Brookfield DV2T Viscometer Manual de usuario descargar pdf (Pagina 48)

Brookeld Engineering Labs., Inc. Page 48 Manual No. M13-167-B0614

ASpecialSpindleiscreatedbyselectingtheSpecialSpindlecommandbutton

intheEditSpindleListmenu.ASpecialSpindlerequiresacode,aname,

andanSMCvalue.OptionalvaluesincludeSRCandYMC.

Code Thecodeisthenumericalvalueusedtoselectthespindle.This

valuemustbeuniqueandcannotbethesameasastandard

Brookeldspindle.TheacceptablerangeforCodeis100-199.

Name TheNameisauniquevaluetodescribethespindle.TheName

willbedisplayedintheSpindleeld.TheNamecanbecomprised

ofalphaandnumericcharacters.

SMC The SMC (Spindle Multiplier Constant) is used to convert the

measuredtorquetoviscosity.TheacceptablerangeofSMCis

0.001–500.

TheSMCvaluecanbedeterminedthroughtheuseoftheRange

equationfoundinappendix D.Someexperimentationwiththe

spindleandacalibratedviscositystandardisrequired.

Range(cP)=TK*SMC*10,000/RPM

TheTorqueConstant(TK)canbefoundinTableD-2inAppendixD.

SRC TheSRC(ShearRateConstant)isusedtoconvertthesetRPM

toshearrateandcalculateShearStress.Theacceptablerange

ofSRCis0.001–500.

TheSRCvaluecanbedeterminediftheshearratecharacteristicsof

thespindlegeometryareknown.ConsulttheBrookeldpublication,

“MoreSolutionstoStickyProblems”,foradiscussionaboutshear

rateandsomerecommendedequations.

ShearRate(1/s)=SRC*RPM

YMC TheYMC(YieldMultiplierConstant)isusedtoconvertthemeasured

torquetoyieldstress.

This feature is only available with the DV3T Rheometer. Consult

the DV3T operating instructions for more information.

Speed List:TheselectionofSpeedinCongureViscosityTestcanbedonebyusingeither

anumberpadorascrolllist.(Thischoiceisselectedthroughthenavigation

buttonintheSetSpindle screen.)Whenscrolllistisselected, thespeed

entryisrestrictedtotheclassicBrookeldspeedsetsfortheLVandRV/HA/

HBviscometers.ThecontentsofthescrolllistaredenedintheSpeedList

menu.Eachspeedcanbeindividuallyselectedordeselectedthroughtheuse

ofacheckbox.SelectordeselectallspeedsbyusingtheSelectAllcheck

box.SelectordeselectallLV(orRV/HA/HB)speedsbyusingtheSelectAll

LVcheckbox.TheclassicBrookeldspeedsetsaredenedbelow.

LV: 0.3,0.6,1.5,3,6,12,30,60

RV/HA/HB: 0.5,1.0,2.0,2.5,4,5,10,20,50,100

Additionally,anewspeedcanbeaddedtothelistbyselectingtheNewSpeed

commandkeyatthebottomofthedisplay.TheNewSpeedmustbeselected

withintherangeofavailablespeedsontheDV2T:0.0–200RPM.

Speedentrythroughthenumberpadisneverrestricted.

TIP: Toensurethatthecorrectspeedisalwaysentered,createatestthat

issavedtotheDV2Tmemory.

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

It's good information

Brookfield DV2T Viscometer Manual de usuario Pagina 48

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