ASTM E2320-2004 热环境和室内空气条件下办公室设备适用性的标准分类

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【英文标准名称】:StandardClassificationforServiceabilityofanOfficeFacilityforThermalEnvironmentandIndoorAirConditions
【原文标准名称】:热环境和室内空气条件下办公室设备适用性的标准分类
【标准号】:ASTME2320-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E06.25
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:适用性;室内;条件;分类;办公室;热环境;空气
【英文主题词】:airquality;building;facility;facilityoccupants;function;humidity;indoorair;officeperformance;rating;ratingscale;requirements;serviceability;temperature;thermalenvironment;ventilation
【摘要】:EachOccupantRequirementScale(seeFigs.1-5)inthisclassificationprovidesameanstosettherequiredlevelofserviceabilityofabuildingorfacilityforonetopicofserviceabilityandtocomparethatlevelagainstanylevelofanyotheroccupant,orofanybuildingorfacility.EachFacilityRatingScale(seeFigs.1-5)inthisclassificationprovidesameanstoestimatethelevelofserviceabilityofabuildingorfacilityforonetopicofserviceabilityandtocomparethatlevelagainstanylevelofrequirementofanyoccupant,orofanyotherbuildingorfacility.Thisclassificationcanbeusedforcomparinghowwelldifferentbuildingsorfacilitiesmeetaparticularrequirementforserviceability.Itisapplicabledespitedifferencessuchaslocation,structure,mechanicalsystems,age,andbuildingshape.Thisclassificationcanbeusedtoestimatetheamountofvarianceofserviceabilityfromtargetorfromrequirement,forasingleofficefacility,orwithinagroupofofficefacilities.Thisclassificationcanbeusedtoestimatethefollowing:4.5.1Serviceabilityofanexistingfacilityforusesotherthanitspresentuse.4.5.2Serviceability(potential)ofafacilitythathasbeenplannedbutnotyetbuilt.4.5.3Serviceability(potential)ofafacilityforwhichremodelinghasbeenplanned.Useofthisclassificationdoesnotresultinbuildingevaluationordiagnosis.Buildingevaluationordiagnosisgenerallyrequiresaspecialexpertiseinbuildingengineeringortechnology,andtheuseofinstruments,tools,ormeasurements.Thisclassificationappliesonlytofacilitiesthatarebuildingconstructions,orpartthereof.(Whileclassificationmaybeusefulinratingtheserviceabilityoffacilitiesthatarenotbuildingconstructions,suchfacilitiesareoutsidethescopeofthisclassification.Seediscussionunderdefinition3.1.1.)Thisclassificationisnotintendedfor,andisnotsuitablefor,useforregulatorypurposesnorforfirehazardassessmentnorforfireriskassessment.1.1Thisclassificationcontainspairsofscalesforclassifyinganaspectoftheserviceabilityofanofficefacility,thatis,thecapabilityofanofficefacilitytomeetcertainpossiblerequirementsforsuitablethermalenvironmentandindoorairconditions.1.2Withinthisaspectofserviceability,eachpairofscales,shownin5,isforclassifyingonetopicofserviceability.EachparagraphinanOccupantRequirementScale(see)summarizesonelevelofrequirementforserviceabilityonthattopic,whichoccupantsmightrequire.ThematchingparagraphintheFacilityRatingScale(see)isatranslationoftherequirementintoadescriptionofcertainfeaturesofafacilitywhich,takenincombination,indicatethatthefacilityislikelytomeetthatlevelofrequiredserviceability.1.3TheparagraphsintheFacilityRatingScale(see)areindicativeandnotcomprehensive.Theyareforquickscanningtoestimateapproximately,quickly,andeconomicallyhowwellafacilityislikelytomeettheneedsofoneoranothertypeofoccupantgroupovertime.Theparagraphsarenotformeasuring,knowing,orevaluatinghowanofficefacilityisperforming.1.4Thisclassificationcanbeusedtoestimatethelevelofserviceabilityofanexistingfacility.Itcanalsobeusedtoestimatetheserviceabilityofafacilitythathasbeenplannedbutnotyetbuilt,suchasoneforwhichschematicorpreliminarydrawingsandoutlinespecificationshavebeenprepared.1.5Thisstandardindicateswhatwouldcauseafacilitytoberated(classified)atacertainlevelofserviceabi......
【中国标准分类号】:P48
【国际标准分类号】:91_140_30
【页数】:14P.;A4
【正文语种】:


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【英文标准名称】:Residualcurrentoperatedcircuit-breakerswithoutintegralovercurrentprotectionforhouseholdandsimilaruses(RCCBs)-Part1:Generalrules
【原文标准名称】:家用和类似用途的无完整过电流保护的残余电流驱动断路器(RCCBs).第1部分:一般规则
【标准号】:BSEN61008-1-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2006-04-28
【实施或试行日期】:2006-04-28
【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】:附件;交流电流;交流电压;断路器;分类系统;接触安全装置;定义;设计;差分电流开关;差分电流;家用电气设备;接地漏泄断路器;电器;电气工程;电气装置;电气保护设备;电气安全;电磁兼容性;EMC;故障电流断路器;故障电流;一般条件;家用(安装)设备;家用设备;家用;批注;线路开关;低电压;低压设备;作标记;安装材料;过电流保护装置;产品信息;性能;防电击;保护设备;剩余电流驱动的断路器;自动断路器;规范(验收);开关;开关设备;测试;跳闸机构(断路器)
【英文主题词】:Accessories;Alternatingcurrent;Alternatingvoltages;Circuit-breakers;Classificationsystems;Contactsafetydevices;Definition;Definitions;Design;Differentialcurrentswitches;Differentialcurrents;Domesticelectricalinstallations;Earth-leakagecircuit-breakers;Electricappliances;Electricalengineering;Electricalinstallations;Electricalprotectionequipment;Electricalsafety;Electromagneticcompatibility;EMC;Faultcurrentbreakers;Faultcurrents;Generalconditions;Houseinstallations;Householdequipment;Householduse;Incription;Lineswitches;Lowvoltage;Low-voltageequipment;Marking;Mountingmaterials;Overcurrentprotection;Productinformations;Properties;Protectionagainstelectricshocks;Protectiondevices;Residualcurrentoperatedcircuit-breakers;Self-actingcircuit-breakers;Specification(approval);Switches;Switchgear;Testing;Trippingmechanisms(circuit-breakers)
【摘要】:ThisInternationalStandardappliestoresidualcurrentoperatedcircuit-breakersfunctionallyindependentof,orfunctionallydependenton,linevoltage,forhouseholdandsimilaruses,notincorporatingovercurrentprotection(hereafterreferredtoasRCCBs),forratedvoltagesnotexceeding440Va.c.andratedcurrentsnotexceeding125A?forfixedinstallations?,intendedprincipallyforprotectionagainstshock-hazard.Thesedevicesareintendedtoprotectpersonsagainstindirectcontact,theexposedconductivepartsoftheinstallationbeingconnectedtoanappropriateearthelectrode.Theymaybeusedtoprovideprotectionagainstfirehazardsduetoapersistentearthfaultcurrent,withouttheoperationoftheovercurrentprotectivedevice.RCCBshavingaratedresidualoperatingcurrentnotexceeding30mAarealsousedasameansforadditionalprotectionincaseoffailureoftheprotectivemeansagainstelectricshock.Thisstandardappliestodevicesperformingsimultaneouslythefunctionsofdetectionoftheresidualcurrent,ofcomparisonofthevalueofthiscurrentwiththeresidualoperatingvalueandofopeningoftheprotectedcircuitwhentheresidualcurrentexceedsthisvalue.RCCBswithinthescopeofthisstandardareintendedforusedinanenvironmentpollutiondegree2.Theyaresuitableforisolation.DevicestothisstandardaresuitableforuseinITsystemsiftherequirementsoftheinstallationrulesaremet.?Specialprecautions(e.g.lightningarresters)maybenecessarywhenexcessiveovervoltagesarelikelytooccuronthesupplyside(forexampleinthecaseofsupplythroughoverheadlines)(seeIEC60364-4-443).RCCBsofthegeneraltypeareresistanttounwantedtrippingincludingthecasewheresurgevoltages(asaresultofswitchingtransientsorinducedbylightning)causeloadingcurrentsintheinstallationwithoutoccurrenceofflashover.RCCBsoftheStypeareconsideredtobesufficientproofagainstunwantedtrippingevenifthesurgevoltagecausesaflashoverandafollow-oncurrentoccurs.Italsocontainsthedetailsrelativetotestrequirementsandmethodsoftestingnecessarytoensurereproducibilityoftestresults.Thisstandardstatesa)thecharacteristicsofRCCBs,b)theconditionswithwhichRCCBsshallcomply,withreferenceto1)theiroperationandbehaviourinnormalservice,2)theiroperationandbehaviourincaseofshort-circuits,3)theiroperationunderresidualcurrentconditions,4)theirdielectricproperties,5)EMC,c)thetestsintendedforconfirmingthattheseconditionshavebeenmetandthemethodstobeadoptedforthetests,d)thedatatobemarkedonthedevices,e)thetestsequencestobecarriedoutandthenumberofsamplestobesubmittedforcertificationpurposes(seeAnnexA),f)theroutineteststobecarriedoutoneachRCCBtorevealunacceptablevariationsinmaterialormanufacture,likelytoaffectsafety(seeAnnexD)
【中国标准分类号】:Y60;K31
【国际标准分类号】:29_120_50
【页数】:142P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforBrittlenessTemperatureofPlasticsandElastomersbyImpact
【原文标准名称】:用冲击法测定塑料及弹性材料的脆化温度的标准试验方法
【标准号】:ASTMD746-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:脆化;弹性材料;冲击试验;塑料;密封件;测试;轮胎
【英文主题词】:brittlefailure;brittlenesstemperature;elastomer;impactplastics
【摘要】:Thistestmethodestablishesthetemperatureatwhich50%ofthespecimenstestedfailwhensubjectedtotheconditionsspecifiedherein.Thetestprovidesfortheevaluationoflong-timeeffectssuchascrystallization,orthoseeffectsthatareintroducedbylow-temperatureincompatibilityofplasticizersinthematerialundertest.Plasticsandelastomersareusedinmanyapplicationsrequiringlow-temperatureflexingwithorwithoutimpact.Usedataobtainedbythismethodtopredictthebehaviorofplasticandelastomericmaterialsatlowtemperaturesonlyinapplicationsinwhichtheconditionsofdeformationaresimilartothosespecifiedinthistestmethod.Thistestmethodhasbeenfoundusefulforspecificationpurposes,butdoesnotnecessarilymeasurethelowesttemperatureatwhichthematerialissuitableforuse.FIG.1DimensionalRequirementsBetweenSpecimenClampandStrikingEdge(TypeA)FIG.2TypicalClamp(TypeA)Note8212;Dimensionsareinmillimetres.FIG.3DimensionalDetailsofStrikingEdgeandClampingDevice,TypeB(PositioningofUnnotchedTestSpecimen)FIG.4AssembledClampwithTestSpecimens,TypeB1.1Thistestmethodcoversthedeterminationofthetemperatureatwhichplasticsandelastomersexhibitbrittlefailureunderspecifiedimpactconditions.Tworoutineinspectionandacceptanceproceduresarealsoprovided.Note18212;WhentestingrubbersforimpactbrittlenessuseTestMethodsD2137.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Duetothepotentialsafetyandenvironmentalhazardsassociatedwithmercury-filledthermometers,theuseofalternativetemperaturemeasuringdevices(suchasthermocouplesandRTDs)isencouraged.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note28212;ThistestmethodandISO974(E)aretechnicallyequivalentwhenusingtheTypeBfixtureandtheTypeIIIspecimen,however,theminimumnumberofspecimensthatarerequiredtobetestedissignificantlydifferentwhenusingthistestmethod.TheISOmethodrequiresthataminimumof100specimensbetested.
【中国标准分类号】:G31
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】: