SamplingDataLoggerUser’sManual CO2Meter.com
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Settings
Settings–allowsyoutoaccessalltheparameters,options,outputs,communications,anddate/timesettingstobe
changedorprogrammed.
DisplaySettings
Hereyoucanchangethebrightnessandcolortheme(3available)onthedeviceandyoucanalsoactivateaScreen
Timeouttosavepower.Thissettingwillnotaffectthemeter’sfunctionalitybutwillaffectthebatterylife
dependingonhowyousetthisparameter.
PortSettings
HereyoucanconfigureandactivateportsthatcontroladditionalaccessoriessuchasthedeviceModbusaddress.
Pleasecalltechnicalsupportforguidanceandimportantinformationbeforemakingchangestotheconfiguration
ofanyoftheseports.
Time/DateSettings
Hereyoucanchangethedateandtimeonthemeterformoreaccuratereferenceontherecords.Thedefaulttime
ofyourmetercouldvarydependingonyourlocation.Revie wthesesettingsbeforeyoustartusingthemeter.
LoggingSettings
AllCMDataLoggersarepreconfiguredtosampleonceeveryfiveseconds.Ifthisdoesnotworkforyour
application,contactaCO2Metertechnicianforinstructionsonhowtomodifythesamplingrate.
IMPORTANT:
ALTERINGTHEPUMPPERIOD,DATALOGGINGINTERVAL,PWMPERIODORPUMPMODEINGASLAB®TO
CHANGETHESAMPLERATEWITHOUTSPEAKINGWITHACO2METERTECHNICIANFIRSTMAYVOIDYOURWARRANTY.
UsingtheFilters
Inordertousethismeterproperly,hoses/tubingmustbeattachedtotheinletandoutletbarbfittingssecurely.
Thepumpwilldrawairfromtheinletbyvacuumeffect,pushittothesensingchamberthroughthesensor,and
thenexhausttheairoutsidethemeterthroughtheoutlet.
ClosedLoopOperation
Figure4:ClosedLoop