Purpose:TheinstrumentisdesignedandmadeaspertheNationalStandardGB/T4509“TestMethodsforNeedlePenetrationofPetroleumAsphalt”,GB/T269“TestMethodsforConePenetrationofLubricatingGreaseandPetroleumGrease”,andT0604“AsphaltPenetrationTest”intheIndustryStandardJTJ052SpecificationandTestMethodsofBitumenandBituminousMixtureforHighwayEngineering.Itisusedtodeterminepenetrationofasphaltandlubricatinggrease.1.Asphalt:theneedlepenetrationofasphaltisexpressedasthedepththatastandardneedleof100&plu***n;0.05gverticallypenetratesintoasamplewithoutanymeasurablefrictionin5secondsinthec***tanttemperaturebathof25°C&plu***n;0.1°C.Itistoevaluatec***istencyofasphalt.Thelargerthepenetrationis,thelessthec***istencyisandthesoftertheasphaltis.2.Lubricatinggrease:theconepenetrationoflubricatinggreaseorpetroleumgreaseisexpressedasthedepththatastandardconeof150gverticallypenetratesintoasamplewithoutanymeasurablefrictionin5secondsinthec***tanttemperaturebathof25°C&plu***n;0.1°C.Itisusedtoevaluatethehardnessoflubricatinggreaseorpetroleumgrease.Itcanalsobeusedforsolidgranule,powder,colloidandothermaterialstest,aswellascream,glycine,butter,margarinecream,fermentation,andotherfoodinspection.Ithasbeenwidelyusedinfood,highwayc***tructionandotherindustries.Technicalparameters:1.Timingdevice:youcanselect5,8,10,12,30or60s.timingerrorislessthan&plu***n;0.1s.2.Depthmeasurementdevice:Itusesrackstodriverasterfordisplay.Itisconvenient,rapid,andintuitive,anditcanbestartedatanyposition.3.Penetrationaccuracy:&plu***n;1penetration;4.Maximumpenetration:600penetrati***;5.Heatingpower:220W;6.Temperaturecontrollingaccuracy:25&plu***n;0.1°C(theambienttemperatureshouldnotbehigherthan20°C)7.C***tanttemperaturebath:madeofhardenglass;8.Standardneedle:2.5&plu***n;0.05g;asperGB/T4509,andT0604;9.Standardcone:102.5&plu***n;0.05g;asperGB/T269;10.Upanddownholder:itcanbeadjustedasyourrequirements.Itisconvenienttolettheneedlepointsjustcontactsamplesurface)