EN 60068-2-31 Environmental testing

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1、BRITISHSTANDARDBSEN60068-2-31:1993IEC68-2-31:1969incorporatingAmendmentEnvironmentalNos.1:1982and2testing—Part2.1Tests—TestEc:Dropandtopple,primarilyforequipment-typespecimensThisPartshouldbereadinconjunctionwithPart1.1GeneralandguidanceTheEuropeanStandardEN600

2、68-2-31:1993hasthestatusofaBritishStandardUDC621.3:620.193:620.178.1BSEN60068-2-31:1993ThisBritishStandard,havingbeenpreparedunderthedirectionoftheGeneralElectrotechnicalEngineeringAmendmentsissuedsincepublicationStandardsCommittee,waspublishedundertheauthority

3、oftheExecutiveBoardonAmd.No.DateofissueComments31August19774367September©BSI02-19991983ThefollowingBSIreferences7921SeptemberIndicatedbyasidelineinthemarginrelatetotheworkonthis1993standard:CommitteereferenceGEL/15Draftforapproval76/26292ISBN0580099725BSEN60068

4、-2-31:1993ContentsPageNationalforewordiiForeword2TextofEN60068-2-313©BSI02-1999iBSEN60068-2-31:1993NationalforewordThisBritishStandardhasbeenpreparedunderthedirectionoftheGeneralElectrotechnicalEngineeringStandardsCommittee.ItisidenticalwithIECPublication68-2-3

5、1:1969“Basicenvironmentaltestingprocedures.Part2:Tests—TestEc:Dropandtopple,primarilyforequipment-typespecimens”includingAmendmentNo.1publishedin1982.In1993theEuropeanCommitteeforElectrotechnicalStandardization(CENELEC)acceptedIEC68-2-31:1969togetherwithAmendme

6、nt1:1982asEuropeanStandardEN60068-2-31:1993.AsaconsequenceofimplementingtheEuropeanStandardthisBritishStandardisrenumberedasBSEN60068-2-31andanyreferencetoBS2011-2.1EcshouldbereadasareferencetoBSEN60068-2-31.Terminology.ThetextoftheIECPublicationhasbeenaccepted

7、assuitableforpublication,withoutdeviation,asaBritishStandard.Certainterminologyisused,however,thatisnotidenticalwiththatusedinBritishStandards.Attentionisthereforedrawntothefollowing.Wheretheword“Recommendation”,relatingtothispublication,appears,itshouldbeinter

8、pretedas“BritishStandard”.WherethepagenumberisquotedinconnectionwiththereferencetoFigure1toFigure3,itistheIECamendmentpagenumber.Cross-referencesInternationalstandardaCorres