MIL-S-50827A (MU) (AMENDMENT 1), MILITARY SPECIFICATION SOFT SOLDERED ELECTRICAL CONNECTIONS FOR CONVENTIONAL WEAPONS ITEMS INCLUDING OTHER RELATED ELECTRONIC DEVICES (18 APR 1977) [S/S BY MIL-STD-2000].【英文标准名称】:Environmentaltesting-Tests-TestA.Cold
【原文标准名称】:环境测试.试验.试验A.低温
【标准号】:BSEN60068-2-1-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-05-31
【实施或试行日期】:2007-05-31
【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】:气候;气候试验;冷式法;低温;元部件;定义;锐度;电气器具;电气工程;电气设备;电驱动装置;电学;电工产品;环境测试;规范;温度试验;试验组;测试
【英文主题词】:Climate;Climatictests;Coldtests;Coldness;Components;Definition;Definitions;Degreeofsharpness;Electricappliances;Electricalengineering;Electricalequipment;Electrically-operateddevices;Electricity;Electrotechnicalproducts;Environmentaltesting;Specification;Temperaturetest;Testgroup;Testing
【摘要】:ThispartofIEC60068dealswithcoldtestsapplicabletobothnonheat-dissipatingandheatdissipatingspecimens.Fornonheat-dissipatingspecimens,TestsAbandAddonotdeviateessentiallyfromearlierissues.TestAehasbeenaddedprimarilyfortestingequipmentthatrequiresbeingoperationalthroughoutthetest,includingtheconditioningperiods.Theobjectofthecoldtestislimitedtothedeterminationoftheabilityofcomponents,equipmentorotherarticlestobeused,transportedorstoredatlowtemperature.Coldtestscoverbythisstandarddonotenabletheabilityofspecimenstowithstandoroperateduringthetemperaturevariationstobeassessed.Inthiscase,itwouldbenecessarytouseIEC60068-2-14.Thecoldtestsaresubdividedasfollows:?Coldtestsfornonheat-dissipatingspecimens?withgradualchangeoftemperature,Ab;?Coldtestforheat-dissipatingspecimens?withgradualchangeoftemperature,Ad,?withgradualchangeoftemperature,specimenpoweredthroughout,Ae.Theproceduresgiveninthisstandardarenormallyintendedforspecimensthatachievetemperaturestabilityduringtheperformanceofthetestprocedure.Temperaturechamber(s)areconstructedandverifiedinaccordancewithspecificationsIEC60068-3-5andIEC60068-3-7.FurtherguidancefordryheatandcoldtestscanbefoundinIEC60068-3-1andgeneralguidanceinIEC60068-1.
【中国标准分类号】:K04;A21
【国际标准分类号】:19_040
【页数】:18P.;A4
【正文语种】:英语