Table of Contents 
Table of Contents ..................................................................................................................................................... 3 
Manufacturer’s Statement .................................................................................................................................... 12 
Notice .................................................................................................................................................................... 12 
Safety Information ................................................................................................................................................. 13 
Warranty ................................................................................................................................................................ 15 
Service & Repairs ................................................................................................................................................... 16 
Product Compliance and Approvals ....................................................................................................................... 17 
Manual Revision History ........................................................................................................................................ 18 
1.  Introduction ........................................................................................................................... 21 
1.1  Description ................................................................................................................................................ 21 
1.2  Specifications ............................................................................................................................................ 21 
1.2.1  Measurement ............................................................................................................................ 21 
1.2.2  Precision/Accuracy .................................................................................................................... 21 
1.2.3  Calibration ................................................................................................................................. 22 
1.2.4  Power   ...................................................................................................................................... 22 
1.2.5  Operating Conditions ................................................................................................................. 22 
1.2.6  Communications ........................................................................................................................ 23 
1.2.7  Physical Dimensions................................................................................................................... 23 
1.2.8  Certifications .............................................................................................................................. 23 
1.3  Nomenclature ........................................................................................................................................... 24 
1.4  Background/Theory ................................................................................................................................... 25 
1.4.1  Measurement Theory ................................................................................................................ 25 
1.4.2  Kalman Filter Theory .................................................................................................................. 26 
1.5  Instrument Description ............................................................................................................................. 27 
1.5.1  Calibration Valve Manifold ........................................................................................................ 27 
1.5.2  Sample Filter Holder .................................................................................................................. 28 
1.5.3  CO-CO
2
 Converter ...................................................................................................................... 28 
1.5.4  Measurement Cell ..................................................................................................................... 29 
1.5.5  Main Controller PCA .................................................................................................................. 33 
1.5.6  Pneumatic Tubing ...................................................................................................................... 33 
1.5.7  Rear Panel .................................................................................................................................. 34 
1.5.8  Communications ........................................................................................................................ 35 
2.  Installation/Decommission .................................................................................................... 37 
2.1  Initial Check ............................................................................................................................................... 37 
2.2  Installation Notes ...................................................................................................................................... 40 
2.3  Instrument Set-Up ..................................................................................................................................... 41 
2.3.1  Power Connections .................................................................................................................... 41 
2.3.2  Pneumatic Connections ............................................................................................................. 42 
2.3.3  Communications Connections ................................................................................................... 45 
2.3.4  Instrument Set-Up ..................................................................................................................... 46 
2.4  U.S. EPA Reference Set-Up ........................................................................................................................ 47 
2.5  EN Type Approval Set-Up .......................................................................................................................... 48 
2.6  Transporting/Storage ................................................................................................................................ 49 
3.  Operation............................................................................................................................... 51