Extech Instruments MD13628 Manuale utente

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USERGUIDE

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MiniInfraRedThermometer

WithLaserPointerandHigh‐LowAlarms

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ModelIR260

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EXTECHINSTRUMENTS

2IR260‐en‐GB_V1.21/16

Introduction

CongratulationsonyourpurchaseoftheIR260IRThermometer.Thisthermometermakesnon‐

contact(infrared)temperaturemeasurementsatthetouchofabutton.Thebuilt‐inlaserpointer

increasestargetaccuracywhilethebacklitLCDandhandypushbuttonscombineforconvenient,

ergonomicoperation.Thisdeviceisshippedfullytestedandcalibratedand,withproperuse,will

provideyearsofreliableservice.Pleasevisitourwebsite(www.extech.com)tocheckforthe

latestversionofthisUserGuide,ProductUpdates,andCustomerSupport.

Features

Measuresnon‐contactsurfacetemperatureupto400°C(752°F)

12:1DistancetoSpotRatio(FieldofView)

Single‐pointlasertargeting

AutomaticDataHoldwhentriggerisreleased

DisplayBacklight

Maximum‐Minimumtemperaturefunction

Selectabletemperatureunits(°F/°C)

Dynamicbatterystatusindication

Adjustableemissivity

AudibleandvisiblealarmindicationforHighandLowTemperatureAlarm

Safety

InternationalSafetySymbols

Thissymbol,adjacenttoanothersymbolorterminal,indicatestheusermustrefertothemanualfor

furtherinformation

Warnings

oDonotdirectlyorindirectlypointthelaserattheeyesofapersonorananimal

oInspectfordamageorforanyshortageofpartsoraccessoriesbeforeuse

oReplacethebatteriesimmediatelyafterthebatteryindicatorflashes

oDonotusethethermometernearexplosivegases,steam,ordust

oNotethatanobjectwithhighreflectivitywillnormallycausethe

measuredtemperaturevaluetoreadmuchlowerthantheactual

temperature

oUsethedeviceonlyasdescribedinthisUserGuide

Cautions

Toavoidthermometerdamage,pleaseavoidthefollowinghazards:

oEMFfromweldingequipmentorelectro‐inductionheaters

oStaticelectricity

oThermalshockcausedbylargeorabruptenvironmentaltemperaturechanges;wait30minutesto

allowthethermometertostabilizetonewenvironmentalconditions

oDonotusethisdeviceinexcessivelyhightemperatureenvironments

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<1mW Output at 650nm

EXTECHINSTRUMENTS

3IR260‐en‐GB_V1.21/16

Description

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MeterDescription

1. LCDDisplay

2. MAX‐MIN/DownButton

3. Backlight‐LaserPointer/UpButton

4. Laserpointerlens

5. IRThermometerlens

6. SETButton

7. MeasurementScanTrigger

8. BatteryCompartment

DisplayDescription

Emissivityvalueindication

Laserpointeractiveicon

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Scanmode(activewhilethetriggerispulled;displayed

temperaturetracksthetemperatureofthescannedsurfaces)

Holdmode(displayedtemperaturefreezeswithtriggerrelease)

Maximum/Minimumtemperatureicons

Batterycapacityindicator(flasheswhenbatteryvoltageiscritical)

DisplayBacklighticon

Temperatureunits(°F/°C)

TemperatureAlarmiconsandaudiblealarmdisableicon

EXTECHINSTRUMENTS

4IR260‐en‐GB_V1.21/16

Operation

MeterPower

Themeterispoweredbytwo1.5VAAbatteries.Withfreshbatteriesinstalled,themeter

switchesONwhenthetriggerispulled.Thebatteriesarelocatedinthemeterhandle;pullthe

batterycompartmentlidawayfromthebodyofthemetertoopen.RefertotheMaintenance

sectionformoreBatteryInstallationinstructions.Thebatteryiconprovidesbatterystatus

indication.Replacethebatteriesassoonasthebatterystatusiconflashes.

SurfaceTemperatureMeasurements

1. HoldthemeterbyitsHandleGripandpointittowardthesurfacetobemeasured.Readthe

FieldofViewsectionbelowfordistancetotarget(spot)ratioinformation.

2. PullandholdtheTriggertoturnthemeteronandbegintestinginScanmode.Thedisplay

willlightifthetwo1.5Vbatteriesaregood.Replacethebatteriesifthedisplaydoesnotlight.

3. ReleasetheTrigger;thereadingwillholdforapproximately9seconds,afterwhichthemeter

willautomaticallyshutoff.

4. Themeterdefaultstotheprogrammedconditionsinusewhenthemeterwaslastswitched

OFF.Forexample,ifthelaserissettoONandthetemperatureunitsaresettooFatthetime

theunitisswitchedOFF,theunitwillswitchONandusethesamesettings.

Laser–ON/OFF

Pull the trigger and release.

PushandHOLDthe buttonforabout3secondstoswitchthelaserpointerONorOFF.

TheLasericonwillflashwhenthestatehaschanged.WhenthelaserisON,thelasericon will

appearontheLCD.Aimtheredlaserbeamapproximatelyahalfinchbelowthepointoftest

(pressingtheLaserbuttonagainturnsthelaseroff).

MAX‐MINMode

Pressthetriggerandrelease.

PresstheMAX‐MINbuttontoviewthemaximumtemperaturereading(MAX),pressagainto

viewthelowestreading(MIN).PressandholdtheMAX‐MINbuttontoswitchtheMAX‐MIN

modeoff.

DisplayBacklight

Pressthetriggerandrelease.

Pressthebacklightbutton momentarilytoswitchthebacklightONorOFF.

Over‐rangeIndicators(OLand‐OL)

Ifthetemperaturemeasurementexceeds779°F(415°C),thethermometerwilldisplayOLin

placeofatemperaturereading.Ifthetemperaturemeasurementisbelow‐25°C(‐13°F),the

thermometerwilldisplay‐OLinplaceofatemperaturereading.

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EXTECHINSTRUMENTS

5IR260‐en‐GB_V1.21/16

SettingMode

ReleasethetriggerandpresstheSETbuttontoaccesstheSettingMode.UsetheSETbuttonto

navigatethroughtheSettingModefieldsanduse(UP)andtheMAX‐MIN(DOWN)

buttonstomakechanges.Theavailableparametersarelistedbelow:

Emissivitysetting

°C/°Ftemperatureunitsselection

TemperatureAlarmAudibleBeeperEnable/Disable

HighTemperatureAlarmLimitsetting

LowTemperatureAlarmLimitsetting

Thecorrespondingparametericonwillflashwhenselected.ToexittheSettingMode,press

andholdtheSETbuttonfortwoseconds.

EmissivitySetting

The iconwillflashwhenselected.UsetheupandMAX‐MINdownbuttonsto

increaseordecreasetheemissivity(in0.01steps).Theemissivityrangeis0.10to1.00.Hold

theupordownbuttontorapidlyincreaseordecreasetheemissivityvalue.PresstheSET

buttontoconfirmandtosteptothenextoption.

SelectingtheTemperatureUnitofMeasure(°C/°F)

Usethe upandMAX‐MINdownbuttonstoselect°Cor°F.PresstheSETbuttonto

confirmandtosteptothenextoption.

Enable/DisableAudibleTemperatureAlarm

Thisparameterisusedtoenable/disabletheaudibletemperaturealarm.Theiconwillflash

inthismode.

UsetheupandMAX‐MINdownbuttonstotogglethesetting.Whentheaudible

alarmisdisabled,thedisplaywillshow‘HIGHLOW’.Whentheaudiblealarmisenabled,the

displaywillshow.Whentheaudiblealarmisenabled,thebeeperisallowedto

soundwheneverthemeasuredtemperaturegoesbeyondthehighorlowtemperaturelimit

values.PresstheSETbuttontoconfirmandtosteptothenextoption.

HIGHTemperatureAlarmLimitSetting

UsetheupandMAX‐MINdownbuttonstoincreaseordecreasetheHighAlarm

TemperatureLimit(in0.1stepsfor°Cor0.2stepsfor°F).Holdingtheupordownbuttonwill

rapidlyincreaseordecreasetheHIGHlimitvalue.AbeepwillsoundiftheHIGHtemperature

valuereachestheLOWtemperaturevaluewhileprogramming.PresstheSETbuttonto

confirmandtosteptothenextoption.

LOWTemperatureAlarmLimitSetting

UsetheupandMAX‐MINdownbuttonstoincreaseordecreasetheLowAlarm

TemperatureLimit(in0.1stepsfor°Cor0.2stepsfor°F).Holdingdowntheupordown

buttonwillrapidlyincreaseordecreasetheLOWlimitvalue.AbeepwillsoundiftheLOW

temperaturevaluereachestheHIGHtemperaturevaluewhileprogramming.PresstheSET

buttontoconfirmandtosteptothenextoption.

EXTECHINSTRUMENTS

6IR260‐en‐GB_V1.21/16

LocatingHotorColdSpots

Todetectahotorcoldspot,aimthethermometerataregionbeyondthetargetandthenscan

theentireregioninaslow,up/downmotion.



DistancetoSpotRatio(FieldofView)

Themeter’sfieldofviewis12:1(distancetospotratio).Forexample,ifthemeteris24inches

fromthetarget(spot),thediameterofthetargetmustbeatleast2inches.Otherdistancesare

shownbelowinthefieldofviewdiagram.

Notethatmeasurementsshouldnormallybemadecloserthan2feetfromthetarget.Themeter

canmeasurefromfurtherdistancesbutthemeasurementmaybeaffectedbyexternalsources

oflight.Inaddition,thespotsizemaybesolargethatitencompassessurfaceareasnotintended

tobemeasured.



Itisnecessarytoensurethatthesizeofthetargetislargerthanthespotsize.Thesmallerthe

target,thecloserthedistanceshouldbe.Seetheaccompanyingdiagram.

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Emissivity

Emissivityrepresentstheenergyreflectivityofamaterial.Mostorganicmaterialsandpainted

oroxidizedsurfaceshaveanemissivityofapproximately0.95.Ifpossible,maskingtapeorflat

blackpaintshouldbeappliedtocoverthemeasuredsurface.

Waitaperiodoftimetoallowthetapeorpainttoreachthermalequilibriumwiththesurface

ofthecoveredobject.Measurethetemperatureofthesurfacecoveredwithtapeorpaintonly

afterequilibriumhasbeenachieved.

EXTECHINSTRUMENTS

7IR260‐en‐GB_V1.21/16

MeasurementNotes

1. Theobjectundertestshouldbelargerthanthespot(target)sizecalculatedbythefieldof

viewdiagram.

2. Ifthesurfaceoftheobjectundertestiscoveredwithfrost,oil,grime,etc.,cleanbefore

takingmeasurements.

3. Ifanobject'ssurfaceishighlyreflectiveapplymaskingtapeorflatblackpainttothesurface

beforemeasuring.

4. Themetermaynotmakeaccuratemeasurementsthroughtransparentsurfacessuchas

glass.

5. Steam,dust,smoke,etc.canobscuremeasurements.

6. Themetercompensatesfordeviationsinambienttemperature.Itcan,however,takeupto

30minutesforthemetertoadjusttoextremelywideambienttemperaturechanges.

7. Tofindahotspot,aimthemeteroutsidetheareaofinterestthenscanacross(inanupand

downmotion)untilthehotspotislocated.

Maintenance

Cleaning

Tocleanthelensesusecompressedairtocleardustandotherparticles,thencarefullyclean

withawetcottonswab.Thecottonswabshouldbemoistenedwithcleanwater.

Tocleanthemeterhousing,wipewithadamp,softcloth.Donotusesolventsorabrasives.Do

notimmersetheIR260inwaterorotherliquid.

Troubleshooting

SymptomProblemAction

OLdisplayTargettemperatureexceedsrangeSelectatargetwithinrange

‐OLdisplayTargettemperatureunder‐rangeSelectatargetwithinrange

BatteryiconflashesLowBatterypowerReplaceBatteries

BlankdisplayscreenLowbatterypowerCheckand/orreplacebatteries

NoLaserpointerLowbatteryorenvironmental

temperaturehigherthan40°C(104°F)

Replacethebatteries ormovethe

IR260toanareawithalower

ambienttemperature

EXTECHINSTRUMENTS

8IR260‐en‐GB_V1.21/16

ReplacingBatteries

Whenthebatteryiconflashes,orwhenthemeterdoesn’tswitchON,replacethebatteries.

Thebatterycompartmentislocatedinthehandlegrip.Thebatterycompartmentlidislocated

justbelowthetrigger.Prythecompartmentlidofftoreachthecompartment.

Replacethe1.5VAAbatteriesfollowingcorrectpolarityandthenclosethebatterycompartment

lid.

BatterySafetyNotes:Pleasedisposeofbatteriesresponsibly;neverdisposeofbatteriesinafire,

batteriesmayexplodeorleak.Ifthemeterisnottobeusedfor60daysormore,removethe

batteryandstoreseparately.Donotmixbatterytypesorfreshnesslevels;pleaseusebatteries

ofthesametypeandofthesamefreshnesslevel.



Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.

Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriatecollection

sites,theretailstorewherethebatterieswerepurchased,orwhereverbatteriesaresold.



Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotake

end‐of‐lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronic

equipment.



EXTECHINSTRUMENTS

9IR260‐en‐GB_V1.21/16

Specifications

InfraredThermometerSpecifications

Range/Resolution‐20.0to400.0oC(‐4.0to752.0oF)

Accuracy‐20~0oC(‐4~32oF):±5°C(9°F)

0~400oC(32~752oF)±2°C(3.6°F)or2%ofreading(whicheverisgreater)

Note:Accuracyisspecifiedforthefollowingambienttemperaturerange:

21to25°C(70to77°F)

EmissivityAdjustablefrom0.10to1.00

FieldofView12:1DistancetoSpotratio

LaserpowerLessthan1mW

Spectralresponse630to670nm(wavelength)

GeneralSpecifications

Display BacklitLCDdisplaywithfunctionindicators

Displayrate500msapprox.

OperatingTemperature 0°Cto40°C(32°Fto104°F)

OperatingHumidityMax.75%RH

PowerSupplyTwo1.5VAAAlkalinebatteries

AutomaticPowerOffMetershutsoffautomaticallyafter9seconds

Weight 226g(8.0oz.)

Dimensions172x97x46mm(6.8x3.8x1.8”)

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

ISO‐9001Certified

www.extech.com

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