Teledyne 633 Manual

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Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer

®

Black Carbon Monitor User Manual

07645A DCN6170 39

4.2InstrumentStatus

Theinstrument’scurrentstatusconditionisdisplayedindecimalformatonthefrontpanel

HOMEscreenandintheStatuscolumnofthedatadownload.Thestatusconditionrelatesto

varioussubcomponentsoftheinstrument,e.g.,Detector,Flow,LED,etc.Thedecimalnumber

representsasumofallofthestatusconditionsoccurringatanygiventime.(Multiplestatus

conditionsareinterpretedusingsubtractionofthelargestpossibleStatusConditionvalue

usingthetablebelow.

Table 1. Status Conditions and Descriptions.

Parameter

Status

Condition

Description

0 measuring

1 notmeasuring(duetoeithertapeadvance,fast

calibrationinprogress)

2 calibrating(LED,Flow,TapeSensors)

Detector

3 stopped

flowOK

4 flowlow/highbymorethan0.25LPM

8 Flowcheckstatushistory

Flow

12 FlowL/Handcheckstatushistory

LEDsOK

16 calibrating

32 calibrationerrorinoneormorechannels

(atleastonechannelOK)

LED

48 lederror(allchannelscalibrationerror,COMerror)

 tapeadvanceOK

128 tapewarning(lessthan10spotsleft)

256 tapelastwarning(cardboxvisible,lessthan5spotsleft)

Tape

Advance

384 tapeerror(tapenotmoving,endoftape)

Notest

1024 Stabilitytest

2048 Cleanairtest

Tests

3072 Changetape



WhenStatusCondition3isencountered,theAethalometerstops.Inallotherstatuses,it

continuestooperatewithawarning,andthedataisflaggedaccordingly.Thestatusisrep‐

resentedbyonevalue,whichcanpointtooneparameteroracombinationofparameters.