IEC 61643-311-2001 低压浪涌保护装置的元件第311部分:排气管(GDT)规范

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【英文标准名称】:Componentsforlow-voltagesurgeprotectivedevices-Part311:Specificationforgasdischargetubes(GDT)
【原文标准名称】:低压浪涌保护装置的元件第311部分:排气管(GDT)规范
【标准号】:IEC61643-311-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC37B
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);定义;定义;低电压;输出测定;电气工程;过电压保护装置;试验;气体放电;气体放电管;低压熔断器;电性质和电现象;电压保护;作标记
【英文主题词】:Definitions;Electricdischargesingases;Electricalengineering;Electricalpropertiesandphenomena;Gasdischargetubes;Lowvoltage;Low-voltagefuses;Marking;Outputdetermination;Overvoltageprotection;Specification(approval);Testing;Voltageprotection
【摘要】:Gasdischargetubes(GDTs)areusedforapplicationsupto1000Va.c.or1500Vd.c.incommunicationorsignallingcircuits.Theyaredefinedasagap,orseriesofgaps,inanencloseddischargemediumotherthanair.Theyaredesignedtoprotectapparatusorpersonnel,orboth,fromhightransientvoltages.Thisstandarddoesnotspecifyrequirementsapplicabletocompletesurgeprotectivedevices,nordoesitspecifytotalrequirementsforGDTsemployedwithinelectronicdevices,whereprecisecoordinationbetweenGDTperformanceandsurgeprotectivedevicewithstandcapabilityishighlycritical.ThispartofIEC61643-dealswithGDTshavingtwoorthreeelectrodes;-doesnotdealwithmountingsandtheireffectonGDTcharacteristics.CharacteristicsgivenapplysolelytoGDTsmountedinthewaysdescribedforthetests;-doesnotdealwithmechanicaldimensions;-doesnotdealwithqualityassurancerequirements;-maynotbesufficientforGDTsusedonhigh-frequencyormulti-channelsystems;-doesnotdealwithelectrostaticvoltages;-doesnotdealwithGDTsconnectedinserieswithvoltage-dependentresistorsinordertolimitfollow-oncurrentsinelectricalpowersystems;-doesnotdealwithhybridorcompositeGDTdevices.
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:41P.;A4
【正文语种】:英语


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【英文标准名称】:Solidfertilizers-Testsieving
【原文标准名称】:固体肥料.筛分试验
【标准号】:BSEN1235-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-12-15
【实施或试行日期】:1995-12-15
【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】:报告;试样;肥料;再现性;粒度测量;体积;试样制备;粒度分布;农用化学制品;植物药物;筛分;筛选(大小)
【英文主题词】:Agriculturalchemicals;Agriculture;Analysis;Definitions;Determination;Distribution;Fertilizers;Fertilizing;Grainsize;Grains;Interpretations;Investigations;Particlesizeanalysis;Particlesizedistribution;Particlesizemeasurement;Physicalpropertiesofmaterials;Samplingmethods;Screening(sizing);Soilimprovement;Soilimprovingmaterials;Solids;Testequipment;Testing
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationoftheparticlesizedistributionofsolidfertilizersbytestsieving.NOTE—Theapplicabilityofthemethodhasbeentestedwithsievesofnominalsizesofopeningsbetween100μmand5,60mm.AnnexZAgivesfurtherinformationontheexpressionoftheresultsoftestsieving.AnnexZBliststhebibliography.
【中国标准分类号】:B13
【国际标准分类号】:65_080
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:Sterilizationofmedicaldevices.Lowtemperaturesteamandformaldehyde.Requirementsfordevelopment,validationandroutinecontrolofasterilizationprocessformedicaldevices
【原文标准名称】:医疗设备消毒.低温蒸汽和甲醛.医疗设备消毒流程的开发,确认和常规控制要求
【标准号】:BSENISO25424-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-08-31
【实施或试行日期】:2011-08-31
【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】:
【英文主题词】:Applications;Definitions;Developments;Formaldehyde;Hygiene;Lowtemperatures;Medicaldevices;Medicalequipment;Medicalproducts;Medicalsciences;Packages;Qualitymanagement;Specification(approval);Steamsterilization;Sterilization(hygiene);Use;Validation;Vapours
【摘要】:1.1Inclusions1.1.1ThisEuropeanStandardspecifiesrequirementsforthedevelopment,validationandroutinecontrolofaLowTemperatureSteamandFormaldehyde(LTSF)sterilizationprocessformedicaldevices.NOTEAlthoughthescopeofthisstandardislimitedtomedicaldevices,itspecifiesrequirementsandprovidesguidancethatmaybeapplicabletootherproductsandequipment.1.1.2ThisEuropeanStandardisintendedtobeappliedbyprocessdevelopers,manufacturersofsterilizationequipment,manufacturersofmedicaldevicestobesterilizedandtheorganizationswithresponsibilityforsterilizingmedicaldevices.(SeeENISO14937:2000,TableE.1)1.1.3ThisEuropeanStandardcoverssterilizationprocesseswhichuseamixtureoflowtemperaturesteamandformaldehydeassterilant,andwhichareworkingbelowambientpressureonly.1.2Exclusions1.2.1Sterilizationprocessesvalidatedandcontrolledinaccordancewiththerequirementsofthisstandardshouldnotbeassumedtobeeffectiveininactivatingthecausativeagentsofspongiformencephalopathiessuchasscrapie,bovinespongiformencephalopathyandCreutzfeld-Jakobdisease.Specificrecommendationshavebeenproducedinparticularcountriesfortheprocessingofmaterialspotentiallycontaminatedwiththeseagents.1.2.2Thisstandarddoesnotspecifyrequirementsfordesignatingamedicaldeviceas“STERILE”.SuchrequirementsaregiveninEN556-1.1.2.3Thisstandarddoesnotspecifyaqualitymanagementsystemforthecontrolofallstagesofproductionofmedicaldevices.NOTEItisnotarequirementofthisstandardtohaveacompletequalitymanagementsystemduringmanufactureorreprocessing,butthoseelementsofsuchasystemthatarerequiredarenormativelyreferencedatappropriateplacesinthetext.Attentionisdrawntothestandardsforqualitymanagementsystems(seeENISO13485)thatcontrolallstagesofproductionorreprocessingofmedicaldevicesincludingthesterilizationprocess.FurtherguidanceisgiveninE.2ofENISO14937:2000.1.2.4ThisstandarddoesnotspecifyrequirementsforoccupationalsafetyassociatedwiththedesignandoperationofLTSFsterilizationfacilities.NOTE1SafetyrequirementsforsterilizersarespecifiedinEN61010-2-040.NOTE2Attentionisalsodrawntotheexistenceinsomecountriesofregulationsstipulatingsafetyrequirements.1.2.5ThisEuropeanStandarddoesnotcoveranalyticalmethodsfordetermininglevelsorresiduesofformaldehydeand/oritsreactionproducts.NOTE1AttentionisdrawntoEN14180.NOTE2Attentionisdrawntothepossibleexistenceinsomecountriesofstatutoryregulationspecifyinglimitsforthelevelofformaldehyderesiduesonmedicaldevicesandproducts.1.2.6ThisEuropeanStandarddoesnotcoverpreparatorymeasuresthatmaybenecessarybeforesterilizationsuchascleaning,disinfectionandpacking.NOTEForre-sterilizablemedicaldevices,themanufacturer(s)ofthesedevicesshouldsupplyinformationonthepreparatorymeasures(seeENISO17664).
【中国标准分类号】:C47
【国际标准分类号】:11_080_01
【页数】:54P.;A4
【正文语种】:英语