ASTM D7483-2008 用摆动活塞粘度计测定液体动力粘度和衍生运动粘度的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminationofDynamicViscosityandDerivedKinematicViscosityofLiquidsbyOscillatingPistonViscometer
【原文标准名称】:用摆动活塞粘度计测定液体动力粘度和衍生运动粘度的标准试验方法
【标准号】:ASTMD7483-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dynamicviscosity;kinematicviscosity;oscillatingpiston;oscillatingpistonviscometer;viscosity
【摘要】:Manypetroleumproducts,aswellasnon-petroleummaterials,areusedaslubricantsforbearings,gears,compressorcylinders,hydraulicequipment,etc.Properoperationofthisequipmentdependsupontheviscosityoftheseliquids.Oscillatingpistonviscometersallowviscositymeasurementofabroadrangeofmaterialsincludingtransparent,translucentandopaqueliquids.ThemeasurementprincipleandstainlesssteelconstructionmakestheOscillatingPistonViscometerresistanttodamageandsuitableforportableoperations.Themeasurementitselfisautomaticanddoesnotrequireanoperatortotimetheoscillationofthepiston.Theelectromagneticallydrivenpistonmixesthesamplewhileundertest.Theinstrumentrequiresasamplevolumeoflessthan5mLandtypicalsolventvolumeoflessthan10mLwhichminimizescleanupeffortandwaste.1.1Thistestmethodcoversthemeasurementofdynamicviscosityandderivationofkinematicviscosityofliquids,suchasnewandin-servicelubricatingoils,bymeansofanoscillatingpistonviscometer.1.2ThistestmethodisapplicabletoNewtonianandnon-Newtonianliquids;howevertheprecisionstatementwasdevelopedusingNewtonianliquids.1.3Therangeofdynamicviscositycoveredbythistestmethodisfrom0.2mPax00B7;sto20000mPax00B7;s(whichisapproximatelythekinematicviscosityrangeof0.2mm2/sto22000mm2/sfornewoils)inthetemperaturerangebetweenx2013;40to190x00B0;C;howevertheprecisionhasbeendeterminedonlyfornewandusedoilsintherangeof1.434mPax00B7;sto154.4mPax00B7;sattemperaturesof40and100x00B0;C(asstatedintheprecisionsection).1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N51
【国际标准分类号】:17_060
【页数】:5P.;A4
【正文语种】:英语