Brookfield DV2T Extra Viscometer Manual de usuario descargar pdf (Pagina 90)

Brookeld Engineering Labs., Inc. Page 90 Manual No. M13-167-B0614

❏ Viscometer Will Not Return to Zero

✓ Viscometerisnotlevel

  • Checkwithspindleoutofthesample.

  • Adjustthelaboratorystand.

✓ Pivotpointorjewelbearingfaulty

  • PerformanOscillationCheck*

✓RemovethespindleandturnthemotorOFF;selectdisplayto%torquemode.

✓ Gentlypushupontheviscometercoupling.

✓ Turnthecouplinguntilthedigitaldisplayreads10-15onthe%display.

✓ Gentlyletgoofthecoupling.

✓ Watchthedigitaldisplay;youshouldseea“run”ofnumbersnexttothe%;the

“run”ofnumbers shouldultimatelystopat0.0(+/-0.1).

IfthedigitaldisplaydoesnotreturntoZERO,theunitmostlikelyisinneedof

service.

  • Performcalibrationcheck(seeAppendixF).

 • ContactBrookeldEngineeringLaboratories,Inc.oryourBrookelddealerfor

repair(seeAppendixO).

*Thisproceduredoesnotapplytoinstrumentswithballbearingsuspension(seeSection

I.3).

❏ Display Reading Will Not Stabilize

✓ Specialcharacteristicofsampleuid.Thereisnoproblemwiththeviscometer.

  • RefertoAppendixC.

✓ Checkforerraticspindlerotation.

  • Verifypowersupply

 • ContactBrookeldEngineeringLaboratories,Inc.oryourBrookelddealerfor

repair.

✓ Bent spindle or spindle coupling.

 • ContactBrookeldEngineeringLaboratories,Inc.oryourBrookelddealerfor

repair.

✓ Temperatureuctuationinsampleuid.

  • Usetemperaturebathforcontrol.

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Brookfield DV2T Extra Viscometer Manual de usuario Pagina 90