【英文标准名称】:Connectorsetsandinterconnectcomponentstobeusedinopticalfibrecommunicationsystems-Productspecifications-LSH-PCsimplexterminatedonIEC60793-2-50categoryB1.1andB1.3singlemodefibre,compositeferrulecategoryU
【原文标准名称】:光纤通信系统中使用的连接器组和互连元件.产品规范.端接在IEC60793-2-50类B1.1和B1.3单模纤维上的LSH-PC单工型、U类复合金属套圈
【标准号】:BSEN50377-8-5-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-09-28
【实施或试行日期】:2007-09-28
【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】:类别;定心套筒;元部件;数据连接系统;数据传送;设计;尺寸;电插头;电气工程;环境条件;紧固件;纤维光学;总论;信息传递;测量技术;机械特性;文电处理;单模纤维;光波导;光电子学;产品规范;产品标准;性能;分规范;规范;规范(验收);通信;测试;传输特性;类型
【英文主题词】:Categories;Centeringsleeves;Components;Datalinksystem;Datatransfer;Design;Dimensions;Electricplugs;Electricalengineering;Environmentalconditions;Fasteners;Fibreoptics;Generalsection;Informationtransfer;Measuringtechniques;Mechanicalproperties;Messagehandling;Monomodefibres;Opticalwaveguides;Optoelectronics;Productspecifications;Productstandards;Properties;Sectionalspecification;Specification;Specification(approval);Telecommunication;Testing;Transmissioncharacteristics;Types
【摘要】:1.1ProductdefinitionThisEuropeanStandardcontainstheinitial,startoflifedimensional,optical,mechanicalandenvironmentalperformancerequirementswhichaterminatedandassembledsinglemoderesilientalignmentsleeveLSH-PCsimplexconnectorset(plug/adaptor/plug),adaptorandpatchcordmustmeetinorderforittobecategorisedasanENstandardproduct.Sincedifferentvariantsandgradesofperformancearepermitted,productmarkingdetailsaregivenin3.5.1.2IntermateabilityAlthoughallproductsconformingtotherequirementsofthisstandardwillintermate,theresultinglevelofrandomattenuationperformancewillonlybeensuredinaccordancewithTable1.Theintentionisthatthiswillbetrueirrespectiveofthemanufacturingsource(s)oftheproduct.Whenintermatingplugvariantshavingdifferentattenuationgrades,theresultinglevelofattenuationcannotbeassuredtobeanybetterthantheworstattenuationgrade.TheintermatingofagradeCplugwithagradeBplugwillresultinanuncertainlevelofrandomattenuationperformance.1.3OperatingenvironmentThetestsselectedcombinedwiththeseveritiesanddurationsarerepresentativeofacategoryUenvironmentasdefinedinEN61753-1.1.4ReliabilityWhilsttheanticipatedservicelifeexpectancyoftheproductinthisenvironmentis20years,compliancewiththisstandarddoesnotguaranteethereliabilityoftheproduct.Thisshouldbepredictedusingarecognisedreliabilityassessmentprogramme.1.5QualityassuranceCompliancewiththisstandarddoesnotguaranteethemanufacturingconsistencyoftheproduct.Thisshouldbemaintainedusingarecognisedqualityassuranceprogramme.
【中国标准分类号】:L23
【国际标准分类号】:33_180_20
【页数】:40P.;A4
【正文语种】:英语


【英文标准名称】:Rubber,vulcanizedorthermoplastic-Hardnesstesting-Introductionandguide
【原文标准名称】:硫化或热塑橡胶.硬度试验.说明和指南
【标准号】:ISO18517-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:硫化橡胶;试样;微观硬度试验;定义;试验;材料试验;测量;热塑性聚合物;硬度试验;弹性体;硬度测量;硬度;试验设备;橡胶;测量仪器;国际橡胶硬度标度
【英文主题词】:Definitions;Elastomers;Hardness;Hardnessmeasurement;Hardnesstests;IRHD;Materialstesting;Measurement;Measuringinstruments;Microhardnesstesting;Rubber;Testequipment;Testspecimens;Testing;Thermoplasticpolymers;Vulcanizedrubber
【摘要】:ThisInternationalStandardprovidesguidanceonthedeterminationofthehardnessofvulcanizedandthermoplasticrubbers.Itisintendedtoprovideanunderstandingofthesignificanceofhardnessasamaterialpropertyandtoassistintheselectionofanappropriatetestmethod.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:5P.;A4
【正文语种】:英语