日本ASKER加长型橡胶硬度计AL日本ASKER加长型橡胶硬度计AL基本因素之一是确定不同橡胶、人造橡胶及塑料制品的特性。适合特点的设计所有的硬度计的生产及校准都是在专业人员的严格控制下进行的，可以保证并符合国内及国际标准.IndentorHeight:2.50mmShape:FlatConePointHardnessTesterSelectionChartOurproductlineconsistsofvarioustypesofdurometersapplicabletospecificmaterialsasindicatedinthechartabove.TypeADurometer(ASKERAtype),conformingtoJISK6235isthemostpopulartypeofdurometerformeasuringrubberhardness.However,verificationisrecommendedbecauseasignificantdifferenceisestimatedtobethelargestwhenadurometerindicatesmeasurementvaluesfrom10to90points.ForhardspecimensforwhichTypeADurometerreadingsindicatemorethan90points,measurementsshouldbeundertakenusingtheTypeDDurometer(ASKERDtype).However,forsoftspecimenswithmeasurementsoflessthan20points,theASKERCtypeorTypeEDurometer(ASKEREtype)shouldbeused.Themostimportantconsiderationinusingdurometersistoselectthecorrecttypeforpurposesofmeasurementaccordingtothespecimen.SpecificationStandardsJISK6253JISK7215ASTMD2240ISO7619ISO868DIN53505Indicationrange0point-100point(262degreedialscale)Minimumindication1point(Accuracy: 1point)IndentorDesign(mm)Height:2.5035 AngleFlatConePoint0.79Dia.SpringForces[mN(g)]0point:550(56)100point:8050(821)CentralholeofdiameterofPressurefoot 3PressurefootDimension(mm) 12LongerfoottypeLength:18OuterDimension(mm)Approx.Width57 Depth30 Height94Weight(g)200Applicationgeneralrubber,softplasticOuterDimension(mm)Acustomdesignedpressurefootdurometerisavailableaccordingtospecimenconditions.OptionTwo-pointertype(max-handandactivehand)ofRubberHardnessTesterThestationarysethand(max-hand)makesthemaximumvalueeasiertoreadandallowsthecreepcharacteristicsofaspecimen.Accuratemeasurementismadepossibleforspecimens*forwhichstressrelaxationoccursovertimeorforspecimensforwhichitisdifficulttotakereadingsfromthefront.*Materialsforwhichthereadingdecreasesimmediatelyaftertheindentorhasbeenpressedagainstthesurface.ConstantLoaderforDurometer Constantloarderassuresuniformtestpressureeliminatingfalsereadingsduetodifferencesbetweenoperatorsinmeasuringbyhand. Highaccuracyandrepeatabilityofthehardnessreadingsareassuredbytheflexiblejointfunction.IndentorExtensionTester Thegaugetochecktheindentorheightonadurometerandthereadingindicatormechanism. Inspectionisconductedat2,50,and100pointsrespectively.LoadTesterforHardnessTester Testertocheckloadpropertiesofthespringonadurometer Inspectionisconductedat2,50,and75pointsrespectively.