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BS EN 60793-1-47-2007 光纤.第1-47部分:测量方法和试验规程.宏弯曲损耗

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【英文标准名称】:Opticalfibres-Measurementmethodsandtestprocedures-Macrobendingloss
【原文标准名称】:光纤.第1-47部分:测量方法和试验规程.宏弯曲损耗
【标准号】:BSEN60793-1-47-2007
【标准状态】:作废
【国别】:英国
【发布日期】:2007-07-31
【实施或试行日期】:2007-07-31
【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】:衰减因子;尺寸;电气工程;光纤;挠性;损失;宏弯曲;宏观的;测量;测量技术;光波导;性能;灵敏度;测试
【英文主题词】:Dimensions;Electricalengineering;Fibreoptics;Flexibility;Losses;Macrobending;Macroscopic;Measurement;Measuringtechniques;Monomodefibres;Multimodefibres;Opticalwaveguides;Properties;Sensitivity;Specification(approval);Testing
【摘要】:ThispartofIEC60793establishesuniformrequirementsformeasuringthemacrobendinglossofsingle-modefibres(categoryB)at1550nmor1625nm,categoryA1multimodefibresat850nmor1300nm,andcategoryA3andA4multimodefibresat650nm,850nmor1300nm,therebyassistingintheinspectionoffibresandcablesforcommercialpurposes.Thestandardgivestwomethodsformeasuringmacrobendingsensitivity:MethodAMandrelwinding,pertainstocategoryBsingle-modefibresandcategoryA1multimodefibres.MethodBQuartercirclebends,pertainstocategoryA3andA4multimodefibres.Forbothofthesemethods,theopticalpowerismeasuredusingeitherthepowermonitoringorthecut-backtechnique.MethodsAandBareexpectedtoproducedifferentresultsiftheyareappliedtothesamefibre.Thisisbecausethekeydifferencebetweenthetwomethodsisthedeployment,includingthebendradiusandamountoffibrethatisbent.ThereasonforthedifferenceisthatA3andA4multimodefibresareexpectedtobedeployedinshortlengthswithrelativelyfewerbendscomparedtosingle-modeandcategoryA1multimodefibres.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:14P.;A4
【正文语种】:英语


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【英文标准名称】:Specificationforcopperforelectricalpurposes-Rolledsheet,stripandfoil
【原文标准名称】:电气用铜规范.轧制板材、带材和箔材
【标准号】:BS4608-1970
【标准状态】:作废
【国别】:英国
【发布日期】:1970-06-25
【实施或试行日期】:1970-06-25
【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】:抗拉试验;电阻率;带材;脆性;导电体;箔;薄板材;尺寸;弯曲试验;机械试验;电阻的温度系数;铜
【英文主题词】:bendtesting;mechanicaltesting;copper;strips;foil;electricconductors;temperaturecoefficientofresistance;sheetmaterials;dimensions;brittleness;electricalresistivity;tensiletesting
【摘要】:
【中国标准分类号】:H62
【国际标准分类号】:29_050
【页数】:20P;A4
【正文语种】:英语


【英文标准名称】:Specificationforinsulatingmaterialsbasedonmica-Specificationsforindividualmaterials-Polyesterfilmmicapaperwithanepoxyresinbinderforsingleconductortaping
【原文标准名称】:云母基绝缘材料规范.第3部分:单项材料规范.单根导线胶带用带有环氧树脂粘结剂的聚脂薄膜云母纸
【标准号】:BSEN60371-3-7-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-04-15
【实施或试行日期】:1996-04-15
【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】:固体绝缘材料;名称与符号;介电强度;组分;厚度;包装;纸;胶粘带;柔性材料;电绝缘材料;聚酯;白云母;尺寸公差;抗拉强度;云母;辊子
【英文主题词】:Bindingagents;Deliveryconditions;Electriccables;Electricalengineering;Electricalinsulatingmaterials;Epoxyresins;Insulatingmaterials;Insulatingpapers;Materials;Materialsspecification;Mica;Micafolium;Micaceousproducts;Paper;Plastics;Polyesterfoils;Reinforcement;Specification(approval)
【摘要】:ThisInternationalStandardspecifiestherequirementsforanelectricalinsulatingmaterialcontainingmicapaperwithpolyesterfilmandwithanepoxyresinbinderforsingleconductortaping.ThematerialissuppliedinaflexiblestatewiththeresinintheB-stageforfinalcureafterapplication.Itissuppliedinrollform.Thisspecificationrefersonlytosinglefilm,althoughcompositionswithpolyesterfilmfacingsofvariousthicknessesareavailable.Thespecificationcoversmaterialhavinganominalthicknessfrom0,07mmto0,12mm.Materialswhichconformtothisspecificationmeetestablishedlevelsofperformance.However,theselectionofamaterialforaspecificapplicationshouldbebasedontheactualrequirementsnecessaryforadequateperformanceinthatapplicationandnotbasedonthisspecificationalone.
【中国标准分类号】:K15
【国际标准分类号】:29_035_50
【页数】:12P;A4
【正文语种】:英语