Designation:D1169−19aStandardTestMethodforSpecificResistance(Resistivity)ofElectricalInsulatingLiquids1ThisstandardisissuedunderthefixeddesignationD1169;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofspecificresistance(resistivity)appliedtonewelectricalinsulatingliquids,aswellastoliquidsinservice,orsubsequenttoservice,incables,transformers,circuitbreakers,andotherelectricalapparatus.1.2Thistestmethodcoversaprocedureformakingrefereetestswithdcpotential.1.3Whenitisdesiredtomakeroutinedeterminationsrequiringlessaccuracy,certainmodificationstothistestmethodarepermittedasdescribedinSections19–26.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.See17.4.3foraspecificwarningstatement.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D150TestMethodsforACLossCharacteristicsandPermit-tivity(DielectricConstant)ofSolidElectricalInsulationD257TestMethodsforDCResistanceorConductanceofInsulatingMaterialsD923PracticesforSamplingElectricalInsulatingLiquidsD924TestMethodforDissipationFactor(orPowerFactor)andRelativePermittivity(DielectricConstant)ofElectri-calInsulatingLiquidsD2864...
