Brookfield DV3T Rheometer Manuel d'utilisateur télécharger pdf (Page 54)

Brookeld Engineering Labs., Inc. Page 54 Manual No. M13-2100

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Denethememorylocation(internalorUSBFlashDrive)wheretheTestResultswillbesaved.

TIP:Selectingadatapathcanhelptoorganizedatastorageintheinternalmemoryofthe

DV3T.Bypreselectingthedatapath,operatorsaredirectedtoputthedatafromspecic

testsintospecicareas.

TIP:IfyouselectadatapaththatincludesaUSBFlashDrivelocationandtheFlashDrive

hasbeenremoved,anerrormessagewillbedisplayed.

IV.6 Running a Yield Test

AYieldTestisstartedbypressingtheRunbuttonontheCongureYieldTestscreen.WhenRun

ispressed,thedisplaywillchangetotheRunningYieldTestscreen(seeFigureIV-7).

Real Time Graph

Command Keys

Status Bar

Title Bar

Test Name

Measurement Data

Figure IV-7

TheRunningYieldTestscreenprovidesinformationonthecurrentmeasurementincluding:Delta

Torque,Torque,Stress,Strain,Temperature,andSpeed.

Delta Torqueisthedifferencebetweenthecurrent%Torquevalueandtheprevious%Torque

value.Asthesampleapproachesitsyieldpoint,theDeltaTorquepercentageshoulddecrease.

IftheTorqueReductionforthetestis100%,theyieldpointoccurswhenthe%decreasein

Torque=100.

TorqueisthedeectionoftheRheometertorquesensor.Itisdescribedaspercent(%)andhas

arangeof0–100%.TheDV3Twillprovidemeasurementresultswithinthestatedaccuracy

providedtheTorquereadingisbetween10and100%.Ifthetorquereadingfallsbelow10%the

labelsinthedataeldswillashtoindicateanerrorcondition.Brookelddoesnotrecommend

thatdatabecollectedbelow10%Torquehoweverdatacollectionisnotrestricted.

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Brookfield DV3T Rheometer Manuel d'utilisateur Page 54