Extech Instruments CO30 User manual
USERGUIDE
DigitalCOMonitor
ModelCO30
EXTECHINSTRUMENTS
CO30USERGUIDE2CO30‐en‐GB_v1.612/14
Introduction
ThankyouforselectingtheExtechInstrumentsModelCO30.TheCO30isa3‐in‐oneCarbon
Monoxide(CO),temperaturemeasurement,andhumiditymeasurementmeter.Thisdeviceis
shippedfullytestedandcalibratedand,withproperuse,willprovideyearsofreliableservice.
Pleasevisitourwebsite(www.extech.com)tocheckforthelatestversionofthisUserGuide,
ProductUpdates,andCustomerSupport.
Description
MeterDescription
1. Compensationadjustment
2. Controlbutton
3. ACAdaptorjack
4. LCDDisplay
5. LEDindicator
Note:TiltStand,Wallmountaccess,andbatterycompartmentlocatedonrearofmeter.
IMPORTANTSAFETYNOTES
TheCO30CarbonMonoxideMonitorisintendedforgeneralpurposeAirQualitymonitoring
only,andhasnotbeencertifiedforusepursuanttoanystateorcitysafetyCarbonMonoxide
AlarmorMonitoringrequirements.
TheCO30CarbonMonoxideMonitorhasnotbeentestedbyanindependentlabtocomplywith
UL2034orIAS6‐96standard.
Itistheresponsibilityofthecustomertoobtainandapplycurrentlocal,state,andnational
regulationswithregardtoCOalarms,monitoringandtesting.
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EXTECHINSTRUMENTS
CO30USERGUIDE3CO30‐en‐GB_v1.612/14
Operation
Poweringthemeter
Ifthemeterissuppliedwithoutbatteriesinstalled,installthesuppliedbatteriesintherear
batterycompartmenttopowerthemeter.Pleaseobserveproperpolarity.
Ifthemeterissuppliedwiththebatteriesinstalled,andaprotectivebatterystripisinstalledin
thebatterycompartment,removetheprotectivestriptopowerthemeter.
Alternatively,plugtheACadaptorintothejackonthesideofthemeterandthenintoanAC
powersourcetopowerthemeter.
NormalOperationMode
WhenswitchedON,theLCDdisplays‘0000’foraperiodoftime,dependingonthetimethatthe
meterhasbeeninactive.Themeterwillthenproceedtothenormalmodeofoperationwhere
theLCDdisplaysthecurrentCOlevelsinppm,theTemperature(°C/°F),andRH%(relative
humidity)alternatelyevery6seconds.
StatusIndicatorLED
TheFrontpanelstatusLEDusesacolor‐codingsystemtoinformtheuserastothemeasuredCO
concentration;GreenforGood(<10ppm);YellowforCaution(10to29ppm);RedforDanger
(>30ppm).IftheLEDfailstoilluminatepleasereturntheunitforservice.
Controlbutton
TheControlbuttonlocatedontheleftsideofthemeterisusedtocontrolandprogramavariety
ofmeterfunctions.PressandholdtheControlbuttonforatleast3secondstoaccessthe
ControlSetupMode.RepeatedpressesoftheControlbuttoncyclethroughtheavailable
parameters.Theseparameters,inorder,are:
ZEROCalibration
TemperatureUnitselection(°C/°F)
Temperaturecompensation(usedinconjunctionwithsidepotentiometer)
Humiditycompensation(usedinconjunctionwithsidepotentiometer)
AlarmBeeperThreshold(25,30,35,50,100,200ppm)
FactoryDefaultsettingreset
Escape/Return(abortandreturntonormalmode)
ZEROCalibration
EnsurethattheZeroCalibrationisperformedinacleanairenvironment(noCOgases).
PressandholdtheControlbuttonfor3seconds(until appearsontheLCDscreen)and
thenpressandholdtheControlbuttonagaintoenterthecalibrationmode(‘CAL’should
appearonthedisplay).
EXTECHINSTRUMENTS
CO30USERGUIDE4CO30‐en‐GB_v1.612/14
ReleasetheControlbuttonandwaitapproximately20secondsforthecalibrationto
complete.Themeterwilldisplay‘END’for2secondswhencalibrationiscompleteandwill
thenreturntothenormalmodeofoperation.
ChangingTemperatureUnitsC/F
When isshownonthedisplay,pressandholdtheControlbuttontodisplaythecurrent
temperatureunit.MomentarilypresstheCalibrationControlbuttontotoggle°Cand°F
units.Tosavesetting,pressandholdtheControlbutton.Themeterwillreturntothe
normalmode.
TemperatureCompensationAdjustment
When isshownonthedisplay,pressandholdtheControlbutton.Thefactorydefault
‘0.0’valuewillflash.Turnthecompensationpotentiometerclockwisetoincreasethe
temperatureoffsetorcounterclockwisetodecreaseoffset).Therangeis‐5.4°Fto+5.4°F(‐
3.0°Cto+3.0°C).Whendone,pressandholdtheControlbuttontosavethesetting.The
meterwillreturntothenormalmeasurementmodeandwillreflecttheoffsetwhen
temperaturereadingsaredisplayed.
Note:Toperformanaccurateoffsetadjustment,astandardreferenceisrequiredfor
comparison.
EXTECHINSTRUMENTS
CO30USERGUIDE5CO30‐en‐GB_v1.612/14
RelativeHumidityCompensationAdjustment
When isshownonthedisplay,pressandholdtheControlbuttontoentertherelative
humiditycompensationadjustmentmode.MomentarilypresstheControlbuttontomakea
stepchangeintheRH%offset;therangeis‐9to+9RH%.Whendone,pressandholdthe
Controlbuttontosavethesetting.Themeterwillreturntothenormalmode.
Note:Toperformanaccurateoffsetadjustment,astandardreferenceisrequiredfor
comparison.
Warning:WhileperformingtemperatureorRH%compensationadjustmentsdonottouch
theslottedopeningsonthemeterhousing,thesearewherethesensorsarelocated.
Otherwise,accuracymaybecompromised.
Note:Ifthemeterdisplays‘ ’presstheControlbuttonto
steptothenextsetting.
AlarmBeeperThresholdSelection
When isshownonthedisplay,pressandholdtheControlbutton.Thefactorydefault
settingwillflash.MomentarilypresstheControlbuttontochoosea25ppm,30ppm,
35ppm,50ppm,100ppm,or200ppmthreshold.Aftertheselection,pressandholdthe
Controlbuttontosaveandreturntothenormalmode.
Thealarmbeeperpromptspersonneltoevacuateanareabecauseofthedetectionof
unsafeconcentrationsofCO.ThemeteralarmswhentheCOconcentrationexceedsthe
defaultoruser‐programmedthreshold.
Thebeepermaybetemporarilysilencedforapproximately4minutesbypressingthe
Controlbutton.Afterthistime,ifthemetercontinuestodetectaCOconcentration
exceedingthethreshold,itwillalarmagain.Forsafetypurposes,themeteralarmfunction
cannotbecompletelydisabled.
EXTECHINSTRUMENTS
CO30USERGUIDE6CO30‐en‐GB_v1.612/14
ReverttoFactoryDefaultSettings
When isshownontheLCDdisplay,pressandholdtheControlbuttontoresetthe
CO30toitsdefault(factory)settings.
Escape/ReturnFunction
When isshownontheLCDdisplay,pressandholdtheControlbuttonfor3secondsto
abortthecurrentprogrammingstepandreturntothenormalmeasurementmode.
Maintenance
LowBatteryCondition
Whenthebatteryicon()appearsontheLCD,thebatteriesmustbereplaced.Ifthemeteris
lowonbatteryvoltage,erraticorinaccurateCOconcentrationreadingsmayresult.Neveruse
themeterwiththelowbatteryicondisplayed.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriate
collectionsites,theretailstorewherethebatterieswerepurchased,orwherever
batteriesaresold.
Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotake
end‐of‐lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronic
equipment.
TroubleshootingErrorCodes
ThefollowingerrorsmayappearontheCO30display:
E‐1:COmeasurementexceedsspecifiedmeasurementrange
E‐2:Temperaturemeasurementexceedsspecifiedmeasurementrange
E‐3:RelativeHumidity(RH%)measurementexceedsspecifiedmeasurementrange
EXTECHINSTRUMENTS
CO30USERGUIDE7CO30‐en‐GB_v1.612/14
Specifications
DisplayMultifunctionLCDdisplaysCOconcentration,Air
Temperature,andRelativeHumidity
StatusLEDindicatorTri‐colorstatusindication(Green<10ppm,Yellow:10to
29ppm,andRed>30ppm)
COmeasurementrange 0to999ppm
COaccuracy ±5%ofreadingor±10ppm
COResolution 1ppm
Temperaturemeasurementrange0to50°C(32to122°F)
TemperatureResolution 0.1°C(0.1°F)
Relativehumiditymeasurementrange20to90%RH
RHResolution 1%RH
TemperatureAccuracy ±1°C/1.8°F
RelativeHumidityAccuracy ±5%
AlarmfunctionalityMeterbeepsanddisplaysthealarmbelliconwhentheCO
levelexceedsthealarmsetpoint(defaultsetpointis30ppm,
useradjustable)
TemperatureandRHCompensationManual;user‐adjustable
COCalibration Standarduserfunction
ZeroCalibration Standarduserfunction
Power4xAAAbatteriesorsuppliedUniversalACadaptor
Meterdimensions 113x108x53mm(4.4x4.3x2.1in.)
LCDdisplaydimensions 48x28mm(1.9x1.1in.)
Weight159g(5.6oz.)
Copyright©2014FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
www.extech.com
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