BS EN 60269-2-1995 低压熔断器.被授权人员使用的熔断器的补充要求(主要用于工业的熔断器)

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【英文标准名称】:Low-voltagefuses-Supplementaryrequirementsforfusesforusebyauthorizedpersons(fusesmainlyforindustrialapplication)
【原文标准名称】:低压熔断器.被授权人员使用的熔断器的补充要求(主要用于工业的熔断器)
【标准号】:BSEN60269-2-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1988-10-31
【实施或试行日期】:1988-10-31
【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】:低压熔断器;产品规范;工业设施;材料规范;作标记;材料;电气工程;熔断器;工业;种植;熟练电技术工作;试验;描述;专家;使用;低压电器;规范(验收);特性;低电压;绝缘
【英文主题词】:Applications;Electricalengineering;Electrotechnicallyskilledlabour;Experts;Fuses;Industrialfacilities;Industries;Inscription;Insulations;Lowvoltage;Low-voltageequipment;Low-voltagefuses;Marking;Materials;Materialsspecification;Plant;Productspecification;Properties;Specification(approval);Testing
【摘要】:RequirementssupplementarytothoseofPart1forfusesgenerallyintendedtobeusedininstallationswherethefuse-linksareaccessibletoauthorizedpersonsonly.
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:12P.;A4
【正文语种】:英语


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【英文标准名称】:AustemperedDuctileIronCastings
【原文标准名称】:等温淬火球墨铸铁
【标准号】:ASTMA897-1990
【标准状态】:作废
【国别】:美国
【发布日期】:1990
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:冶金;淬火;球墨铸铁
【英文主题词】:nodular-graphitecast-iron;hardening;metallurgy
【摘要】:
【中国标准分类号】:H41
【国际标准分类号】:77_080_10;77_140_80
【页数】:6P;A4
【正文语种】:英语


【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