Campbell Scientific TGA200 Trace Gas Analyzer Overview - Manual (Page 5)

TGA200 Overview Table of Contents
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1. System Components ...................................................2
2. Theory of Operation ....................................................3
2.1 Optical System..........................................................................................3
2.2 Laser Scan Sequence ................................................................................4
2.3 Concentration Calculation ........................................................................5
3. Trace Gas Species Selection......................................5
4. Multiple Ramp Mode....................................................6
5. User Interface...............................................................6
6. Specifications ..............................................................7
6.1 Measurement Noise ..................................................................................7
6.2 TGA200 Frequency Response..................................................................8
6.3 Physical Specifications ...........................................................................10
Figures
1-1. TGA200 system components ..................................................................2
2-1. Schematic diagram of TGA200 optical system.......................................3
2-2. TGA200 laser scan sequence ..................................................................4
5-1. Real-time graphics screen........................................................................6
6-1. Concentration time series showing response of TGA200 .......................9
6-2. Frequency response of the TGA200........................................................9
Tables
6-1. Typical Concentration Measurement Noise ............................................7
6-2. Typical Concentration Measurement Noise for Multiple Scan Lasers....7
6-3. Typical Isotope Ratio Measurement Noise .............................................8
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