Teledyne 633 Manual

A SERVICE OF

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Model 633 Aethalometer

®

Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation

60 07645A DCN6170

Manualflowcalibrationprocedure:

13. Thescreendisplaysa

message,“Waitfor

calibrationtofinish”,and

thendisplaysnoticewhen

thecalibrationisfinished

andpromptsusertowait

fornextsteps.



14. Removetheflow

calibrationpad,reinsert

andtightentape,andpress

OK,andwaitforthe

chambertoreturntohome

position.



After completion of manual (or automatic) 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.

Therewillbesomefaultspresentontheunitaftertheflowcalibrationiscomplete.Toremove

thefaults,powerdowntheinstrumentwithboththefrontandbackpowerswitches,andthen

re‐startandallowittocyclethroughtheself‐test.

Themanualflowcalibrationisnowcomplete.

Toresumetakingmeasurements,gototheOPERATION>GENERALtabandpressStart.