Designation:D7483−21StandardTestMethodforDeterminationofDynamicViscosityandDerivedKinematicViscosityofLiquidsbyOscillatingPistonViscometer1ThisstandardisissuedunderthefixeddesignationD7483;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthemeasurementofdynamicviscosityandderivationofkinematicviscosityofliquids,suchasnewandin-servicelubricatingoils,bymeansofanoscillatingpistonviscometer.1.2ThistestmethodisapplicabletoNewtonianandnon-Newtonianliquids;howevertheprecisionstatementwasde-velopedusingNewtonianliquids.1.3Therangeofdynamicviscositycoveredbythistestmethodisfrom0.2mPa·sto20000mPa·s(whichisapproxi-matelythekinematicviscosityrangeof0.2mm2/sto22000mm2/sfornewoils)inthetemperaturerangebetween–40°Cto190°C;howevertheprecisionhasbeendeterminedonlyfornewandusedoilsintherangeof34mPa·sto1150mPa·sat40°C,5.7mPa·sto131mPa·sat100°C,and46.5mm2/sto436mm2/sat40°C.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D445TestMethodforKinematicViscosityofTransparentandOpaqueLiquids(andCalculationofDynamicViscos-ity)D2162PracticeforBasicCalibrationofMasterViscometersandViscosityOilStandardsD4057PracticeforManu...
