![Air Quality Monitoring](https://static.horiba.com/fileadmin/Horiba/_processed_/b/d/csm_environmental_impact_assessment_mini_bannar_c8fbe4a1ba.png)
Model | Ambient CO2 Monitor |
Measurement target | Carbon dioxide (CO2) in ambient air |
Measuring principle | Cross modulation type non-dispersive infrared absorption method |
Range | 0 ppm to 500/1000 ppm |
Minimum detection sensitivity | 0.5 ppm (2σ) |
Reproducibility (repeating accuracy) | ±1.0% of the full scale |
Linearity (readout error) | ±2.0% |
Zero drift* | ±0.1 ppm/day ±2.0 ppm/week |
Span drift* | ±2.0% of the full scale/day ±3.0% of the full scale/week |
Response rate | 60 sec or shorter (T90 from the inlet) |
Sample collection rate | Approximately 0.7 L/min |
Display | Measured value, alarm, time, alarm history, calibration history, etc. |
Alarms | Zero calibration, span calibration, etc. |
*Ambient temperature change: within 5°C