DIN EN 61000-4-8-1994 电磁兼容性.第4部分:试验和测量方法.第8节:电源频率磁场抗扰试验.电磁兼容性(EMC)基本标准
作者:标准资料网 时间:2024-05-16 01:34:26 浏览:8953
来源:标准资料网
【英文标准名称】:Electromagneticcompatibility(EMC);part4:testingandmeasuringtechniques;section8:powerfrequencymagneticfieldimmunitytest;basicEMCpublication(IEC61000-4-8:1993);GermanversionEN61000-4-8:1993
【原文标准名称】:电磁兼容性.第4部分:试验和测量方法.第8节:电源频率磁场抗扰试验.电磁兼容性(EMC)基本标准
【标准号】:DINEN61000-4-8-1994
【标准状态】:作废
【国别】:德国
【发布日期】:1994-05
【实施或试行日期】:1994-05-01
【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】:测量技术;测量方法;标准;定义;电气设备;干扰易感性;电磁兼容性;电磁兼容性;抗扰性;电气工程;试验;干扰抑制;磁场测量;电磁学;基本标准;磁场;电磁场;电磁场;电子工程;能源技术;电磁试验;频率
【英文主题词】:
【摘要】:
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:28P;A4
【正文语种】:德语
Product Code:SAE AS280
Title:Wheel and Axle Dimensions for Type Vii Tire-Stub (Tapered) Axle Type (Cancelled Dec 2002)
Issuing Committee:A-5 Aerospace Landing Gear Systems Committee
Scope:【英文标准名称】:StandardPracticefortheEvaluationofSingle-PanMechanicalBalances
【原文标准名称】:单盘机械天平的评定的标准实施规程
【标准号】:ASTME319-1985(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1985
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E41.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:balances;scales;weighinginstruments;Acceptancecriteria/testing;Balances;Laboratoryapparatus;Performance--laboratoryinstrumentation/process;Precisioninstrumentation;Weight
【摘要】:MonitoringWeighingPerformance8212;Thispracticeprovidesresultsintheformofcontrolchartswhichmeasuretheweighingcapabilityatthetimeofthetest.Aseriesoftestsatappropriateintervalswillmonitorbalanceperformanceoveraperiodoftime.Amarkedchangefromexpectedperformancemayresultfromavarietyofcausesincluding:maladjustment,damage,dirt,foreignmaterial,andthermaldisturbances.Ifthetestresultsaretoindicatefutureperformance,anydisturbancesthatoccurexteriortothebalancemustbebroughtundercontrol(2).AcceptanceTests8212;Thispracticemayalsobeusedasacceptancetestsfornewbalances.Forthispurpose,thetestsshouldbeconductedunderfavorable,butnotnecessarilyideal,conditions.Sincesystematicerrorinthecourseofthezeroandthecourseofthesensitivitymaybecausedbydisturbancesexternaltothebalance,limitsontheseerrorsarenotordinarilyprescribedinacceptancerequirements.1.1Thispracticecoverstestingproceduresforevaluatingtheperformanceofsingle-armbalancesrequiredbyASTMstandards.1.2Thispracticeisintendedforbutnotlimitedtosensitivityratiosof106orbetterandon-scalerangesof1000xdormorewhered=reabilityeitherdirectlyorbyestimation.1.3Thispracticecanalsobeappliedtoothersingle-panbalanceswithmechanicalweightchangingofdifferentcapacitiesorsensitivitieswithappropriatetestloadsandcalibrationweights.Note18212;Mechanicalbalancesofthistypehavelargelybeenreplacedbyautomaticelectronicbalancesincorporatingavarietyofoperationalprinciples.Nevertheless,somesingle-panmechanicalbalancesarestillmanufacturedandmanyolderbalanceswillremaininserviceforyearstocome.Onetypeofautomaticelectronicbalance,theso-calledx201C;hybrid,x201D;bearsconsiderablesimilaritytosingle-panmechanicalbalancesofthenulltype.(1)1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N13
【国际标准分类号】:
【页数】:9P.;A4
【正文语种】:英语
