日本ASKER加長(zhǎng)型橡膠硬度計(jì)AL日本ASKER加長(zhǎng)型橡膠硬度計(jì)AL基本因素之一是確定不同橡膠、人造橡膠及塑料制品的特性。適合特點(diǎn)的設(shè)計(jì)所有的硬度計(jì)的生產(chǎn)及校準(zhǔn)都是在專業(yè)人員的嚴(yán)格控制下進(jìn)行的，可以保證并符合國(guó)內(nèi)及國(guó)際標(biāo)準(zhǔn).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.