Purpose:TheinstrumentisdesignedandmadeasperT0625intheIndustryStandardJTJ052SpecificationandTestMethodsforBitumenandBituminousMixturesforHighwayEngineering,andASTMD4402.Itissuitabletodetermineapparentviscosityofhighwayasphaltatatemperaturefrom45°Cto200°CasperBrookfieldViscometerRotationMethods.Itcanalsobeusedtodeterminec***tructiontemperatureforbituminousmixtureasperviscosity-temperaturecurve.Theinstrumentcanalsobeusedtodetermineviscosityofhotmeltadhesive,oilgrease,paraffinandhighpolymer.Itcanbewidelyusedinco***etics,food,pharmaceutical,dopes,chemical,andotherindustries.Technicalparameters1.Measurementrange:25mPa•s~1×10000000mPa•s(IfpurchasetheNo.30spindle,itsmeasurementrangecanbeextendedto2×10000000mPa•s);2.Spindles:fourspindlesofNo.21,27,28and29(No.30spindleisoptional);3.Spindlespeed:0.1~100RPMcontinuouslyadjusted;4.Measurementerror:&plu***n;2%(F•S)(&plu***n;3%(F•S)forNo.30spindle);5.Temperaturecontrollingrange:25°C~200°C;6.Temperaturecontrollingaccuracy:&plu***n;0.1°C;7.Cubageofsamplechamber:20ml;8.Powersupply:AC220V&plu***n;10%,50Hz;9.Ambienttemperature:5°C~35°C(theambienttemperatureshouldbeabout5°Clowerthancontrollingtemperatureofheater);10.Relativehumidity:notmorethan80%.)