Brookfield DV3T Rheometer Manual do Utilizador descarregar pdf (Página 49)

Brookeld Engineering Labs., Inc. Page 49 Manual No. M13-2100

IfyourinstrumenthastheEZ-Locksystem,thespindlesareattached

as follows:

With onehandholdthespindle, while gently raisingthespring-

loadedoutersleevetoitshighestpositionwiththeotherhand,as

shown inFigure IV-2.  Insert the EZ-Lock Spindle Coupling so

thatthebottomofthecouplingisushwiththebottomoftheshaft,

andlowerthesleeve.Thesleeveshouldeasilyslidebackdownto

holdthespindle/couplingassemblyinplaceforuse.[Spindlescan

beidentiedbyentrycode;lookforthenumberonthesideofthe

EZ-Lockspindlecoupling.]

ThemotorshouldbeOFF whenever

spindlesarebeingremovedorattached.

Note: KeeptheEZ-LockSpindleCouplingand

outer sleeve as clean as possible and free

from debris that could become lodged

insidetheadapter.

IV.4 Temperature Control

TheDV3TRheometerprovidestheabilitytocontrolthetemperatureofaconnectedBrookeld

temperaturecontroldevicesuchastheThermosel(HT-106controller)andwaterbathswithSDor

APcontrollers(forexample:TC-550SD).TheThermoselorwaterbathcanthenbeusedtocontrol

thetemperatureofthesampleundertest.

TheDV3Tconnectstothetemperaturecontroldevicethroughadedicatedcommunicationcable.

TheThermoselrequirescableDVP-141.ThewaterbathsrequirecableDVP-207.Thesecables

areavailablefromBrookeld.

Whenconguredforcontrolofatemperaturecontroldevice,theDV3Tmayhavetwotemperature

inputs:

1)thetemperatureprobesuppliedwiththeDV3T(DVP-94Y,CPA-44PYZ,orSC4-13RPY)

and

2)thetemperatureprobesuppliedwiththetemperaturecontroldevice(waterbathorThermosel).

Onlyonetemperatureprobecanbeusedfordisplayoflivetemperature,control,anddatacollection.

SelecttheprobetobeusedintheTemperaturemenu(seeFigureIV-3).

TIP:EmbeddedtemperatureprobesusedwiththeCone/PlateandSmallSampleAdaptercanbe

usedforsetpointcontrolofawaterbath.Makingthisselectioncanimprovethetemperature

controlofthesamplebyoffsettingthetemperaturebathtoaccountforanyheatlossin

thetubingor waterjacket.Tousethe embeddedtemperatureprobeselectProbeinthe

Temperaturemenu.

Temperature control must be initiated each time the DV3T is powered on.  Be sure that the

temperaturecontroldeviceispoweredonpriortoinitiatingcommunication.ChooseDeviceSetup

intheSettingsmenu.ChooseTemperatureandyouwillbepresentedwiththeTemperaturemenu

(seeFigureIV-3).TemperatureOffsetisdescribedinSectionIV.1.

Figure IV-2

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Brookfield DV3T Rheometer Manual do Utilizador Página 49