Teledyne 633 Manual

A SERVICE OF

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07645A DCN6170 5

1 INTRODUCTION

1.1Description

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Figure1.TheAethalometer®Model633.

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TheModel633representsthe“NextGeneration”versionofthereal‐timeAethalometerrack‐

mountinstrumenttomeasureBlackCarbon(BC)particlesinair.Pleaserefertotheoriginal

MageeScientificAethalometermanualforafulldescriptionandbackgroundinformationon

themethod(http://mageesci.com/images/stories/docs/Aethalometer_book_2005.07.03.pdf).

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TheModel633Aethalometerincorporatesscientificandtechnicaladvancesdesignedtooffer

improvedmeasurementperformanceversuspreviousversionsoftheAethalometerandother

BC instruments, user features, communications and interface, and the ability to perform

routine performance tests to verify correct operation. Most importantly, the instrument

incorporates the patented DualSpot™ measurement method.  This provides two significant

advantages:eliminationofthechangesinresponsedueto‘aerosolloading’effects;andareal‐

timecalculationofthe‘loadingcompensation’parameterwhichoffers insightsinto aerosol

opticalproperties,andhasbeeninterpretedinmodelsofaerosoloriginsandaging.

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