Brookfield DV2T Extra Viscometer Manual de usuario descargar pdf (Pagina 46)

Brookeld Engineering Labs., Inc. Page 46 Manual No. M13-167-B0614

Global Alarm: The GlobalAlarm establishesa singlemeasurement parameterwith a

rangeofacceptance.Wheneverthemeasuredvalueexceedsthisrange

ofacceptance,anaudibleandvisualalarmwillbeissued.TheGlobal

Alarmwillapplytoanytestthatisrun.TheQCLimitalsoestablishesa

measurementparameterwitharangeofacceptance;however,theQC

Limitisappliedonlytothetestinwhichitisdened.

TheGlobalAlarmcanbesetforanyofthefourmeasurementparameters

including; Shear Stress, Temperature, Torque and Viscosity.  Once a

parameterisselected,bothlowandhighlimitsmustbeentered.These

limitsareindependentofthespindleandspeedselected.Whentheglobal

alarmistriggered,theDV2TwillprovideanaudiblealarmandaWarning

messageonthescreen(seeFigureIV-6).Theerrormessagewillprovide

somedetailaboutthealarmcondition.Thetestanddatacollectionwill

continue while the Warning message is displayed. The audible alarm

willcontinuetosounduntiltheoperatortouchestheOKbuttonwithinthe

Warning box.

Figure IV-6

TheRunningViscosityTestdisplaywillshowacoloredboxaroundthedata

parameterassociatedwiththeGlobalAlarm.Whenthealarmcondition

isrstmet,thecoloredboxwillbeyellow.Ifthemeasurementparameter

returnstotheacceptablerange,thenthecoloredboxwillberemoved.

Whenthealarmconditionismetasecondtime,thecoloredboxwillbe

red(seeFigureIV-7).Theaudiblealarmwillonlysoundonce.

Figure IV-7

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Brookfield DV2T Extra Viscometer Manual de usuario Pagina 46