Extech Instruments CO50 Manuel utilisateur

USERGUIDE

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DesktopCarbonMonoxideMonitor

ModelCO50

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EXTECHINSTRUMENTS

2CO50‐en‐GB_V1.212/14

Introduction

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ThankyouforselectingtheExtechInstrumentsModelCO50,thismetermeasurescarbon

monoxide(CO),airtemperature,andhumidity.TheCO50canbeusedtocheckindoorairquality

andcarbonmonoxideproblemareas.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

Largefour‐tieredLCDSimultaneouslydisplaysCOconcentration,AirTemperature,andRelative

HumiditywithDateandTime

Desktopstylewithaudiblealarm

Latestsmartmeasurementtechnology

Easytouse,intendedforindoorairqualitymonitoring

BrightmulticolorLEDrepresentingRecording(Green),Alarm(Red),Startup(Orange)

99datapointmemory

UseradjustableCOAlarmlimit(default30ppm)

Max.readingutility

ElectrochemicalCOsensor,measuresupto999ppm

IncludesUniversalACadaptor(100‐240V)forUS,EU,UK,andAUSplugtypes

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IMPORTANTSAFETYNOTES

TheCO50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CO50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

3CO50‐en‐GB_V1.212/14

MeterDescription

ButtonDescription

SETButton:

Setdateandtime

AudibleAlarmON/OFF(SET+MODE)

AlarmLimitAdjustment

Togglethetimeformat(12/24clock)

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SEL/RECALLButton:

Movetonextdigit

Shortpresstosavecurrentreading

Longpresstorecallstoredreading

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C/F/%RHButtonwithuparrow:

Increaseavalue

Pressandholdtoswitchtemperatureunits

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MODEButtonwithdownarrow:

Decreaseavalue

ReviewMaximum(MAX)reading

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MeterDescription

1. TopLCDdisplayforCOconcentration

2. MiddleLCDdisplayforRHandtemperature

3. BottomLCDdisplayTimeandDate

4. PowerAdaptorjack

5. Push‐buttoncontrols

6. MulticolorLEDindicatorlight

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LEDIndicatorDescription

WhenmeterispoweredontheLEDisilluminatedorange

InnormalmodewithmeterON,LEDisnotilluminated

EachtimeareadingisstoredinmemorytheLEDflashesgreenandtheaudiblebeepersounds

WhenthealarmistrippedtheLEDflashesredandtheaudiblebeepersounds

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EXTECHINSTRUMENTS

4CO50‐en‐GB_V1.212/14

Operation

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POWERTHEMETER

PlugtheACadaptorintometerandreceptacletoturnonthe

meter.Resetthedateandtimeeachtimethemeterpoweris

cycled.RemovetheadaptororswitchofftheACpowersource

toshutdownthemeter.

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GETTINGSTARTED

AllLCDdisplaylineswillswitchONwhenpowerisappliedto

meter.TheLEDindicatorwillalsobeONsteadywithanorange

color.Thedisplaywillnowautozero.Autozerotakes

approximately60secondsandthenthemetercountsdown

from9to0.Themeterisnowinthenormaloperatingmode.

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WhenattemptingtomanuallystorethecurrentCOreading,theLEDlightturnsgreenforone

secondandashortbeepertonewillsound.

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TheLCDsshowthecurrentCOvalueinppm(top),ambienttemperature/relativehumidity

(middle),andthedateandtime(bottom).

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TogglethetemperatureunitsbypressingandholdingtheC/F/%RH▲button.

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SETTINGDATE/TIME

Innormaloperation,themeteralternatesthedateandtimedisplays.

PresstheSETbuttontoswitchbetweenthe12‐hoursystem(am/pm)

andthe24‐hoursystem.Notethatthedefaulttimedisplayisa24‐

hourclockformat.

1. PressandholdSETfor3secondstoseeimageatright.

2. Press▼todecreaseanumberorpress▲toincreaseanumber

3. PressSEL/RECALLECALLtoscrollthroughtheYEAR‐MONTH‐DAY

4. WhenfinishedchangingtheDate,pressSETtochangetheTime

5. Press▼todecreasenumberorpress▲toincreasenumber

6. PressSEL/RECALLECALLtoscrollthroughHR‐MIN‐SEC

7. PressSETtoaccessthealarmsetting(seeAlarmsection).

8. Toexit,pressandholdSETfor3seconds.

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EXTECHINSTRUMENTS

5CO50‐en‐GB_V1.212/14

MAXIMUMREADING

PresstheMODE▼button,theLCDwillshowthemaximumreadingsincethemeterwasfirst

powered.Pressagaintoreturntothenormalmeasurementmode.

Toclearthemaximumreading:EntertheMaximummodeand,whenMAXIconappears,press

andholdtheSETbutton,“Clr”appearsforconfirmationofclearcommand.

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COALARMSETTING

1. PressandholdtheSETbuttonfor3secondstoenterthesetupmode

2. PressSETagaintoskiptheDatesetting(settheDateifdesiredperearlierinstructions)

3. PressSETagaintoskiptheTimesetting(SettheTimeifdesiredperearlierinstructions)

4. Aflashingdigitwillappear.Usetheup▲anddown▼arrowstoincrease/decreasethe

alarmthreshold.PressSEL/RECALLtomovetothenext

digit.Thereare3digitplaceswithamaximumsettingof

999pm(30ppmisthedefault).

5. PressandholdSETfor3secondstosaveandreturnto

thenormalmeasurementmode.

Whilealarmistripped,theLEDwillflashredevenif“beeper

audiooff”isselected.Tosilencethebeeperwheninanalarm

condition,pressSETandMODEatthesametime.TheredLED

willcontinuetoflash,however,untiltheenvironmentalCO

levelnolongerexceedsthedefaultoruserselectedAlarm

level.Remembertoreactivatethebeeperforfutureuse.

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EXTECHINSTRUMENTS

6CO50‐en‐GB_V1.212/14

AUDIBLEALARMBEEPER(ON/OFF)

Bydefault,thebeeperissetON,andtheLCDshowsthebelliconontheleftsideoftheLCD

screen.

ToswitchOFFtheaudiblealarmtemporarily:Fromthenormalmeasurementmode,pressthe

SET+MODE▼buttonatthesametime(thebellicondisappears).After4minutesthealarm

willturnonagainautomatically.TocomplywithULregulations(2013),thebeepervolumeis85

dBatadistanceof3meters(9.8feet).

TheAlarmbeeperwillsoundwhentheenvironmentalCOlevelexceedstheDefault(30ppm)or

userselectedlevel.

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BEEPERON BEEPEROFF

EXTECHINSTRUMENTS

7CO50‐en‐GB_V1.212/14

MANUALLYSTORE/RECALL99COREADINGS

TheCO50canmanuallystoreaCOreadingwithapressoftheSEL/RECALLbutton.TheLCD

showsthecurrentrecordnumber(01‐99)inthehumidityreadingareaeachtimeareadingis

manuallystored(ashortbeepwillsoundeachtimeareadingisstoredalso).

Torecallstoredreadings,pressandholdtheSEL/RECALLButton,theLCDshowsthenumberof

therecordwithitsCOreading,toscrollotherstoredreadingsusethe▲and▼buttons.

Toclearstoreddata:

AccesstheRecallmodeandpressandholdtheSETbuttonuntil“Clr“appearsonLCD.TheLCD

automaticallyreturnstonormalmode.

Theillustrationbelowontheleftshowsamanuallyrecordedreading(readingnumber‘05’inthis

case);themiddleillustrationshowstherecalledreading;theillustrationontherightshows

readingscleared.

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COCALIBRATION

Itisrecommendedthatthemeterbecalibratedmonthlyinacleanair

environment.

Fromthenormalmeasurementmode,pressandholdtheMODE▼

buttonforatleast6secondstoentercalibrationmode.

TheLCDshowsCALandanumberrepresentingthetimeremainingin

thecalibration(15seconds).Themeterreturnstothenormal

measurementmodeautomaticallywhencalibrationiscomplete.

Warning:EnsurethatnoCOconcentrationispresentwhilecalibrating.

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ReadingstoredReadingRecalled ReadingCleared

EXTECHINSTRUMENTS

8CO50‐en‐GB_V1.212/14

Specifications

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MeasurementsCO(ppm),TemperatureoF/oC,andRH%

COmeasurementrange000to999ppm

COresolution1ppm

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

COSensorElectrochemicaltype

AlarmalertRedLEDandaudiblebeeper>85dB(3mdistance)

Temperaturerange‐10to60oC(14to140oF)

Temperatureresolution0.1oC/oF

TemperatureAccuracy±0.6oC(1.2oF)

RHrange10to90%RH

RHResolution0.1%RH

RHAccuracy±5%RH(at25oC)otherwise±7%

Memorycapacity99datapoints

PowerACadaptor

Dimensions155x87x81mm(6.1x3.4x3.2”)

Weight165g(5.8oz.)

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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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