Brookfield DV3T Rheometer Manual do Utilizador descarregar pdf (Página 27)

Brookeld Engineering Labs., Inc. Page 27 Manual No. M13-2100

  Manysamplesmustbecontrolledtoaspecictemperatureforviscositymeasurement.When

conditioningasamplefortemperature,besuretotemperaturecontrolthecontainerandspindle

aswellasthesample.

  Pleaseseeourpublication,“MoreSolutionstoStickyProblems”,formoredetailrelatingto

sample preparation.

III.3 Programming

TheDV3TRheometerprovidesapowerfulprogrammingcapabilityfordatacollection.Theinterface

inCongureViscosityTestallowsforcontrolofallinstrumentparametersincludingSpindle,Speed,

Temperature(optional),EndCondition,DataCollection,Instructions,Reports,Density,andQCLimits

(describedinthenextsectionsofthischapter).Anycollectionoftheseparametersisconsidereda

TestStep.TheDV3Tallowsyoutocreatemultiplestepstobetterevaluateyoursamplematerial.

SeveralparametersareonlyactiveintherststepincludingSpindleandInstructions.

MultiplestepsinaTestcanbeusefultoevaluatetherheologyofasampleortosimplyaidindata

collection.AmultistepTestthathasachangeinspeedineachstepcanshowNewtonianornon

Newtonianowbehavior.ArststepwithNoDatacanbeusefulwhenpreshearingisrequired.A

stepwithNoDatacanbeusefulwhenatemperaturechangeiseffectedandsometimeisrequired

forthermalequilibrium.

TheCongureViscosityTestscreen(seeFigureIII-1)includesseveraltoolsforcreatingTestswith

multiple steps.

Figure III-1

Navigation / Add:

Usethe

toaddanewstepattheendofthe

Test.Usethe

to navigate to previous steps.

Delete: Deletethecurrentstep.

Insert: Insertanewstepafterthecurrentstep.

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Brookfield DV3T Rheometer Manual do Utilizador Página 27