Extech Instruments CO30 Manuale utente

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USERGUIDE

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DigitalCOMonitor

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ModelCO30

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EXTECHINSTRUMENTS

CO30USERGUIDE2CO30‐en‐GB_v1.612/14

Introduction

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ThankyouforselectingtheExtechInstrumentsModelCO30.TheCO30isa3‐in‐oneCarbon

Monoxide(CO),temperaturemeasurement,andhumiditymeasurementmeter.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.

Description

MeterDescription

1. Compensationadjustment

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2. Controlbutton

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3. ACAdaptorjack

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4. LCDDisplay

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5. LEDindicator

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Note:TiltStand,Wallmountaccess,andbatterycompartmentlocatedonrearofmeter.

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IMPORTANTSAFETYNOTES

TheCO30CarbonMonoxideMonitorisintendedforgeneralpurposeAirQualitymonitoring

only,andhasnotbeencertifiedforusepursuanttoanystateorcitysafetyCarbonMonoxide

AlarmorMonitoringrequirements.

TheCO30CarbonMonoxideMonitorhasnotbeentestedbyanindependentlabtocomplywith

UL2034orIAS6‐96standard.

Itistheresponsibilityofthecustomertoobtainandapplycurrentlocal,state,andnational

regulationswithregardtoCOalarms,monitoringandtesting.

EXTECHINSTRUMENTS

CO30USERGUIDE3CO30‐en‐GB_v1.612/14

Operation

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Poweringthemeter

Ifthemeterissuppliedwithoutbatteriesinstalled,installthesuppliedbatteriesintherear

batterycompartmenttopowerthemeter.Pleaseobserveproperpolarity.

Ifthemeterissuppliedwiththebatteriesinstalled,andaprotectivebatterystripisinstalledin

thebatterycompartment,removetheprotectivestriptopowerthemeter.

Alternatively,plugtheACadaptorintothejackonthesideofthemeterandthenintoanAC

powersourcetopowerthemeter.

NormalOperationMode

WhenswitchedON,theLCDdisplays‘0000’foraperiodoftime,dependingonthetimethatthe

meterhasbeeninactive.Themeterwillthenproceedtothenormalmodeofoperationwhere

theLCDdisplaysthecurrentCOlevelsinppm,theTemperature(°C/°F),andRH%(relative

humidity)alternatelyevery6seconds.

StatusIndicatorLED

TheFrontpanelstatusLEDusesacolor‐codingsystemtoinformtheuserastothemeasuredCO

concentration;GreenforGood(<10ppm);YellowforCaution(10to29ppm);RedforDanger

(>30ppm).IftheLEDfailstoilluminatepleasereturntheunitforservice.

Controlbutton

TheControlbuttonlocatedontheleftsideofthemeterisusedtocontrolandprogramavariety

ofmeterfunctions.PressandholdtheControlbuttonforatleast3secondstoaccessthe

ControlSetupMode.RepeatedpressesoftheControlbuttoncyclethroughtheavailable

parameters.Theseparameters,inorder,are:

ZEROCalibration

TemperatureUnitselection(°C/°F)

Temperaturecompensation(usedinconjunctionwithsidepotentiometer)

Humiditycompensation(usedinconjunctionwithsidepotentiometer)

AlarmBeeperThreshold(25,30,35,50,100,200ppm)

FactoryDefaultsettingreset

Escape/Return(abortandreturntonormalmode)

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ZEROCalibration

EnsurethattheZeroCalibrationisperformedinacleanairenvironment(noCOgases).

PressandholdtheControlbuttonfor3seconds(until appearsontheLCDscreen)and

thenpressandholdtheControlbuttonagaintoenterthecalibrationmode(‘CAL’should

appearonthedisplay).

EXTECHINSTRUMENTS

CO30USERGUIDE4CO30‐en‐GB_v1.612/14

ReleasetheControlbuttonandwaitapproximately20secondsforthecalibrationto

complete.Themeterwilldisplay‘END’for2secondswhencalibrationiscompleteandwill

thenreturntothenormalmodeofoperation.

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ChangingTemperatureUnitsC/F

When isshownonthedisplay,pressandholdtheControlbuttontodisplaythecurrent

temperatureunit.MomentarilypresstheCalibrationControlbuttontotoggle°Cand°F

units.Tosavesetting,pressandholdtheControlbutton.Themeterwillreturntothe

normalmode.

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TemperatureCompensationAdjustment

When isshownonthedisplay,pressandholdtheControlbutton.Thefactorydefault

‘0.0’valuewillflash.Turnthecompensationpotentiometerclockwisetoincreasethe

temperatureoffsetorcounterclockwisetodecreaseoffset).Therangeis‐5.4°Fto+5.4°F(‐

3.0°Cto+3.0°C).Whendone,pressandholdtheControlbuttontosavethesetting.The

meterwillreturntothenormalmeasurementmodeandwillreflecttheoffsetwhen

temperaturereadingsaredisplayed.

Note:Toperformanaccurateoffsetadjustment,astandardreferenceisrequiredfor

comparison.

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EXTECHINSTRUMENTS

CO30USERGUIDE5CO30‐en‐GB_v1.612/14

RelativeHumidityCompensationAdjustment

When isshownonthedisplay,pressandholdtheControlbuttontoentertherelative

humiditycompensationadjustmentmode.MomentarilypresstheControlbuttontomakea

stepchangeintheRH%offset;therangeis‐9to+9RH%.Whendone,pressandholdthe

Controlbuttontosavethesetting.Themeterwillreturntothenormalmode.

Note:Toperformanaccurateoffsetadjustment,astandardreferenceisrequiredfor

comparison.

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Warning:WhileperformingtemperatureorRH%compensationadjustmentsdonottouch

theslottedopeningsonthemeterhousing,thesearewherethesensorsarelocated.

Otherwise,accuracymaybecompromised.

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Note:Ifthemeterdisplays‘ ’presstheControlbuttonto

steptothenextsetting.

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AlarmBeeperThresholdSelection

When isshownonthedisplay,pressandholdtheControlbutton.Thefactorydefault

settingwillflash.MomentarilypresstheControlbuttontochoosea25ppm,30ppm,

35ppm,50ppm,100ppm,or200ppmthreshold.Aftertheselection,pressandholdthe

Controlbuttontosaveandreturntothenormalmode.



Thealarmbeeperpromptspersonneltoevacuateanareabecauseofthedetectionof

unsafeconcentrationsofCO.ThemeteralarmswhentheCOconcentrationexceedsthe

defaultoruser‐programmedthreshold.

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Thebeepermaybetemporarilysilencedforapproximately4minutesbypressingthe

Controlbutton.Afterthistime,ifthemetercontinuestodetectaCOconcentration

exceedingthethreshold,itwillalarmagain.Forsafetypurposes,themeteralarmfunction

cannotbecompletelydisabled.

EXTECHINSTRUMENTS

CO30USERGUIDE6CO30‐en‐GB_v1.612/14

ReverttoFactoryDefaultSettings

When  isshownontheLCDdisplay,pressandholdtheControlbuttontoresetthe

CO30toitsdefault(factory)settings.



Escape/ReturnFunction

When isshownontheLCDdisplay,pressandholdtheControlbuttonfor3secondsto

abortthecurrentprogrammingstepandreturntothenormalmeasurementmode.

Maintenance

LowBatteryCondition

Whenthebatteryicon()appearsontheLCD,thebatteriesmustbereplaced.Ifthemeteris

lowonbatteryvoltage,erraticorinaccurateCOconcentrationreadingsmayresult.Neveruse

themeterwiththelowbatteryicondisplayed.

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.

TroubleshootingErrorCodes

ThefollowingerrorsmayappearontheCO30display:

E‐1:COmeasurementexceedsspecifiedmeasurementrange

E‐2:Temperaturemeasurementexceedsspecifiedmeasurementrange

E‐3:RelativeHumidity(RH%)measurementexceedsspecifiedmeasurementrange

EXTECHINSTRUMENTS

CO30USERGUIDE7CO30‐en‐GB_v1.612/14

Specifications

DisplayMultifunctionLCDdisplaysCOconcentration,Air

Temperature,andRelativeHumidity

StatusLEDindicatorTri‐colorstatusindication(Green<10ppm,Yellow:10to

29ppm,andRed>30ppm)

COmeasurementrange 0to999ppm

COaccuracy  ±5%ofreadingor±10ppm

COResolution  1ppm

Temperaturemeasurementrange0to50°C(32to122°F)

TemperatureResolution 0.1°C(0.1°F)

Relativehumiditymeasurementrange20to90%RH

RHResolution   1%RH

TemperatureAccuracy  ±1°C/1.8°F

RelativeHumidityAccuracy ±5%

AlarmfunctionalityMeterbeepsanddisplaysthealarmbelliconwhentheCO

levelexceedsthealarmsetpoint(defaultsetpointis30ppm,

useradjustable)

TemperatureandRHCompensationManual;user‐adjustable

COCalibration  Standarduserfunction

ZeroCalibration  Standarduserfunction

Power4xAAAbatteriesorsuppliedUniversalACadaptor

Meterdimensions  113x108x53mm(4.4x4.3x2.1in.)

LCDdisplaydimensions  48x28mm(1.9x1.1in.)

Weight159g(5.6oz.)



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

www.extech.com

Indice

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