Table 1.
Details of the sensors that were selected for inclusion in the array.
| Manufacturer | Model | Target Gas | Technology |
|---|---|---|---|
| Baseline Mocon 1 | piD-TECH 0–20 ppm |
Volatile Organic Compounds (VOCs) | Photoionization (PID) |
| ELT 2 | S300 | Carbon Dioxide (CO2) | Nondispersive Infrared (NDIR) |
| Alphasense 3 | H2S-BH | Hydrogen Sulfide (H2S) | Electrochemical |
| O3-B4 | Ozone (O3) | Electrochemical | |
| NO2-B1 | Nitrogen Dioxide (NO2) | Electrochemical | |
| CO-B4 | Carbon Monoxide (CO) | Electrochemical | |
| NO-B4 | Nitric Oxide (NO) | Electrochemical | |
| Figaro 4 | TGS 2602 | “VOCs and odorous gases” | Metal Oxide |
| TGS 2600 | “Air Contaminants” | Metal Oxide | |
| TGS 2611 | Methane (CH4) | Metal Oxide | |
| TGS 4161 | Carbon Dioxide (CO2) | Metal Oxide | |
| e2v 5 | MiCS-5525 | Carbon Monoxide (CO) | Metal Oxide |
| MiCS-2611 | Ozone (O3) | Metal Oxide | |
| MiCS-2710 | Nitrogen Dioxide (NO2) | Metal Oxide | |
| MiCS-5121WP | CO/VOCs | Metal Oxide |
1 MOCON Inc., Lyons, CO, USA. 2 ELT Sensor Corp. Bucheon-city, Korea. 3 Alphasense, Great Notley, Essex, UK. 4 Figaro USA Inc., Arlington Heights, IL, USA. 5 Teledyne e2v Ltd., Chelmsford, UK.