AutomaticGD-2801INeedlePenetrationTestTheNeedlePenetrationTestisdesignedandmadeaspertheNationalStandardGB/T4509“TestMethodsforNeedlePenetrationofPetroleumAsphalt”,andT0604“AsphaltNeedlePenetrationTest”intheIndustryStandardJTJ052SpecificationandTestMethodsofBitumenandBituminousMixtureforHighwayEngineering.TheAutomaticNeedlePenetrationTestissuitabletodetermineneedlepenetrationofpetroleumasphalt,modifiedasphalt,liquidpetroleumasphalt,andresiduesafterevaporationofemulsifiedasphalt.Technicalcharacteristicsandperformance1.TheAutomaticNeedlePenetrationTestintegratesnewdesignconceptsaboutpenetrometerallovertheworld.Itisadvancedanddelicate.2.TheAutomaticNeedlePenetrationTestcanmakedeterminationforneedlepenetrationandconepenetration.3.Controlledbyacomputer,itcanmakedeterminationforneedlepenetrationandconepenetrationautomatically.Thetestdataareaccurateandreliable.4.Thenewlydesignedupanddownassemblycanbeadjustedfreely.5.Equippedwithautomatictemperaturecontrollingdeviceandmagneticstirrer,sothebathtemperatureisuniformwithhightemperaturecontrollingaccuracy.6.AllparametersareshownontheLCDinrealtime.7.Equippedwithamicro-printer,soitcanprintouttestdata.8.TheAutomaticNeedlePenetrationTesthasacomputercommunicationporttocommunicatewithacomputer.TechnicalparametersofTheNeedlePenetrationTest1.Measurementrange:0~600penetrati***;2.Resolution:0.1penetrati***;3.Timingselection:0~60s;Timingerrorislessthan&plu***n;0.1s;4.Heatingpower:200W;5.Temperaturecontrollingaccuracy:25&plu***n;0.1°C;(Theambienttemperatureshouldnotbehigherthan20°C);6.Datastorage:30groups;7.C***tanttemperaturebath:madeofhardenglass;8.Stirrer:amagneticstirrer;9.Standardneedle:2.5&plu***n;0.05g;asperGB/T4509,andT0604;10.Upanddownholder:itcontainsfineadjustmentandcoarseadjustmentassemblytoletneedletipjustcontactwithsamplesurface;11.Powersupply:AC220V&plu***n;10%,50Hz;12.Memoryfunction:itcans***e30groupsoftestdata;13.Others:Equippedwithlightsourceandamagnifier,soitisconvenienttobeoperated;thethermostaticdeviceinthewaterbathisoptional.)