Extech Instruments CG206 User manual

USERGUIDE

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CoatingThicknessTester

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ModelCG206

CG206‐en‐GB_v1.06/16

Introduction

ThankyouforselectingtheExtechCG206CoatingThicknessTester.TheCG206isaportable

meterdesignedfornon‐invasivecoatingthicknessmeasurementswithautomaticrecognitionof

thesubstratematerialundertest.

Themeterusestwomeasurementmethods:magneticinduction(forferrousmetalsubstrates)

andeddycurrent(fornon‐ferrousmetalsubstrates).

TheCG206metercanconnecttoaPCviaUSBandtransmitrecordeddataforfurtheranalysisand

forgeneratingreportdocumentation.

Properuseandcareofthismeterwillprovidemanyyearsofreliableservice.

Features

MeasuredCoatings:Non‐magneticcoatings(e.g.paint,zinc)onsteel;InsulatedCoatings(e.g.

paint,anodizedcoatings)onnon‐ferrousmetals

Intuitivemenu‐basedprogramming

Memorystorageofupto1500readingsin30groups(50readingspergroup)

Deletesinglereadingsorallgroupseasily

AutoPowerOFFwithdisablefeature

DatatransfertoPCviaUSB

UserZeroCalibrationability

Applications

Corrosionprotection

PaintShopsandElectroplaters

Chemical,Automobile,Shipbuilding,andAircraftindustries

Laboratory,Workshop,andFielduse

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ProbeDescription

TheCG206probeisspringmountedinthesensorsleeve.Thisensuressafeandstablepositioning

oftheprobeandensuresconstantcontactpressure.

AV‐grooveinthesleeveoftheprobefacilitatesreliablereadingsonsmallcylindricalparts.The

hemisphericaltipoftheprobeismadeofhardanddurablematerial.

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Measuringmetalliccoatings

Thismetercanmeasurenon‐magneticmetalcoatings(Zinc)onamagnetic(ferrous)substance

base,andnon‐metalcoatingsonametalbase(ferrousornon‐ferrous).

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Description

MeterDescription

1. LCDdisplay

2. PowerandSelectbutton

3. Uparrow

4. ZeroKey

5. MicroUSBconnector

6. BackKey()

7. Downarrow

8. Sensor

Note:Batterycompartmentonrearofmeter



DisplayDescription

1. Datarecordmemorygroupnumber

2. RecordNumberincurrentmemorygroup

3. Batterystatusicon

4. Measurementunits:µmormils

5. DEL(Delete):Presstheback()

buttontodeletethepreviousreading

6. Metaltype(FE=ferrous,NFE=non‐ferrous)

7. Automatic(Auto)metaldetectmode

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Operation

MeterPower



Installtwo‘AAA’1.5Vbatteriesintotherearbatterycompartment.Pressthepowerbutton

toswitchthemeterON.ThedisplaywillswitchON.IfthedisplaydoesnotswitchON,installor

replacethebatteries.Whenpoweringup,pleasekeepthemeteratleast10cm(4”)frommetal

objects.Replacethebatterieswhenthebatterystatusiconappearslow,themeterwillgive

inaccuratereadingsifthebatteryvoltagefallsverylow.

Measurements



BeforeeachmeasurementsessionpleaseperformaZeroCalibrationasdescribedlaterinthis

UserGuide.

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Practicewiththefilmandzeroreferencemetalsubstratestolearnhowthemeteroperates

beforemovingtoaprofessionalapplication.Theheaviermetalsubstrateistheferrous

(magnetic)zerosubstrate(Fe)andthelightermetalsubstrate(Al)isthenon‐ferrous(non‐

magnetic)zerosubstrate.InAutomode,themeterautomaticallysensesferrousandnon‐ferrous

substrates.

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1. Placeareferencefilm(250µm,forexample)ontheferroussubstrate(FE).

2. Powerthemeteronbypressingthepowerbutton.

3. Placethespring‐loadedmetersensoragainstthereferencefilm.

4. Themeterwillemitanaudibletoneindicatingthatthemeasurementhasbeentaken.

5. TheLCDwillshowthereadingatthecenterofthedisplayarea.

6. ForatypicaldisplayseetheDisplaydescriptiondiagram.

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AutomaticPowerOFF

Inordertoconservebatterylife,themeterwillautomaticallyturnoffafterapproximately3

minutes.Todefeatthisfeature,usetheprogrammingmenudetailedinthenextsection(menu

parameterAUTOPOWEROFFunderSET).

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ProgrammingMenu

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Themetercanbeconfiguredandcalibratedthroughsimplebuttonpressesintheprogramming

menu.

PresstheSELbuttontoaccessthemenu;refertothemenu‘tree’below.

UsetheUP/DOWNbuttonstoscrollthemenu

UsetheSELbuttontoselectthehighlightedmode

Usethe() buttontoexitorbackoutofamode

Otherbuttonpressesaremodespecific,followon‐screenpromptsexplainedbelow.

Inthetablebelowthefactorydefaultsettingsareinboldwithanasterisk(*).

Eachparameterisexplainedindetailinthesubsequentsections.

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ToplevelSublevel1Sublevel2Description

WORKINGMODEGroup1…30ShowsMemoryGroupsandthenumber

ofreadingsineachgroup

(Group0hasnomemory)

MEASUREMODENFE,FE,Auto*Non‐Ferrous,Ferrous,orAuto

(Automatic)Metalselection

SETUnitsettingsµm*Micrometers

milMils=mm*2.54/100

BacklightIncrease/decreasebacklightusingup/downarrows

AutoPowerOFFEnable*AllowsAutoPowerOFF

DisableDefeatsAutoPowerOFFfeature

Contrast

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Increase/decreasecontrastusingup/downarrows

InfoShowsfirmwareversionnumberandmodelnumber

MEASUREVIEWViewordeletestoreddatainallgroupsorselectedgroups

CALIBRATIONCALZeroofFEPerformFEZeroCalibration(refertoCalibrationsection)

CALZeroofNFEPerformNFEZeroCalibration(refertoCalibrationsection)

DeleteZeroofFEDeleteFEZeroCalibrationdata

DeleteZeroofNFEDeleteNFEZeroCalibrationdata

NOTE:DisabletheAutoPowerOFFfeaturebeforelengthyprogrammingtoavoidinconvenientautomatic

powerdownwhileprogramming.

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WORKINGMODE

1. PresstheLEFTbutton(SEL)toaccessthemenu.

2. ScrolltoWORKINGMODE(ifnecessary)usingup/downbuttons.

3. PresstheLEFTbutton(SELECT)toopenWORKINGMODE.

4. UsetheUPandDOWNbuttonstoscrollthroughthegroupsandtoseethenumberofsaved

readingsineachgroup.Group0doesnothavememory.

5. PresstheLEFTbutton(SELECT)toselectthegroupandexitWorkingmodeandreturntothe

mainmenuorpresstheRIGHTbutton()twicetoreturntothenormaloperatingmode.

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MEASUREMODE

1. PresstheLEFTbutton(SEL)toaccesstheprogrammingmenu

2. UsetheUP/DOWNbuttonstoscrolltotheMeasureMode

3. PresstheLEFTbutton(SELECT)toselecttheMeasureMode

4. UsetheUP/DOWNbuttonstoscrolltoAuto,FE,orNFE.

PresstheLEFTbutton(SELECT)tomakeaselection.

AUTOmode‐themeterautomaticallyrecognizesthemetalthatisbeingmeasured.

Ferrous(FE)Mode‐theMagneticinductionmeasurementmodeisused.

Non‐Ferrous(NFE)Mode‐theeddycurrentmeasurementmodeisused.

5.PresstheRIGHTbutton() toreturntothenormaloperatingmode.



SET

1. PresstheLEFTbutton(SEL)toaccessthemenu.

2. UsetheUP/DOWNarrowstoscrolltoSET.

3. PresstheLEFTbutton(SELECT)toopentheSETmenu.

4. UsetheUPandDOWNbuttonstoscrollthroughtheselections.

5. PresstheLeftbutton(SELECT)toopentheselecteditem.

a. Unitsofmeasureselections

Selectµmormilusingthearrowbuttons(µm=micrometers;mils).PresstheLEFT

button(SELECT)buttontoconfirmandtoreturntotheSETmenu(otherwisepressthe

rightbutton() toaborttheeditandreturntotheSETmenu).

b. Backlight

UsetheUPandDOWNarrowstoadjustthebrightnessofthebacklight.

PresstheRIGHTbutton()toconfirmandreturntotheSETmenu.

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c. AutoPowerOFF

SelectENABLEorDISABLEusingthearrowbuttons.Whenenabled,themeter

automaticallyswitchesOFFafter3minutesofinactivity.Whendisabled,themeterwill

onlyswitchOFFwithapowerbuttonpressorwhenthebatterypowerisweak.

PresstheLEFTbutton(SELECT)buttontoconfirmandtoreturntotheSETmenu

(otherwisepresstherightbutton() toaborttheeditandreturntotheSETmenu).



d. Contrast

UsetheUPandDOWNarrowstoadjustthedisplaycontrastupordown.

PresstheLEFTbutton(OK)buttontoconfirmandtoreturntotheSETmenu

(otherwisepresstherightbutton()toaborttheeditandreturntotheSETmenu).



e. Info

Themodelnumberandfirmwareversionlevelaredisplayed.

Presstherightbutton() toexittotheSETmenu.



MEASUREVIEW

TheMeasureViewmenuallowsforscrollingthroughthereadingsinallofthegroups.

Readingscanbeviewedordeletedinthismode.

1. PresstheLEFTbutton(SEL)toaccessthemainmenu.

2. UsetheDOWNARROWbuttontoscrolldowntoMEASUREVIEW.

3. PressLEFT(SELECT)toopentheMEASUREVIEWparameter.

4. UsetheUP/DOWNARROWbuttonstoscrollthroughthegroupsofstoredreadings.

5. Whenagroupishighlightedthatcontainsstoredreadings,usetheLEFT(SELECT)buttonto

openthereadingslist.NowusetheUP/DOWNarrowstoviewthereadings.PresstheLEFT

button(DeleteGroup)todeleteallreadingsinthisGrouporpresstheRIGHTbutton() to

returntothemainGrouplist.

6. Highlight‘DeleteAll’andpresstheLEFTbutton(SELECT)todeleteallofthereadingsinall

groups.OtherwisepresstheRIGHTbutton()toreturntothepreviousmenu.

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CALIBRATION

TheCalibrationmenuallowstheusertoperformaFerrous(ZeroFE)ornon‐ferrous(ZeroNFE)

ZEROCalibration.TheCalibrationmenualsoallowstheusertodeleteZEROcalibrationdatafor

bothferrous(ZeroF)andnon‐ferrous(ZeroN)modes.

1. PresstheLEFTbutton(SEL)toaccessthemainmenu.

2. UsetheDOWNbuttontoscrolltoCALIBRATION.

3. PressLEFT(SELECT)toopentheCALIBRATIONparameter.

4. ToperformaZEROCalibration,refertoZeroCalibrationinthenextsection.

5. TodeleteZEROCalibrationdata,scrolltoDELZeroofFEorDELZeroofNFEandthenpress

theLEFTbutton(SELECT).ThisexecutestheZerodeletefunctionandreturnsthemeterto

theSETmenu.

6. PresstheRIGHTbutton() toreturntothenormaloperatingmode.



ReferenceFilmAccuracyVerification

1. TheCG206metercomeswithasetofreferencefilmstocheckthemeasurement

accuracyofthemeter.

2. ThebasematerialsareFerrous(Steel)andtheNon‐Ferrous(Aluminum).

3. Turnonthemeter1meterawayfromanymaterial.

4. SettheMeasureModetoFE,NFE,orAuto.

5. PerformaZerocalibrationonthebasematerialofyourchoice.

6. Placeathicknessfilmonthebaseandmakeameasurement.

7. Refertotheaccuracyspecificationstovalidatetheaccuracyofthemeter.

CG206‐en‐GB_v1.06/16

ZEROCalibration



ThecustomershouldperformaZeroCalibrationbeforeanymeasurementsaretaken.

PreparingforZEROCalibration

1. Cleantheprobetipandthesubstrate(grease,oil,metalscraps.

Theslightestimpuritywillaffectmeasurementandwilldistortreadings.

2. SwitchthemeterONata10cm(4”)minimumdistancefromanymetal.

3. Setthemetertothecorrectsubstratetype,FEorNFE.

4. Themeterisnowreadyforcalibration.

ZeroCalibration

ZEROCalibrationfromtheProgrammingMode

1. Fromthenormalmeasurementmode,presstheLEFTbutton(SEL)toaccessthemenu.

2. UsetheUP/DOWNbuttontoscrolltoCALIBRATIONmode.

3. PressLEFT(SELECT)toopentheCALIBRATIONparameter.

4. Scrollto‘CALZEROOFFE’or‘CALZEROOFNFE’

5. PresstheLEFTbutton(SELECT)and‘FECAL’or‘NFECAL’shouldbedisplayedonthe

LCD’slowerlevel.

6. PressthesensoragainsttheFEorNFEzeroreferencesubstrateandwaitforthebeep.

7. PresstheLEFTbutton(OK)toacceptthecalibrationvalueorpresstheRIGHTbutton

(CANCEL)toabortthecalibration.

8. Ifthemeterdidnotread0.0youcantryagainor“Set”theZeroreferencebypressing

andholdingtheZERObuttonuntilthemeterbeeps.

9. WhentheZerocalibrationiscomplete,themeterisreadytomakemeasurements.



NotethattheusercandeleteZEROCalibrationdatabyselecting‘DelZEROofFE’or‘Del

ZEROofNFE’fromtheCALIBRATIONmodeintheProgrammingmenu.



ZEROCalibration–RelativeMode

1. Thismodecanbeusedtosetazeropointonreferencesubstrateoronaknown

thicknessofmaterial.

Forarelativemeasurement,anythicknessgreaterorlesserwillbereferencedtothisset

value.

2. PressthesensoragainsttheFEorNFEzeroreferencesubstrateoronaknownthickness

valueofmaterial.

3. PressandholdtheZERObuttonuntilitbeepstosettherelativezerocalibrationto0.0.



CG206‐en‐GB_v1.06/16

RecordReadingsinMemoryGroups

TheCG206offers30memorystoragegroups,Group‘0’through‘30’.

Group‘0’doesnotallowdatatobestored;itissimplyagroupthatcanbeselectedifreadingsare

tobetakenwithoutbeingstored.

FromtheNormalmeasurementmode,UsetheUP/DOWNarrowkeystoscrolltoaparticular

group.Whenareadingistakenitisautomaticallystoredintheselectedgroup.

EachGroupcanstoreupto50readings(foratotalof1500forthe30groups).

Todeleteallgroups,oranindividualgroup,usetheMEASUREVIEWmodeasexplainedinthe

programmingmenusectionofthisUserGuide.

InGROUPmode,ifthestoragecapacityisexceeded.Themeterwilldisplay(50)intheupperright

cornerandwillbeeptwice.



SOFTWARE

ThismeteriscapableofstoringdataandcandownloadthatdatatoaPCthroughthesupplied

Windows©compatiblesoftwareandmicro‐USBcable.RefertotheSoftwareHelpguidesupplied

withthesoftwareonhowtoinstallandoperatethesoftware.



Checkthesoftwaredownloadpageofthewebsitewww.extech.comforthelatestversionofthe

PCsoftwareanditsoperatingsystemcompatibility.



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