DIN 931 Bb.1-1986 带杆六角头螺钉.重量
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【英文标准名称】:Hexagonheadboltswithshank;masses
【原文标准名称】:带杆六角头螺钉.重量
【标准号】:DIN931Bb.1-1986
【标准状态】:现行
【国别】:德国
【发布日期】:1986-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:杆(紧固件);六角头螺钉;六角头紧固件;紧固件;无头紧固件;螺钉;砝码
【英文主题词】:fasteners;screws(bolts);weights;shafts(fasteners);hexagonheadscrews;screws;headlessfasteners;hexagonal-headfasteners
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:3920
【页数】:3P;A4
【正文语种】:德语
【英文标准名称】:Electromagneticcompatibility(EMC)-Part6-2:Genericstandards-Immunityforindustrialenvironments
【原文标准名称】:电磁兼容性(EMC).通用标准.工业环境不敏感性
【标准号】:BSEN61000-6-2-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-10-23
【实施或试行日期】:2001-10-23
【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】:电气设备;电子设备及元件;性能试验;射频;电力系统;电压波动;电磁兼容性;频率;电压;无线电干扰;乱真信号;浪涌(电);电磁辐射;电力系统干扰;特高频;瞬时电压;工业设施;电磁场;电气试验;甚高频
【英文主题词】:
【摘要】:ThispartofIEC61000forEMCimmunityrequirementsappliestoelectricalandelectronicapparatusintendedforuseinindustrialenvironments,asdescribedbelow,forwhichnodedicatedproductorproduct-familyimmunitystandardexists.Immunityrequirementsinthefrequencyrange0Hzto400GHzarecovered.Notestsneedtobeperformedatfrequencieswherenorequirementsarespecified.Wherearelevantdedicatedproductorproduct-familyEMCimmunitystandardexists,itwilltakeprecedenceoverallaspectsofthisgenericstandard.Theenvironmentsencompassedbythisstandardareindustrial,bothindoorandoutdoor.Apparatuscoveredbythisstandardisintendedtobeconnectedtoapowernetworksuppliedfromahighormediumvoltagetransformerdedicatedtothesupplyofaninstallationfeedingmanufacturingorsimilarplant,andintendedtooperateinorinproximitytoindustriallocations,asdescribedbelow.Apparatusintendedtobeusedinindustriallocationsarecharacterizedbytheexistenceofoneormoreofthefollowing:-apowernetworkexistspoweredbyahighormediumvoltagepowertransformerdedicatedforthesupplyofaninstallationfeedingmanufacturingorsimilarplant;-industrial,scientificandmedical(ISM)apparatus;-heavyinductiveorcapacitiveloadsarefrequentlyswitched;-currentsandassociatedmagneticfieldsarehigh.Theobjectofthisstandardistodefineimmunitytestrequirementsforapparatusdefinedinthescopeinrelationtocontinuousandtransient,conductedandradiateddisturbances,includingelectrostaticdischarges.Theimmunityrequirementshavebeenselectedtoensureanadequatelevelofimmunityforapparatusatindustriallocations.Thelevelsdonot,however,coverextremecases,whichmayoccuratanylocation,butwithanextremelylowprobabilityofoccurrence.Notalldisturbancephenomenahavebeenincludedfortestingpurposesinthisstandard,butonlythoseconsideredasrelevantfortheequipmentcoveredbythisstandard.Testrequirementsarespecifiedforeachportconsidered.NOTE1-Safetyconsiderationsarenotcoveredbythisstandard.NOTE2-Inspecialcases,situationswillarisewherethelevelofdisturbancesmayexceedthelevelsspecifiedinthisstandarde.g.whereanapparatusisinstalledinproximitytoISMequipmentasdefinedinCISPR11orwhereahand-heldtransmitterisusedincloseproximitytoanapparatus.Intheseinstances,specialmitigationmeasuresmayhavetobeemployed.NOTE3-Theindustrialenvironmentmaybechangedbyspecialmitigationmeasures.Wheresuchmeasurescanbeshowntoproduceanelectromagneticenvironmentequivalenttotheresidential,commercialorlight-industrialenvironmentthenthegenericstandardforthisenvironment,ortherelevantproductstandard,shouldbeapplied.note:1)AsdefinedinCISPR11,ISMclassA.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:20P.;A4
【正文语种】:英语
基本信息
标准名称: | 抽油杆及其接箍 |
中标分类: |
石油 >>
石油勘探、开发、集输设备 >>
石油钻采设备与仪器 |
替代情况: | 调整为SY/T 5029-1993 调整为JB/T 7897-1995 |
发布日期: | 1900-01-01 |
实施日期: | 1987-09-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 24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: 石油 石油勘探 开发 集输设备 石油钻采设备与仪器