| feature | Wavelength | digital id | analog-1 id | analog-2 id |
| Methane (CH4) | 3.3 | ePY12221 | PY0213 | PY0317,PY2626 |
| Hydrocarbons | 3.33 | - | - | PY2486, PY2738 |
| Hydrocarbons | 3.38 | - | - | PY0261, PY2739 |
| CO2 (reference) | 4.64 | ePY12241 | PY0211,PY0212 | PY0305,PY0259 |
| 1234yf, R-410a, Refrigerants | 8.01 | - | - | - |
| Sugars and alcohol | 9.5 | PY2551 | ||
| Milk, Lactose, Sugars | 9.61 | PY2547, PY2580 |
Pyreos PY2572 1-4 channel analog sensors d not cover this range.
Filters available in ezPyro SMD+ prototypes. Other filters available on request.
CWL µm / (HPB nm) Use 2.55 / (90) 2.9 / (300) 3.3 / (160) CH4 3.33 / (160) H-C 3.38 / (190) H-C 3.7 / (110) Reference 3.9 / (200) N2O 3.91 / (90) Reference 4.26 / (180) CO2 4.43 / (60) CO2 (Special) 4.64 / (90) CO 4.64 / (180) CO (Narrow) 4.85 / (90) 4.9 / (130) Reference 5.3 / (180) NO 5.6 / (80) Milk, Reference 5.73 / (80) Milk, Fat 6.2 / (200) NO2 6.46 / (130) Milk, Protein 6.7 / (120) Milk, Reference 7.3 / (200) SO2 8.01 / (440) 8.42 / (180) Refrigerants, Anaesthetics 8.55 / (180) Anaesthetics 8.75 / (220) Anaesthetics 8.95 / (330) Refrigerants 9.5 / (400) Sugar, Ethanol 9.61 / (150) Milk, Lactose, Sugar 9.65 / (220) Anaesthetics 10.27 / (210) 12.23 / (210) Anaesthetics