07645A DCN6170 iii
TABLEOFCONTENTS
1 INTRODUCTION 5
1.1 Description 5
1.1.1 ‘DualSpot™’ Technology 6
1.1.2 Automatic Zero and Span 10
1.1.3 User and Communications Interfaces 11
1.1.4 Modular Construction 12
1.2 Technical Specifications 13
1.3 Functional Description 14
2 SAFETY NOTES and LABELS 21
3. INSTRUMENT INSTALLATION 25
3.1 Unpacking the system 25
3.2 The sampling line 25
3.3 Powering on the Aethalometer 27
3.4 Filter tape installation 29
3.4 Manually lifting/lowering chamber optical head 36
4 USER INTERFACE, SETTINGS and OPERATION 37
4.1 User interface and settings 37
4.2 Instrument Status 39
Single Sta
tus Condition 40
Multiple Status Conditions 40
4.3 Downloading and Viewing Data 40
Datafilestr
uctureanddescriptionofthefields 41
4.4 Connecting to External Datalogger or PC 43
4.5 Serial Comm
ands for Communication with the Aethalometer 44
4.6 External Devices 45
5 MAINTE
NANCE and SERVICE 47
5.1 Cleaning the cyclone 48
5.2 Leak test 50
5.3 Autom
atic flow meter calibration 51
