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MIL-PRF-23648F (W/ AMENDMENT 2)

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MIL-PRF-23648F (W/ AMENDMENT 2), PERFORMANCE SPECIFICATION: RESISTORS, THERMAL (THERMISTOR) INSULATED, GENERAL SPECIFICATION FOR (23 JAN 2009)., This specification covers the general requirements for general purpose insulated thermal resistors to be used for temperature compensation, control, and measurement over the temperature range specified.
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【英文标准名称】:Guideonmaintainabilityofequipment.Part3:SectionsSixandSeven-Verificationandcollection,analysisandpresentationofdata.
【原文标准名称】:设备维修性指南第3部分:第6和7节:数据的验证、收集、分析与报告
【标准号】:IEC60706-3-1987
【标准状态】:作废
【国别】:国际
【发布日期】:1987
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC56
【标准类型】:()
【标准水平】:()
【中文主题词】:设备;验证;电驱动装置;电气工程;维修;维修性;指导手册;表示法;分析;编写;收集;获得;数据
【英文主题词】:Acquisition;Analysis;Collections;Data;Electricalengineering;Electrically-operateddevices;Equipment;Guidebooks;Maintainability;Maintenance;Representations;Verification
【摘要】:Thisguideisintendedtomakerecommendationsforthestandardizationofmaintainabilitypracticesandtostimulateideasinthemaintainabilityfield.Describesthevariousaspectsofverificationnecessarytoensurethatthespecifiedrequirementshav
【中国标准分类号】:L05
【国际标准分类号】:29_020
【页数】:24P;A4
【正文语种】:英语


【英文标准名称】:Electricalapparatusforexplosivegasatmospheres-Part26:Construction,testandmarkingofGroupⅡCategory1Gelectricalapparatus
【原文标准名称】:爆炸性气体环境用电气设备.II组IG类电气设备的制造、试验和标记
【标准号】:BSEN60079-26-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2005-02-02
【实施或试行日期】:2005-02-02
【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】:通风;防护电气设备;电气设备;爆炸性;分类系统;潜在爆炸物;危险区域;大气;爆炸危险;爆炸性环境;保护形式;隔墙;电驱动装置;易燃材料;保护措施;设计;定义;试验;分类;易燃性;设备;防爆;炸药;燃烧气体;爆炸区;规范(验收);作标记;安全要求;电气工程;安全;可燃性环境;多语种的
【英文主题词】:Atmosphere;Burninggases;Classification;Classificationsystems;Dangerzones;Definition;Definitions;Design;Electricappliances;Electricalengineering;Electricalequipment;Electricalinstallations;Electrically-operateddevices;Equipment;Explosionarea;Explosionhazard;Explosionprotection;Explosionsecurity;Explosion-proof;Explosive;Explosiveatmospheres;Explosives;Flammableatmospheres;Flammablematerials;Inflammable;Marking;Multilingual;Partitions;Potentiallyexplosivematerials;Protectedelectricalequipment;Protectivemeasures;Safety;Safetyrequirements;Specification(approval);Testing;Typeofprotection;Ventilation
【摘要】:ThispartofIEC60079specifiestheparticularrequirementsforconstruction,testandmarkingforelectricalapparatusofGroupⅡintendedforuseinZone0asdefinedinIEC60079-10.Thiselectricalapparatus,withintheoperationalparametersspecifiedbythemanufacturer,ensuresaveryhighlevelofprotectionthatincludesrarefaultsrelatedtotheapparatusortwofaultsoccurringindependentlyofeachother.NOTE1Amalfunctionmayresultfromafailureofthecomponentpartsoftheelectricalapparatusorfromanticipatedexternallyappliedinfluences.Twoindependentmalfunctionswhichmayoccurmorefrequentlyandwhich,separately,wouldnotcreateanignitionhazardbutwhich,incombination,couldcreateapotentialignitionhazard,shouldberegardedasoccurringtogethertoformararefault.ThiselectricalapparatusisintendedforuseinZone0hazardousareas,inwhichexplosivegasatmospherescausedbymixturesofairandgases,vapoursormistsundernormalatmosphericconditionsarepresentcontinuously,forlongperiodsorfrequently.ThisstandardalsoappliestoapparatusmountedacrosstheboundarybetweenZone0andZone1.EXAMPLE:Inthewallofastoragevessel.ThisstandardalsoappliestoapparatusinstalledoutsideZone0,butelectricallyconnectedtoapparatusinsideZone0(associatedapparatus).ThisstandardsupplementsthegeneralrequirementsinIEC60079-0andtherequirementsofthestandardizedtypesofprotection,inaccordancewiththeIEC60079series,toadaptthelevelofsafetyprovidedbythosestandardstotheveryhighlevelofriskinZone0.NOTE2IndesigningapparatusforoperationinexplosivegasatmospheresunderconditionsotherthantheatmosphericconditionsgiveninIEC60079-0,thisstandardmaybeusedasaguide.However,additionaltestingisrecommendedrelatedspecificallytotheintendedconditionsofuse.Thisisparticularlyimportantwhenthetypesofprotection'Flameproofenclosure'(IEC60079-1)and'Intrinsicsafety'(IEC60079-11)areapplied.NOTE3TheclassificationofhazardousareasinzonesisdefinedinIEC60079-10.NOTE4Theremaybeothernon-electricalsourcesofignition(forexampleultrasonic,opticalorionizingradiation)thatarenotaddressedbythisstandard;theseshouldalsobetakenintoconsideration(see,forexample,EN1127-1).
【中国标准分类号】:K35
【国际标准分类号】:13_230;29_260_20
【页数】:20P.;A4
【正文语种】:英语



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