Brookfield DV2T User manual

SPECIALISTS IN THE
MEASUREMENT AND
CONTROL OF VISCOSITY
TEL [phone]
FAX [phone]
or 800-628-8139 (USA excluding MA)
INTERNET http://www .brookfieldengineering.com
BROOKFIELD ENGINEERING LABORATORIES, INC.
11 Commerce Boulevard, Middleboro, MA 02346 USA
with offices in
:Boston • Chicago • London • Stuttgart • Guangzhou
BROOKFIELD DV2T
Viscometer
Operating Instructions
Manual No. M13-167

Brookeld Engineering Labs., Inc. Page 3 Manual No. M13-167
Table of Contents
I. INTRODUCTION .................................................................................................. 5
I.1 Components...............................................................................................................................6
I.2 Utilities ......................................................................................................................................8
 I.3Specications.............................................................................................................................8
I.4 Installation .................................................................................................................................9
I.5 Safety Symbols and Precautions..............................................................................................11
I.6 Key Functions..........................................................................................................................11
I.7 Cleaning...................................................................................................................................12
II. GETTING STARTED ....................................................................................... 13
II.1 Power Up................................................................................................................................13
II.2 AutoZero.................................................................................................................................13
II.3 Status Bar ...............................................................................................................................14
II.4 Navigation ..............................................................................................................................15
II.5 Home Screen ..........................................................................................................................16
 II.5.1CongureViscosityTest............................................................................................16
 II.5.2LoadTest ...................................................................................................................18
 II.5.3ViewResults.............................................................................................................19
II.5.4 Manage Files .............................................................................................................19
II.5.5 External Mode...........................................................................................................19
 II.6Range......................................................................................................................................19
 II.7OutofRange ..........................................................................................................................20
II.8 Printing...................................................................................................................................21
III. MAKING VISCOSITY MEASUREMENTS................................................. 23
III.1 Quick Start ............................................................................................................................23
III.2 Preparations for Making Measurements ...............................................................................23
III.3 Selecting a Spindle/Speed.....................................................................................................24
III.4 Multiple Data Points .............................................................................................................25
III.5 Selecting Data Collection .....................................................................................................25
III.6 End Condition .......................................................................................................................28
 III.7AdditionalTestParameters ...................................................................................................29
 III.8RunningaTest ......................................................................................................................32
 III.9Results...................................................................................................................................34
III.10 Data Averaging....................................................................................................................36
IV. SETTINGS......................................................................................................... 40
IV.1DeviceSetup .........................................................................................................................40
 IV.2UserSettings .........................................................................................................................43
 IV.3GlobalSettings ......................................................................................................................45
 IV.4AdminFunctions ...................................................................................................................50
 IV.4.1LogInandLogOut................................................................................................50
 IV.4.2UsersandAccess....................................................................................................51

 IV.4.3SetTimeandDate ..................................................................................................53
 IV.4.4BackupandImport.................................................................................................53
 IV.4.5DefaultPath............................................................................................................54
 IV.4.6SettingsReset .........................................................................................................54
 IV.4.7DeviceReset...........................................................................................................54
 IV.4.8CalibrationReminder .............................................................................................55
 IV.4.9SaveAuditTrail......................................................................................................56
V. PG FLASH SOFTWARE................................................................................... 57
Appendix A: Cone/PlateViscometerSetup..................................................................... 59
Appendix B: ViscosityRanges ..................................................................................... 63
Appendix C: VariablesinViscosityMeasurement ........................................................... 67
Appendix D: Spindle and Model Codes ......................................................................... 69
Appendix E: Calibration Procedures ............................................................................. 72
Appendix F: TheBrookeldGuardleg........................................................................... 79
Appendix G: Speed Selection ...................................................................................... 81
Appendix H: Laboratory Stand..................................................................................... 82
Appendix I: DVE-50AProbeClip ................................................................................ 85
Appendix J: FaultDiagnosisandTroubleshooting........................................................... 86
Appendix K: Instrument Dimensions ............................................................................ 88
Appendix L: OnlineHelpandAdditionalResources ........................................................ 89
Appendix M: WarrantyRepairandService .................................................................... 90
ViscosityTestReport .................................................................................... Tearoutpage

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

Brookeld Engineering Labs., Inc. Page 6 Manual No. M13-167
All units of measurement are displayed according to either the CGS system or the SI system.
 1. Viscosityappearsinunitsofcentipoise(cP),Poise(P),milliPascal-seconds(mPa•s)orPascal-
seconds(Pa•s)ontheDV2TViscometerdisplayorcentistokes(cSt)ormillimetersquared
per second (mm2/sec).
 2. ShearStressappearsinunitsofdynes/squarecentimeter(D/cm2)orNewtons/square
meter (N/m2)/orPascals(Pa).
 3. ShearRateappearsinunitsofreciprocalseconds(1/sec).
 4. Torqueappearsinunitsofdyne-centimetersorNewton-meters(shownaspercent“%”in
bothcases)ontheDV2TViscometerdisplay.
5. Density appears in units of grams/cubic centimeter (g/cm3)orkilograms/cubicmeter
(kg/m3).
Note:TochangeCGStoSIunitsonthedisplay-seeSectionIV.3:GlobalSettings.
TheequivalentunitsofmeasurementintheSIsystemarecalculatedusingthefollowingconversions:
SI CGS
Viscosity: 1mPa•s = 1cP
ShearStress: 1Newton/m2 = 10dyne/cm2
Torque: 1Newton•m = 107dyne•cm
ReferencestoviscositythroughoutthismanualaredoneinCGSunits.TheDV2TViscometerprovides
equivalentinformationinSIunits.
I.1 Components
Pleasechecktobesurethatyouhavereceivedallcomponents,andthatthereisnodamage.If
youaremissinganyparts,pleasenotifyBrookeldEngineeringoryourlocalBrookeldagent
immediately.Anyshippingdamagemustbereportedtothecarrier.
Components Part Number Quantity
DV2T DV2T Extra
DV2TViscometer varies 1 1
ModelGLaboratoryStand
Model Q Laboratory Stand MODELG MODEL Q 1 øø 1
SpindleSetwithCase
DV2TLVsetoffourspindles
DV2TRVsetofsixspindles(#2-#7)
DV2THA/HBsetofsixspindles(#2-#7)
varies
SSL
SSR
SSH
1
or
or
1
For Cone/Plate versions: a spindle wrench (SP-23), one cone spindle (CPA-XXZ), a sample
cup (CPA-44YZ) replace the spindle set.
Power Cord
DVP-65for115
DVP-66for230 DVP-65 DVP-66
1or 1
RTDTemperatureProbe DVP-94Y 1 1
GuardLeg
DV2TLV
DV2TRV B-20Y B-21Y
1or 1
Carrying Case
PGFlashSoftware
RheocalcTSoftware
USBFlashDrive
ScreenClothw/case
Stylus
Operating Manual
ShippingCap
DVE-7Y
CD-PROGA
GV-3003
GV-1044
GV-1045
GV-1043
M13-167
N/A
1
1
ø
1
1
1
1
1
1
1
1
1
1
1
1
1

Brookeld Engineering Labs., Inc. Page 7 Manual No. M13-167
COMPONENT DIAGRAM
Cone/Plate Option Temperature Probe
Spindle Set
Cone Spindle
Wrench
Sample Cup
Temperature Probe Clip
Temperature Probe
Toggle Switch for
Electronic Gap
Tension Bar
Shipping
Cap
Guard Leg
DV2T
Viscometer
Model G
Laboratory Stand
LV Spindle Set
shown above
Bubble
Level
Leveling Screw
Figure I-1

Brookeld Engineering Labs., Inc. Page 8 Manual No. M13-167
I.2 Utilities
InputVoltage: 115VACor230VAC
InputFrequency: 50/60Hz
PowerConsumption: 150VA
Power Cord Color Code:
United States Outside United States
Hot(live) Black Brown
Neutral White Blue
Ground(earth) Green Green/Yellow
Mainsupplyvoltageuctuationsarenottoexceed±10%ofthenominalsupply
voltage.
 I.3 Specications
Speeds: 0.1 - 200 RPM
Weight: GrossWeight 23 lbs. 10.5kg.
 NetWeight 20 lbs. 9kg.
 CartonVolume 1.65 cu.ft. 0.05m3
 CartonDimensions22in.(56cm)Wx11in.(28cm)Lx22in.(56cm)H
Temperature Sensing Range: -100˚Cto300˚C(-148˚Fto572˚F)
USB A Port for use with an attached PC.
USB B Port (x3) for use with a USB Flash Drive.
Viscosity Accuracy: ±1.0%offullscalerange
 Theuseofaccessoryitemswillhaveaneffectonthe 
measurement accuracy. See Appendix B.
Viscosity Repeatability: ±0.2%ofFullScaleRange
Temperature Accuracy: ±1°C|-100°Cto+149°C
 ±2°C|+150°Cto+300°C
Operating Environment: 0°Cto40°Ctemperaturerange(32°Fto104°F)
 20%-80%R.H.:non-condensingatmosphere
Ball Bearing Option:
Ifyouorderedtheballbearingsuspensionsystemwithyournewinstrumentpleasenote
thefollowing:
1) TheballbearingsuspensioninyourBrookeldinstrumentisnotedontheserialtagon
thebackoftheheadbytheletter“B”inthepartnumber(theninthdigit;forexample:
XDV2THBTB00U00).
2) Whenattachinganddetachingthespindle,itisnotnecessarytoliftthecouplingwhere
thespindleconnectstotheinstrument.
3) TheOscillationCheckexplainedinSectionIV.1:DeviceSetup,doesnotpertainto
thisinstrument.

Brookeld Engineering Labs., Inc. Page 9 Manual No. M13-167
ElectricalCertications:
Conforms to CE Standards:
BSEN61326: Electricalequipmentformeasurement,controlandlaboratoryuse-EMC
requirements
BSEN61010-1: Safetyrequirementsforelectricalequipment,formeasurement,control
and laboratory use
Notice to customers:
Thissymbolindicatesthatthisproductistoberecycledatanappropriatecollectioncenter.
Users within the European Union:
Pleasecontactyourdealerorthelocalauthoritiesinchargeofwastemanagementonhowtodispose
ofthisproductproperly.AllBrookeldofcesandournetworkofrepresentativesanddealerscan
befoundonourwebsite:www.brookeldengineering.com
Users outside of the European Union:
Pleasedisposeofthisproductaccordingtoyourlocallaws.
I.4 Installation
Note:“IQ, OQ, PQ”, an abbreviated guideline document for installation, operation and
performancevalidationforyourDV2Tdigitalviscometercanbedownloadedfrom
ourwebsitewww.brookeldengineering.com.AmoredetailedIQ,OQ,PQprocedure
isavailableforpurchasefromBrookeldoryourauthorizeddealer.
 1) AssembletheModelGLaboratoryStand(refertoassemblyinstructionsinAppendixH).
2) Puttheviscometeronthestand.
 3) ConnecttheRTDprobetothesocketontherearpaneloftheDV2T.
 4) TheViscometermustbeleveled.Thelevelisadjustedusingthetwolevelingscrewsonthe
base.AdjustsothatthebubblelevelonthefrontoftheDV2T iscenteredwithinthecircle.
Note: Checklevelperiodicallyduringuse.
 5) RemovetheshippingcapwhichsecuresthecouplingnutontheViscometertothepivot
cup.ForCone/PlateModels,holdtheSampleCupandswingthetensionbaraway
fromthebottomofthecup.Lowerthecupandremovethefoaminsert.(Saveforfuture
shipments.)
 6) MakesurethattheACpowerswitchattherearoftheDV2TisintheOFFposition.
Connectthepowercordtothesocketonthebackpaneloftheinstrumentandplugitinto
theappropriateACline.ForCone/PlateModels,besurethatthetoggleswitch,usedto
activatetheelectronicgap,istotheleftposition.(Leftwhenfacingtheviscometer.)
TheACinputvoltageandfrequencymustbewithintheappropriaterangeasshownon
thenameplateoftheviscometer(seeSectionI.2).

Brookeld Engineering Labs., Inc. Page 10 Manual No. M13-167
Note: TheDV2Tmustbeearthgroundedtoensureagainstelectronicfailure!!
 7) TurnthepowerswitchtotheONpositionandallowtheviscometertowarmupfor10
minutesbeforeperformingautozero.
 8) ForCone/Platemodels,refertoAppendixA.
 9) Ifappropriate,connectUSBcable(DVP-202)toUSBportforconnectionofDV2Tto
PC or printer.
 10)ReviewReadMele.TheReadMelecontainsnotesontheDV2TFirmware.Thisle
canbefoundontheCDthatcontainsthePGFlashSoftware.
Temperature
Probe
USB B
USB A
On/Off
Switch
Power Input
Figure I-2

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I.5 Safety Symbols and Precautions
Safety Symbols
Thefollowingexplainssafetysymbolswhichmaybefoundinthisoperatingmanual.
Indicateshazardousvoltagesmaybepresent.
Refertothemanualforspecicwarningorcautioninformationtoavoidpersonal
injuryordamagetotheinstrument.
Precautions
Ifthisinstrumentisusedinamannernotspeciedbythemanufacturer,theprotection
providedbytheinstrumentmaybeimpaired.
Thisinstrumentisnotintendedforuseinapotentiallyhazardousenvironment.
Incaseofemergency,turnofftheinstrumentandthendisconnecttheelectricalcord
fromthewalloutlet.
Theusershouldensurethatthesubstancesplacedundertestdonotreleasepoisonous,
toxicorammablegasesatthetemperatureswhichtheyaresubjectedtoduringthe
testing.
I.6 Key Functions
TheDV2TViscometerutilizesatouchscreendisplayandinterface.Theuserwillprovideallinput
totheviscometerthroughthetouchscreen.FigureI-3detailsthedifferenttypesofinformation
and actions available.
More/Less Bar
Command Keys
Status Bar
Title Bar
Data Fields
Test Name
Figure I-3

Brookeld Engineering Labs., Inc. Page 12 Manual No. M13-167
Status Bar: TheStatusBarprovidesinformationrelatingtothedateandtime(ascongured
bytheuser)andvariousconnectionstotheDV2TViscometer.
Test Name: TheTestNameidentiesthenameofthecurrentlyloadedtest.
Title Bar: TheTitleBaridentiestheactivitytobeconductedinthecurrentviewand
includesanynavigationiconsthatarerelevant.
Data Fields: TheDataFieldsincludemeasurementresultsandtestparameters.
More/Less Bar: TheMore/LessBarinformstheuserwhenmoreDataFieldsareavailableand
whenthenumberofDataFieldscanbereduced.
Command Keys: TheCommandKeysindicateactionthatcanbetaken.Thesekeyswillvary
fromviewtoviewdependingonwhatactionsarerelevant.
I.7 Cleaning
Makesurethattheinstrumentisinaclean,dryworkingenvironment(dust-free,moderate
temperature,lowhumidity,etc.).
Makesuretheinstrumentisonalevelsurface.
Hands/ngersmustbecleanandfreeofsampleresidue.Notdoingsomayresultindeposit
buildupontheupperpartoftheshaftandcauseinterferencebetweentheshaftandthepivot
cup.
Besuretoremovethespindlefromtheinstrumentpriortocleaning.Noteleft-handedthread.
Severeinstrumentdamagemayresultifthespindleiscleanedinplace.
InstrumentandDisplay: Clean with a dry, non-abrasive cloth.  Do not use solvents
or cleaners.  The instrument housing is manufacturedfrom
polycarbonateABS.Cleaninstrumenthousingwithmildsoap
and water. Do not apply solvent to the instrument!
ImmersedComponents(spindles): Spindlesaremadeofstainlesssteel.Cleanwithanon-
abrasiveclothandsolventappropriateforsamplematerial.
Whencleaning,donotapplyexcessiveforce,whichmayresultinbendingspindles.

Brookeld Engineering Labs., Inc. Page 13 Manual No. M13-167
II. GETTING STARTED
II.1 Power Up
TheDV2TwillgothroughaPowerUpsequencewhenthepoweristurnedon.TheViscometer
willissueabeep,presentabluescreen,andnallyshowtheDV2TAboutscreenfor5seconds.
TheAboutscreenisshownbelowandincludesseveralcriticalparametersabouttheviscometer
including;viscometertorque(LV,RV,HA,HB,orother),rmwareversionnumber,modelnumber
(DV2TLVforexample)andtheserialnumber.
Figure II-1
TheAboutscreencanalsobeaccessedthroughtheSettingsMenu (seeSectionIV.1).
TheDV2TViscometerwillautomaticallytransitionfromtheAboutscreentotheAutoZeroscreen.
TIP:WhencontactingBrookeldoryourauthorizedBrookelddealerfortechnicalsupportor
repairservices,pleaserecordtheinformationontheAboutscreenandincludethisdetail
in your email.
II.2 AutoZero
TheDV2TViscometermustperformanAutoZeropriortomakingviscositymeasurements.This
processsetsthezeroreadingforthemeasurementsystem.TheAutoZerowillbeperformedevery
timetheinstrumentisturnedon.Additionally,youmayperformanAutoZeroatanytimethrough
theSettingsMenu (seeSectionIV.1).
TheAutoZeroscreenwillbepresentedautomatically,aftertheAboutscreen,duringapowerup.

Brookeld Engineering Labs., Inc. Page 14 Manual No. M13-167
Figure II-2
Theoperatormustensurethattheviscometerislevel(seeSectionI.4)andremoveanyattached
spindleorcoupling.WhentheNextbuttonispressed,theviscometerwilloperateforapproximately
13seconds.AftertheAutoZeroiscompleteandtheoperatorpressestheNextbutton,theviscometer
willtransitiontotheCongureViscosityTestscreen.IftheAutoZerowasperformedfromthe
SettingsMenu,thentheviscometerwillreturntotheSettingsMenu.
TIP:DonottouchtheviscometerduringtheAutoZeroprocesstoensurethebestzerovalue.
II.3 Status Bar
TheDV2TViscometerwilldisplayastatusbaratthetopofthescreenatalltimes.
Thisstatusbarwillindicate:timeofday,date,andconnectionstatusforavarietyofconnection
devices.Thestatusiconsaredenedas:
USBIcon1,2,3: TheDV2TViscometercanstoredataandteststo
USBstoragedevice(USBB)suchasaUSBFlash
Drive.  There are three USB ports. These ports
arerepresentedas1,2and3basedontheorderof
connection.
Printer Icon: TheDV2TViscometercancommunicatetoalabel
printerforprintingtestresults(seeSectionII.8).
Computer Icon: The DV2T Viscometer can communicate with a
computerthroughtheUSBAport.Communication
issupportedwithBrookeldRheocalcTsoftware.

Brookeld Engineering Labs., Inc. Page 15 Manual No. M13-167
II.4 Navigation
  TheDV2TViscometerusesatouchscreendisplay.Navigationoftheinstrumentfeaturesisdone
usingavarietyofDataFields,Arrows,CommandKeysandNavigationIcons.Theoperating
systemhasbeendesignedforintuitiveoperationandemployscolortoassisttheuserinidentifying
options.
DataFieldsrequirethattheusertouchthescreen
toinitiatethedataentry/selectionprocess.These
eldsare normallyoutlined inblack. Theymay
also include a blue arrow.
BlueArrowsindicatethatoptionsexistforaData
Field.Theusermayberequiredtopressanywhere
intheDataFieldortheymayhavetopresstheBlue
Arrowspecically.
CommandKeysarebuttonswhichdirecttheDV2T
toperformaspecicactionsuchasSAVEadataset
orSTOPaprogram.CommandKeysarepresented
inavarietyofcolors.Thesekeysarenormallyfound
atthebottomofthescreen.
NavigationIconsarenormallyfoundintheTitleBar
totheleftandright.Thesebuttonswilltakeyouto
specicareasoftheoperatingsystem.
NavigationIconsareshownbelow.
Home Menu Perform data entry from a scroll
list
Log In (will only be available if
theadministratorhasactivateduser
login)
Sortlesaccordingtocreatedate
Settings Menu
Sortlesaccordingtoalphabet
Service Menu (only available for
authorized Brookfield service
centers)
Choosefromadditionaloptions
LockOut(duringatest)
Back(returntopreviousscreen)
RemoveLock(duringatest)
Up (return to previous level in
thelestructure)
Perform data entry using a number
pad

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II.5 Home Screen
TheDV2THomescreencanbeaccessedbyusingtheHomeIcon .TheHomescreenshows
theMainMenufunctionsandprovidesaccesstoUserLogInandSettings(seeSectionII.4).
Figure II-3
Congure Viscosity Test:CreateandRunviscositytests.
Load Test:LoadatestthathaspreviouslybeensavedorcreatedwithPGFlashsoftware.Tests
maybeloadedfrominternalmemoryoraUSBFlashDrive.
View Results:LoadResults(savedtestdata)thathavepreviouslybeensaved.Resultsmaybe
loadedfrominternalmemoryoraUSBFlashDrive.
Manage Files: ManagethelesystemintheinternalmemoryoronaUSBFlashDrivefortest
programsandsaveddata.Createnewfolderstructures,deleteles,renamelesandmoveles.
External Mode: DirecttheDV2TtocommunicatewithBrookeldRheocalcTSoftwarefor
complete viscometer control.
EachoftheMainMenuitemsaredetailedinthefollowingsectionsofthemanual.
 II.5.1 CongureViscosityTest
ViscositymeasurementsaremadeontheDV2TViscometerthroughtheCongureViscosityTest
function.TheuserispresentedwithCongureViscosityTestattheconclusionoftheAutoZero
functionorbyselectionontheHomeMenu .
All elements related to the measurement of viscosity are selected within Congure Viscosity
Test.TeststhatarecreatedcanbesavedtotheinternalmemoryoftheDV2TViscometeroronto
aconnectedUSBFlashDrive.TestscanbeloadedfrommemorybyselectingLoadTestfromthe
Home Screen .
TIP:ManyaspectsofCongureViscosityTestcanbelimitedwhenUserIDandLogInfunctions
areimplemented(seeSectionIV.4.2).
ThebasicCongureViscosityTestviewisshowninFigureII-4.ThisviewincludestheStatusBar
(SectionII.3),TitleBar(whichincludestheHomeandSettingsicons),testname,testparameters,
theMore/Lessbar,andCommandKeys(seeSectionII.4).

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More/Less Bar
Command Keys
Status Bar
Title Bar
Test Parameters
Test Name
Figure II-4
TheusercanseethenameofanytestthathasbeenloadedthroughtheLoadTestfunction.InFigure
II-4,thelenameislistedasUnsavedTest,indicatingthatthecurrenttesthasnotbeensaved.
The More/Less bar is seen just below the test parameters.  In Figure II-4, this bar includes a
downarrow,whichindicatesthatmoreinformationisavailable.FigureII-5showstheadditional
informationthatcanbeaccessed.TheMore/Lessbar,inthisview,nowhasanuparrowindicating
thattheadditionalinformationcanbehidden.
More/Less Bar
Command Keys
Status Bar
Title Bar
Data Fields
Figure II-5
TheCommandKeysincludeClear,SaveandRun.
Clear: Clearalldatathathasbeenenteredintothetestparameters
andrestorethevaluestothefactorydefault.
Save: Savethecurrenttest.
Run: Runthecurrenttest.
TheTestParameterareaincludesmanyelementsoftheviscositytestaswellaslivemeasurements
ofTorque%andTemperature.TemperaturedatawillonlybedisplayedifaBrookeldtemperature
probeisconnectedtotheDV2TViscometer.

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Torque: Alivesignalfromtheviscometer.
Spindle: Thecurrentlyselectedspindle.Allviscosity,shear
rate,andshearstresscalculationswillbemade
basedonthisspindle.Thespindlenumbermay
bechangedbypressingthebluearrow.
Speed: The currently selected speed of rotation.  The
viscometerwill operate at this speed once the
RUNcommandkeyispressed.Thespeedmay
bechangedbypressingthebluearrow.
Temperature: A live signal from the viscometer when a
temperatureprobeisattached (Brookeld part
numberDVP-94YorSC4-61Y).
End Condition: Specifytheconditionthatwillendthetest.
Data Collection: Specifytheamountofdatatobecollectedduring
thetest.
Instructions: Createamessagethattheuserwillseewhenthe
test begins.
Reports: Dene how the data will be viewed when the
test is complete.
QC Limits: Denethelimitsforacceptablemeasurementdata.
Density: Dene the density of the test sample.  This
informationwillbeusedwhenkinematicviscosity
unitsareselectedfordisplay(seeSectionIV.3).
II.5.2 Load Test
Testprogramsthatarecreated(CongureViscosityTest)canbesavedtotheinternalmemoryof
theDV2TortoaUSBFlashDrive.TheselescanbereloadedintotheDV2Tforimmediateuse
throughtheLoadTestfunction.AlethatisplacedontoaUSBFlashDrivecanbeloadedonto
anyDV2TViscometer.
WithintheLoadTestfunction,theusercanaccesstheinternalmemoryoftheviscometerorany
USBFlashDrivethatisconnectedtoaUSBport .TheviscometerwillpointtotheUSBFlash
Drive accordingtotheorderinwhichitisconnected.TherstUSBFlashDrivethatisconnected
will be referredtoas#1onboththeLoadTestscreensandtheStatusBar(seeSectionII.3).You
canhaveasmanyasthreeUSBFlashDrivesconnectedtotheDV2Tatanytime.
Testlesthataredisplayedonthescreencanbesortedbydateofcreationorbyalpha/numeric.
ThissortingisselectedbypressingtheNavigationIcon or .
TIP: YoucanusetheManageFilesfunction tomoveTestlesfrominternalmemorytoa
USBFlashDrive.

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II.5.3 View Results
Testresults(datales)canbesavedtotheinternalmemoryoftheDV2TortoaUSBFlashDrive.
TheseslescanbereloadedintotheDV2Tforreview,analysis,orprintingthroughtheViewResults
function.AleofTestResultsthatissavedontoaUSBFlashDrivecanbeviewedonanyDV2T
Viscometer.
WithintheViewResultsfunction,theusercanaccesstheinternalmemoryoftheDV2TViscometer
oranyUSBFlashDrivethatisconnectedtoaUSBport .Theviscometerwillpointtothe
USB FlashDriveaccordingtotheorderinwhichitisconnected.TherstUSBFlashDrivethat
is connected will bereferredtoas#1onboththeViewResultsscreenandtheStatusBar.Youcan
haveasmanyasthreeUSBFlashDrivesconnectedtotheDV2Tatanytime.
Resultslesthataredisplayedonthescreencanbesortedbydateofcreationorbyalpha/numeric.
ThissortingisselectedbypressingtheNavigationIcon or .
TIP: YoucanusetheManageFilesfunction tomoveResultslesfrominternalmemoryto
aUSBFlashDrive.
II.5.4 Manage Files
ResultFilesandTestFilescanbemanagedintheinternalmemoryoronUSBFlashDrivesfromthe
ManageFilesfunction.Folderstructurescanbeaddedorchangedtoassistwithdatamanagement.
Filesmaybecopied,moved,renamedordeleted.AccesstothisfunctioncanbelimitedwhenUser
IDandLogInfunctionsareimplemented(seeSectionIV.4.2).
Filesthataredisplayedonthescreencanbesortedbydateofcreationorbyalpha/numeric.This
sortingisselectedbypressingtheNavigationIcon or .
II.5.5 External Mode
TheDV2TViscometercanbecontrolledfromacomputerthroughtheuseofoptionalBrookeld
SoftwareRheocalcT.TheviscometermustbeplacedintoexternalcontrolmodefromtheMain
Menu .TheviscometermustbeconnectedtothecomputerwithaUSBAcable(DVP-202).
TIP: TheStatusBarwillindicateaproperconnectiontothecomputerbydisplayingtheComputer
Icon .
TheDV2TwilldisplayExternalModewhenconguredforoperationwiththecomputer.This
displayincludesaReturnbuttonthatwillresettheviscometertostandaloneoperation.
II.6 Range
The DV2T Viscometer will calculate the measurement range for a specic spindle and speed
combination.Thisinformationisdisplayedonthescreenwhileselectingthespindlenumberas
showninFigureII-6.TheRangeisalsoshownintheRunningViscosityTestviewduringthe
measurement.ViscositywillbedisplayedintheunitofmeasurespeciedinSettings and is
settocentipoise(cP)fromthefactory.

Brookeld Engineering Labs., Inc. Page 20 Manual No. M13-167
Range
Figure II-6
TIP: TheRangevalueisthesameastheAutoRangeavailableonearlierBrookeldviscometer
models.
II.7 Out of Range
TheDV2TViscometerwillgiveonscreenindicationswhenthemeasurementisoutofrangeof
theinstrument.Whenthe%Torquereadingexceeds100%(overrange),thedisplayof%Torque,
Viscosity,andShearStresswillbeEEEE(seeFigureII-7).Ifthe%Torquevalueisbetween0-
9.9%,thedataeldlabelwillash.Whenthe%Torqueisbelowzero(negativevalues),thedisplay
ofViscosityandShearStresswillbe----.
TIP: Brookfieldrecommendscollectingdataonlywhenthe%Torquereadingisbetween
10-100%.
Figure II-7