Purpose:TheinstrumentisdesignedandmadeaspertheNationalStandardGB/T4507“TestMethodsforSofteningPointofPetroleumAsphalt”,andT0606“AsphaltSofteningPointTest(RingandBallMethods)intheIndustryStandardJTJ052SpecificationandTestMethodsofBitumenandBituminousMixtureforHighwayEngineering.Itissuitabletodeterminesofteningpointofpetroleumasphalt,coalpitch,liquidpetroleumasphalt,andotherasphalts.Itisthedesiredproductsforasphaltmanufacturingcompanies,highwayandbridgec***tructioncompanies,collegesanduniversities,andscientificresearchinstitutes.Computercontrol;linearityheating;automaticstirring.Thetestdataisaccurateandreliable.Itcanshowtestdataautomaticallyafteratest.ItisinaccordwiththeNationalStandardGB/T4507.Technicalparameters1.Powersupply:220V&plu***n;10%,50Hz;2.Ambientcondition:roomtemperatureshouldbelessthan35°C,andkeepstablewithoutanyairconvection.3.Measurementrange:+32~150°C,&plu***n;1.0°C4.Stirrer:thestirringspeedcanbecontinuouslyadjusted.5.Heatingpower:800W;6.Heatingmedium:glycerin;7.Cubageofbeaker:1000ml;8.Relativehumidity:≤85%;9.Totalpowerc***umption:notmorethan850W;)