Product Information
The CO2 Gas Module is a continuous, NDIR (non-dispersive infrared) based carbon dioxide analyzer for the AQM 65 fixed monitoring station, purpose-built for quantifying greenhouse gas emissions. NDIR sensing is highly selective to CO2, making it well suited to indicative ambient greenhouse-gas monitoring.
Product Features
| Spec | Value |
| Range | 0–2,000 ppm |
| Sensor type | NDIR (non-dispersive infrared) |
| Display resolution | 1 ppm |
| Limit of detection | 10 ppm |
| Precision | 3% of reading or 10 ppm |
| Linearity | 2% of full scale |
| Noise (zero / span) | 5 ppm / 1% of reading |
| 24-hour drift (zero / span) | 1 ppm / 0.6% of full scale |
Product Benefits
- NDIR technology is highly selective to CO2, minimizing cross-interference from other ambient gases.
- Designed for continuous, real-time greenhouse-gas quantification rather than spot-checking.
- Shares the AQM 65’s swappable module architecture, so it can be added alongside other gas modules already on site.
Performance & Field Data
- Low 24-hour zero/span drift (1 ppm / 0.6% FS) supports extended unattended deployment between calibrations.
Typical Applications
- Greenhouse-gas emissions quantification at industrial or landfill sites.
- General ambient CO2 monitoring as part of a broader multi-gas AQM 65 deployment.




