Brookfield DV3T Rheometer Manual do Utilizador descarregar pdf (Página 23)

Brookeld Engineering Labs., Inc. Page 23 Manual No. M13-2100

II.7 Out of Range

TheDV3TRheometerwillgiveonscreenindicationswhenthemeasurementisoutofrangeof

theinstrument.Whenthe%Torquereadingexceeds100%(overrange),thedisplayof%Torque,

Viscosity,andShearStresswillbeEEEE(seeFigureII-7).Ifthe%Torquevalueisbetween0-

9.9%,thedataeldlabelwillash.Whenthe%Torqueisbelowzero(negativevalues),thedisplay

ofViscosityandShearStresswillbe----.

TIP: Brookfieldrecommendscollectingdataonlywhenthe%Torquereadingisbetween

10-100%.

Figure II-7

Measurementdatashouldnotbecollectedwhenthe%Torquereadingisoutofrange.Theoutof

rangeconditioncanberesolvedbyeitherchangingthespeed(reducespeedwhenreadingisoutof

range:high)orchangingthespindle(increasethespindlesizewhenthereadingisoutofrange:low).

TIP: Whencomparingdata,thetestmethodiscritical.Besurethatyouknowtheproperspindle

andspeedrequiredforthetestmethod.Ifreadingsareoutofrange,thisconditionshould

bereportedasthetestresult.

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