SJ 20409-1994 数据传输设备检验规则
时间:2024-05-10 17:19:44 来源: 标准资料网 作者：标准资料网 阅读：8051
基本信息
| 标准名称： | 数据传输设备检验规则 |
| 英文名称： | Inspection rules for the data transmission equipments |
| 中标分类： |
化工 >>
化工综合 >>
技术管理 |
| 发布日期： | 1994-09-30 |
| 实施日期： | 1994-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 10页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 化工 化工综合 技术管理
【英文标准名称】:Electromagneticcompatibility(EMC)-Installationandmitigationguidelines-Installationandmitigationguidelines-Degreesofprotectionbyenclosuresagainstelectromagneticdisturbances(EMcode)-Degreesofprotectionagainstelectromagneticdistu
【原文标准名称】:电磁兼容性(EMC).安装和调试指南.外壳抗电磁干扰防护等级(EM规则)
【标准号】:BSEN61000-5-7-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-15
【实施或试行日期】:2001-08-15
【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】:性能要求;安装说明;核能;无线电干扰;影响量;作标记;防护屏蔽;防护等级;保护设备;电磁场;爆炸;基本标准;电磁学;电力设备;环境条件;EMC;电磁兼容性;干扰抑制;外壳;干扰防护
【英文主题词】:Basicstandard;Degreesofprotection;Electricalinstallations;Electromagneticcompatibility;Electromagneticfields;Electromagnetism;EMC;Enclosures;Environmentalcondition;Explosions;Influencequantities;Installationinstructions;Interferenceprotection;Interferencesuppression;Marking;Nuclearenergy;Performancerequirements;Protectiondevices;Radiointerferences;Shields
【摘要】:ThispartofIEC61000describesperformancerequirements,testmethodsandclassificationproceduresfordegreesofprotectionprovidedbyemptyenclosuresagainstelectromagneticdisturbancesforfrequenciesbetween10kHzand40GHz.Theshieldingperformanceistobemeasuredpriortotheinstallationofinternalelectricaland/orelectronicequipmentandcomponents.ThisshieldingprotectionismeasuredforthepurposeofdemonstratingthattheenclosureprovidesadequateshieldingofelectromagneticenergytosupportacceptableperformanceofthecompleteassembledunitswhentestedtoapplicableIECstandards.However,itshouldbenotedthatsatisfactoryperformanceofanemptyenclosuredoesnotnecessarilyensurethatthecompletedunitswillpassallEMCperformanceteststandardsfortheoperatingequipment(seediscussioninannexA).Thepurposeofthisstandardistoprovidearepeatablemeansforevaluatingtheelectromagneticshieldingperformanceofemptymechanicalenclosures,includingcabinetsandsubracks,andtospecifyamarkingcodetoallowamanufacturertoselectanenclosurewithaknowncapabilityforattenuatingelectromagneticfields.Therequirementsforimmunitytovarioustypesofelectromagneticdisturbances,includinglightningandhigh-altitudeelectro-magneticpulse(HEMP)willneedtobeconsideredbymanufacturerswhendeterminingtheneedforapplicationofthisstandardforspecificequipmentandapplications,andforthespecificenclosureshieldingrequirementswhicharenecessaryasafunctionoffrequency.Theadoptionoftheclassificationsysteminthisstandardwill,wheneverpossible,promoteuniformityinmethodsofdescribingtheprotectionagainstelectromagneticstressesprovidedbytheenclosure.Thisincludesprotectionofequipmentinsidetheenclosurefromexternalelectromagneticstresses,aswellasprotectionofexternalequipmentfrominternallygeneratedelectromagneticstresses.TechnicalCommitteesresponsibleforenclosuresmaydecideontheextentandmannerinwhichtheclassificationdefinedinthisstandardisusedintheirstandardsandtodefine"enclosure"asitappliestotheirequipment.However,thetestsandperformancecategoriesmustnotdifferfromthosespecifiedinthisstandard.AninformativeguideforthedetailstobespecifiedinrelevantenclosureproductstandardsisgiveninannexB.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:30P;A4
【正文语种】:英语
【英文标准名称】:Rigidplasticscontainers-Definitionofnominal,brimfulandtotalcapacityandmeasurementofbrimfulandtotalcapacity.
【原文标准名称】:硬塑料容器.标称容量、满装容量和总容量的定义以及满装和总容量的测量
【标准号】:NFH35-200-2003
【标准状态】:现行
【国别】:法国
【发布日期】:2003-02-01
【实施或试行日期】:2003-02-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:瓶;塑料;容器;满装时的体积;定义;测定;容积测量;重量分析;溢水口;松密度测定(纸张);金属罐;塑料容器;公称容量;体积;卸料;测量规程;尺寸稳定性;桶
【英文主题词】:
【摘要】:
【中国标准分类号】:A82
【国际标准分类号】:55_100;55_140
【页数】:12P;A4
【正文语种】:其他