Brookfield DV2T Viscometer Manual do Utilizador descarregar pdf (Página 58)

Brookeld Engineering Labs., Inc. Page 58 Manual No. M13-167-B0614

Appendix A - Cone/Plate Viscometer Set-Up

This Cone/Plate version of the DV2T uses the same operating instruction procedures as

describedinthismanual.However,the“gap”betweentheconeandtheplatemustbeveried/

adjustedbeforemeasurementsaremade.Thisisdonebymovingtheplate(builtintothe

samplecup)uptowardstheconeuntilthepininthecenteroftheconetouchesthesurface

oftheplate,andthenbyseparating(lowering)theplate0.0005inch(0.013mm).

WhenoperatingtheCone/Plateatelevatedtemperature,thegapmustbesetwiththecup

andspindleequilibratedatthetemperaturerecommended.MaximumtemperatureforCone/

Plate operation is 80ºC. Maximum operational temperature of sample cup is 100

ºC. Personal

protectionisrecommendedwhencontrollingtotemperaturesabove80ºC.

Note: MicrometerAdjustmentRingwillbecomehotwhencontrollingsample

cup at temperatures above 50ºC.

ProgrammableDV2TCone/PlateViscometers,S/N50969andhigher,haveanElectronicGap

Settingfeature.Thisfeatureenablestheusertoeasilyndthe0.0005inchgapsettingthat

wasestablishedatBrookeldpriortoshipment.

Brookeldrecommendsthatthemaximumparticlesizeinthesamplematerialformeasurement

withcone/plategeometrybelessthan5timesthegapsetting.Amoreconservativeapproach

istolimitthemaximumparticlesizetolessthan10timesthegapsetting.

ThefollowinginformationexplainshowtosettheElectronicGapandverifycalibrationofthe

DV2TViscometer.

A.1 Electronic Gap Setting Features

TOGGLE SWITCHallowsyoutoenable/disablethe

ElectronicGapSettingFeature:leftpositionis

OFF(disabled),rightpositionisON(enabled).

PILOT LIGHT isthered(LED)light;whenilluminated,

it means the Electronic Setting Function is

sensing(enabled).

Note: Besurethelightisoffbefore

introducingthetestsample.

CONTACT LIGHTistheyellow(LED)light;whenit

rstturnson,the“hitpoint”hasbeenfound.

SLIDING REFERENCE MARKERisusedafterndingthe

“hitpoint;”itisthereferenceforestablishingthe

0.0005inchgap.

MICROMETER ADJUSTMENT RINGisusedtomovethecupupordowninrelationtothecone

spindle.Turningtheringleft(clockwise)lowersthecup;turningitright(counterclockwise)

raisesthecup.Eachlineontheringrepresentsonescaledivisionandisequivalentto

0.0005inchmovementoftheplaterelativetothecone.

Pilot Light

(red)

Toggle Swtich

Contact Light

(yellow)

Sliding Reference

Marker

Micrometer

Adjustment Ring

Figure A-1

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

It's good information

Brookfield DV2T Viscometer Manual do Utilizador Página 58

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