Brookfield DV2T Viscometer Instrukcja Użytkownika Pobierz pdf (Strona 5)

Brookeld Engineering Labs., Inc. Page 5 Manual No. M13-167-B0614

I. INTRODUCTION

TheBrookeldDV-IIViscometerserieshasbeentheleadingindustrialviscometersinceit

wasrstintroducedin1985.BrookeldhascontinuedtodevelopandimprovetheDV-IIto

providethebestvalueinthemarketforbothqualitycontrolandresearchcustomers.The

BrookeldDV2TViscometercontinuesinthistraditionofinnovation,qualityandvalue.The

incorporationofafullcolorgraphicaltouchscreendisplayhasallowedforanewandimproved

userinterfacewhichpreservesthesinglespeeddatacollectionmethodswhilemakingallof

theadvancedfeaturesoftheDV2Treadilyavailable.

TheBrookeldDV2TViscometermeasuresuidviscosityatgivenshearrates.Viscosityis

ameasureofauid’sresistancetoow.Youwillndadetaileddescriptionofthescienceof

viscosityintheBrookeldpublication“More Solutions to Sticky Problems”,acopyofwhich

wasincludedwithyourDV2T.

ThismanualcoverstheDV2TViscometerandtheDV2TExtraViscometer.TheDV2TExtrais

aspecialpackagethatincludesseveraloptionalfeaturestomaximizetheutilityoftheDV2T.

TheDV2TExtraincludes:BallBearingSuspension(notincludedinLVversions),EZ-Lock

spindleconnection,ModelQLabStand,andRheocalcTSoftware.Thesedifferencesare

detailedintheComponentssectionofthemanual.Allreferencestotheviscometerinthis

manualwillbemadeasDV2T.AlloftheoptionalfeaturesoftheDV2TExtramaybeadded

individuallytotheDV2TViscometer.

• TheDV2Toffersexceptionalversatilityinmodesofcontrol,allowingchoiceoftraditional

standalone operation and automatic operation through programs downloaded from

thePCorwithcompletecontrolbyPCusingBrookeldRheocalcTSoftware.

• TheDV2TcanbeusedasatraditionalBrookeldviscometerforcollectionofsingle

speedviscositydatathroughtheeasytousetouchscreen;justselectthespindleand

speedandreadthevaluefromthedisplay. [See Section II: Getting Started]

• TheBrookeldPGFlashSoftwarecanbeusedtoprogramtheDV2Ttocontrolall

aspectsofthetestanddatacollectionwithouttheneedfortheoperatortomonitor

the instrument; just startthe program and return to the printedtest data (printer is

optional).[See Section V: PG Flash Software]

• TheBrookeldRheocalcTSoftwarewillperformallcontrolanddatacollectionfunctions

oftheDV2TfromthePCwhilealsoprovidingaplatformforadvanceddatacollection

and analysis.

Inanyofthesemodesofcontrol,theDV2Twillprovidethebestinviscositymeasurement

and control.

TheprincipalofoperationoftheDV2Tistodriveaspindle(whichisimmersedinthetestuid)

throughacalibratedspring.Theviscousdragoftheuidagainstthespindleismeasuredbythe

springdeection.Springdeectionismeasuredwitharotarytransducer.Themeasurement

rangeofaDV2T(incentipoiseormilliPascal•seconds)isdeterminedbytherotationalspeed

ofthespindle,thesizeandshapeofthespindle,thecontainerthespindleisrotatingin,and

thefullscaletorqueofthecalibratedspring.

TherearefourbasicspringtorqueseriesofferedbyBrookeld:

Spring Torque

Model dyne•cm milliNewton•m

DV2TLV 673.7 0.0673

DV2TRV 7,187.0 0.7187

DV2THA 14,374.0 1.4374

DV2THB 57,496.0 5.7496

Thehigherthetorque calibration,thehigherthe measurement range.The measurement

rangeforeachtorquecalibrationmaybefoundinAppendixB.

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Sachin Vaijanath Ashture 05 Mar 2025 | 15:48:33

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Brookfield DV2T Viscometer Instrukcja Użytkownika Strona 5

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