetestmethodscoverproceduresforelectricaltestingofthermoplasticinsulationsandjacketsusedontelecommunicationswireandcableandforthetestingofelectricalcharacteristicsofcompletedproducts.Todeterminetheproceduretobeusedontheparticularinsulationorjacketcompound,orontheendproduct,referenceshouldbemadetothespecificationfortheproduct.1.2Thetestmethodsappearinthefollowingsectionsofthisstandard:TestMethodSectionsElectricalTestsofInsulationx2014;In-Process
4-8
DCprooftest
8
Insulationdefectorfaultrate
7
Sparktest
6
ElectricalTestsofCompletedWireandCable
9-51
Attenuation
24
Attenuation,effectsduetoaging
31
Attenuation,effectsduetoelevatedtemperature
29
Attenuation,effectsduetohumidity
30
Attenuationtocrosstalkratiox2014;farend(ACR-F)
28
Attenuationtocrosstalkratiox2014;nearend(ACR-N)
26
Capacitancedeviation
19
Capacitancedifference
20
Capacitanceunbalance,Pair-to-ground(CUPG)
22
Capacitanceunbalance,Pair-to-pair(CUPP)
21
Capacitanceunbalance,Pair-to-supportwire
23
CharacteristicImpedancex2014;Method1Propagationconstantandcapacitance
47
CharacteristicImpedancex2014;Method2,Single-endedmeasurements
48
CharacteristicImpedancex2014;Method3LeastSquaresFunctionFit
49
Coaxialcapacitance(capacitancetowater)
17
Conductorcontinuity
11
Conductorresistance(CR)