基本信息
标准名称: | 喷灌用金属薄壁管 |
中标分类: |
机械 >>
通用零部件 >>
管路附件 |
替代情况: | 原标准号GB 5896-86;被JB/T 7870-1997代替 |
发布日期: | |
实施日期: | 2001-12-01 |
首发日期: | |
作废日期: | 1998-01-01 |
出版日期: | |
页数: | 3页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 机械 通用零部件 管路附件
【英文标准名称】:Informationtechnologyequipment-Immunitycharacteristics-Limitsandmethodsofmeasurement
【原文标准名称】:信息技术设备.抗扰特性.极限值和测量方法
【标准号】:BSEN55024-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-12-15
【实施或试行日期】:1998-12-15
【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】:评定;信息技术;干扰抑制;电信;测量技术;环境条件;电气工程;极限(数学);试验;定义;计算机;无线电干扰测量;抗扰性
【英文主题词】:Computers;Definition;Definitions;Electricalengineering;Environmentalcondition;Evaluations;Immunity;Informationtechnology;Interferencerejections;Interferencesuppression;Limits(mathematics);Measuringtechniques;Radiointerferencemeasurements;Telecommunications;Testing
【摘要】:ThisCISPRpublicationappliestoinformationtechnologyequipment(ITE)asdefinedinCISPR22.HarmonizedstandardspreparedbyETSI,whichcovertheimmunityrequirementsfortelecommunicationsnetworkequipmenttakeprecedenceoverthisstandard.ProceduresaredefinedforthemeasurementofITEandlimitsarespecifiedwhicharedevelopedforITEandwithinthefrequencyrangefrom0Hzto400GHz.Theobjectofthispublicationistoestablishrequirementswhichwillprovideanadequatelevelofintrinsicimmunitysothattheequipmentwilloperateasintendedinitsenvironment.Forexceptionalenvironmentalconditions,specialmitigationmeasuresmayberequired.Owingtotestingandperformanceassessmentconsiderations,sometestsarespecifiedindefinedfrequencybandsoratselectedfrequencies.Equipmentwhichfulfilstherequirementsatthesefrequenciesisdeemedtofulfiltherequirementsintheentirefrequencyrangefrom0Hzto400GHzforelectromagneticphenomena.Theobjectofthispublicationistodefinetheimmunitytestrequirementsforequipmentdefinedinthescopeinrelationtocontinuousandtransient,conductedandradiateddisturbances,includingelectrostaticdischarges(ESD).Thetestrequirementsarespecifiedforeachportconsidered.NOTE1Safetyconsiderationsarenotcoveredinthispublication.NOTE2Inspecialcases,situationswillarisewherethelevelofdisturbancemayexceedthelevelsspecifiedinthispublication,forexamplewhereahand-heldtransmitterisusedinproximitytoanequipment.Intheseinstancesspecialmitigationmeasuresmayhavetobeemployed.
【中国标准分类号】:L06
【国际标准分类号】:
【页数】:42P.;A4
【正文语种】:英语