Teledyne 633 Carbon Monoxide Alarm User Manual


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Model 633 Aethalometer
®
Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation
54 07645A DCN6170
Automaticflowcalibrationprocedure:
7.Connecttheflowmetertotheinletof
theAethalometer,notetheorientation!
Connectthedatacabletotheserial
connectoronthebackofthe
Aethalometer,thenpressOK.
8.Onceyou’vepressedOKtostartthe
flowcalibration,waitforittofinish,
andpressOKwhenprompted.
Thedisplaycontinueswithpromptsfor
completingtheprocedure,i.e.,waitfor
chambertolift,removeflowpad,return
tape,waitforchambertoreturntohome
position,etc.,untiltheentireprocedureis
complete.
Aftercompletionofautomatic(ormanual)
flowcalibrationandtheinstrumentis
returnedtooperationmode,notethatthe
intakeflowreportedfromaflowmeter
doesnotmatchthereportedflowonthe
frontpanelofthe633.Thisisnormaldue
toleakagearoundthefiltertapeas
discussedinSection5.2.Thedifferencein
flowmaybefrom4–7%andthe633
compensatesforthisdifferenceduringthe
BCcalculation.
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