Designation:D7483−13aStandardTestMethodforDeterminationofDynamicViscosityandDerivedKinematicViscosityofLiquidsbyOscillatingPistonViscometer1ThisstandardisissuedunderthefixeddesignationD7483;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–40to190°C;howevertheprecisionhasbeendeterminedonlyfornewandusedoilsintherangeof34to1150mPa·sat40°C,5.7to131mPa·sat100°C,and46.5to436mm2/sat40°C.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D445TestMethodforKinematicViscosityofTransparentandOpaqueLiquids(andCalculationofDynamicViscos-ity)D2162PracticeforBasicCalibrationofMasterViscometersandViscosityOilStandardsD4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4177PracticeforAutomaticSamplingofPetroleumandPetroleumProductsD5967TestMethodforEvaluationofDieselEngineOilsinT-8DieselEngineD6300PracticeforDeterminationofPrecisionandBiasDataforUseinTestMethodsforPetroleumProductsandLubricantsD6708PracticeforStatisticalAssessmentandImprovem...
