Owner's manual

Brookeld Engineering Labs., Inc. Page 51 Manual No. M13-2100
The Default Temperature is the temperature value that the control device will return to at the
conclusionoftheTest.Thisvalueissetonlyifthecheckboxischecked.Whenthecheckboxis
uncheckedthetemperaturecontrollerwillholdatthelastsetpointusedintheTest.
TIP:Whenatestinvolvesseveraltemperaturesetpoints,settheDefaultTemperaturetotherst
setpointusedintheTest.ThiswillreducethetransitiontimefromoneTestruntothenext
Testrun.
IV.5 Test Parameters
TheCongureYieldTestscreenincludesseveralparameterstospecifythetestmethod;Spindle,
ImmersionMark,Pre-ShearSpeed,Pre-ShearTime,ZeroSpeed,WaitTime,RunSpeed,Torque
Reduction,andTemperature.TherequiredparametersareSpindle,ImmersionMark,RunSpeed
andTorqueReduction.AllotherparametersareoptionalincludingthoseshownbelowtheMore/
Lessbar;YieldLimit,Instructions,SavePath.
Spindle
Spindle Number
Atwo(2)digitcoderepresentingthespindlenumberusedforthetestmustbeselected.See
AppendixAformoreinformationregardingspindlesforusewiththeDV3TRheometer.Selection
oftheappropriatespindlecodeisimportanttoensurecorrectstresscalculations.Brookeld
recommendstheuseofvanespindlesforyieldmeasurements.
Immersion Mark
Eachvanespindlehastwo(2)immersionmarks.Theprimaryimmersionmarkislocatedon
thespindle shaft. Normally,the spindleshouldbe insertedsothat thesamplereaches this
mark.Ifthesamplecontaineristoosmalltoallowthespindletobeinsertedtothismark,the
secondaryimmersionmarkmaybeused.Thismarkappearshalfwaydownthebladesofthe
vane spindles. See Appendix D for more information regarding spindles and immersion marks.
Primary
Immersion
Mark
Secondary
Immersion
Mark
Figure IV-5
Note: Selection of the appropriate immersion mark is important to ensure
correct stress calculations.