Extech TKG100 handleiding

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ExtechInstruments



TKGSeriesQuickStartGuide‐ENv3.411/13

4. ChangingUnits

TochangeunitsfromIN(inches)toMM(millimeters)or

sec(microseconds):Atthefirstscreen,before

theprobeisselected,pressF1Menu,scrolltoinitialsettings,pressMenu/OK,scrolltounits,press

Menu/OK,choosethedesiredunit,andthenpressMenu/OKandthenF1(Back).

5. CalibratingtheGauge

CalibratingistheprocessofadjustingtheGaugeforaspecificmaterialandtransducerbeforetestingthe

materialtoensurethatallmeasurementsareaccurate.Alwaysperformacalibrationbeforemeasuring

materialtoobtainstandardaccuracy.ThefollowingstepsdescribehowtoperformaVelocityandZero

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Calibration.Ateststepblockofknownthicknessisrequiredtoperformanaccuratecalibration.

VelocityandZeroCalibration 

Note:itishighlyrecommendedthatatestblockwithknownthicknessesandmultiplestepsofthe

samematerialwithflatandparallelsurfacesbeusedforcalibration.

Tocalibrateboth

ZeroandVelocityatthesametime(stronglyrecommended)firstgotothe

Calibrationmodebypressingmenu,calibration,andOK.Messageswillappearonthebottomofthe

displaypromptingtheuserthroughtheprocess“couplethin,pres szero…”Whilemeasuringthe

thinneststep,selectZerobypressingF2.After

selectingZerothetransducercanbetakenoffofthe

testblock.Ifthedisplayedvalueisdifferentthantheknownvalueofthestep,adjustthevalueusing

theupanddownarrowkeysandthenpressF1(CAL).Then,whilemeasuringthethickeststep,select

‘VEl’bypressing

F3.AfterselectingZEROthetransducercanbetakenoffofthetestblock.Ifthe

measuredvalueisdifferentthantheknownvalueofthestep,adjustthemeasuredvalueusingtheup

ordownarrowkeyandthenpressOK.Theunitwillbrieflydisplaytheacousticsoundvelocity

value

andthenreturntoMeasuremode.NotethattheorderofZeroandVelocitycalibrationcouldbe

reversedaslongasZeroisusedonthethinsectionandVelocityonthethicksection.

6. TakingMeasurements

OnceanAuto‐zeroisperformedontheselectedtransducer,theunit

automaticallygoestothemeasure

mode.Totakethicknessreadings,theusercansimplyapplythe(fluid)couplanttothesurfaceandput

thetransduceronthetestpiece,applyi ng somepressure,tomeasurethickness.Dependingonthe

parametersettings,thedisplaymaysho w otherparameters.Formoredetailedinformationon

Measure

mode,pleaserefertotheUser’sGuidelocatedonthesuppliedCD‐ROM.

7. ChangingtheParametersettings

Tochangeanyparametersetting,pressMenu/OKandthengotoMeasurementbypressingtheupor 

downarrowkeyandthenMenu/OK.TheMeasurementscreenliststheparametersinalphabetical

order

suchasalarm,diff,EtoE,fast…thesevarybasedonwhichGaugeispurchased.Theproceduretochange

anyparameteristhesame…scrolltotheparameter,pressMenu/OK,scrolltoselect,andthenpress

Menu/OK.UsetheF1keyasthe‘back’keytoreturntopreviousscreensand

mainmeasurementmodes.

Copyright©2013FLIRSystems,Inc.

Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform

www.extech.com

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