BS 2782 Pt.4 Method 432B-1976 塑料的试验方法.第4部分:化学性能.试验方法432B:不饱和高聚物树脂酸值的测定

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【英文标准名称】:Electricitymeteringequipment(a.c.)-Tariffandloadcontrol-Particularrequirementsfortimeswitches
【原文标准名称】:电量测量设备(交流).税费和负荷控制.定时开关的特殊要求
【标准号】:BSEN62054-21-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-11-26
【实施或试行日期】:2004-11-26
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:控制;定义;电能;电子工程学;电器;负载控制;负荷;特性;规范(验收);开关;税费定时开关;税费;税费控制;测试;测试条件;定时开关;定时装置
【英文主题词】:Control;Definition;Definitions;Electricenergy;Electricalengineering;Electronicinstruments;Loadcontrol;Loading;Properties;Specification(approval);Switchgear;Tariftime-switches;Tariff;Tariffcontrol;Testing;Testingconditions;Timeswitches;Timingdevices
【摘要】:ThispartofIEC62054specifiesparticularrequirementsforthetypetestofnewlymanufacturedindoortimeswitcheswithoperationreservethatareusedtocontrolelectricalloads,multi-tariffregistersandmaximumdemanddevicesofelectricitymeteringequipment.Thetimeswitchkeepstherealtime,itmaykeepthedate,itmaybecapableofhandlingleapyears,itmaysupportdaylightsaving,i.e.itmodifiesthedeviationoflocaltimetoGMTaccordingtotherelevantregulations.Thetimeswitchmayhaveasynchronizationcapability.Thetimeswitchalsoholdsascheduleofswitchingactions,whichmaybespecifiedintermsoftime,dayoftheweek,datewithinamonthorayear.Thetimeswitchcontrolstheoutputelementsdependingonthetimeandthescheduleofswitchingactionsstored.Thisstandardgivesnorequirementsforconstructionaldetailsinternaltothetimeswitch.Inthecasewheretimeswitchfunctionalityisintegratedintomultifunctionelectricitymeteringequipment,therelevantpartsofthisstandardapply.Thisstandardcoverstimeswitcheswithanaloguemechanicaldialsorelectronicdigitaldisplaysthatare-synchronous;or-crystal-controlled.Thisstandarddoesnotcovertheacceptancetestsandtheconformitytests.Nevertheless,anexampleofwhatcouldbeanacceptancetestisgiveninAnnexA.ThedependabilityaspectiscoveredbythedocumentsoftheIEC62059series.WhenusingthisstandardinconjunctionwithIEC62052-21,therequirementsofthisstandardtakeprecedenceoverthoseofIEC62052-21withregardtoanyitemalreadycoveredinit.
【中国标准分类号】:N22
【国际标准分类号】:91_140_50
【页数】:20P.;A4
【正文语种】:英语


【英文标准名称】:Wood-basedpanels;determinationofdensity;GermanversionEN323:1993
【原文标准名称】:木质板料.密度测定
【标准号】:EN323-1993
【标准状态】:现行
【国别】:
【发布日期】:1993-08
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:胶合板;试验;木质板材;试件;碎料板;建筑用纤维板;体密度;试验设备;试验装置
【英文主题词】:Bulkdensity;Densimetry;Density;Fibrebuildingboard;Particleboards;Plywood;Testequipment;Testpieces;Testing;Testingdevices;Woodfibreboards;Woodbasedsheetmaterials
【摘要】:
【中国标准分类号】:B70
【国际标准分类号】:79_060_01
【页数】:5P.;A4
【正文语种】:英语