Designation:F2865−13StandardGuideforClassifyingtheDegreesofIngressofDustandWaterintoaMembraneSwitch1ThisstandardisissuedunderthefixeddesignationF2865;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideestablishesaclassificationsystemandrefer-encestestmethodsforverifyingthedegreesof:1.1.1Theingressofdustintotheinternallayersofamembraneswitch.1.1.2Ingressofwaterintotheinternallayersofamembraneswitch.1.1.3Whereexternaltestmethodsarereferenced,thisguidespecifiesthespecialconditionsthatshallbeconsideredinapplyingtheseteststomembraneswitchesandhowtheresultsareinterpreted.1.2Thisguidereferencestestmethodsthatcanbeusedtoestablishtheingressclassificationofamembraneswitch.1.3ThisguideutilizesthetestmethodsandreportingstructureofIEC60529–(DegreesofProtectionProvidedbyEnclosures)modifiedformembraneswitches.2.ReferencedDocuments2.1ASTMStandards:2F1578TestMethodforContactClosureCyclingofaMem-braneSwitchF1595PracticeforViewingConditionsforVisualInspectionofMembraneSwitchesF1680TestMethodforDeterminingCircuitResistanceofaMembraneSwitchF1689TestMethodforDeterminingtheInsulationResis-tanceofaMembraneSwitchF2592TestMethodforMeasuringtheForce-DisplacementofaMembraneSwitch2.2IECStandard:360529DegreesofProtectionProvidedbyEnclosures3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1membraneswitch,n—amomentaryswitchingdeviceinwhichatleastonecontactison,ormadeof,aflexiblesubstrate.4.ClassificationSystem4.1TheingressclassificationofamembraneswitchisdesignatedbytheMSIPcode:4.1.1MSIP65A4.1.1.1MSIP=MembraneSwitchIngressclassification.4.1.1.21stNumeral=DustProtectionCode(seeTable1).4.1.1.32ndNumeral=Water(Liquid)ProtectionCode(seeTable2).4.1.1.4A=If“A”ispresentthenmethodormediadeviatesfromthisguideandisreported.4.1.2TheMSIPcodecomprisesaseriesofnumerals.E...