| Measurement parameters | Measurement range (optional) |
Linear error | Zero drift | Span drift |
| SO2 | 0~9999mg/m3 | ±1% | ±0.5mg /m3/24h | ±1%/24h |
| NO,NO2,NOX | 0~8000mg/m3 | ±1% | ±0.5mg /m3/24h | ±1%/24h |
| smoke | 0~2000mg/m3 | Absolute error ≤5mg/ m3 |
±2%/24h | ±2%/24h |
| velocity | 0~40m/s | ±2% | ||
| temperature | 0~400℃ | ±2℃ | ||
| Oxygen | 0~25% | ±2% | ||
| Humidity | 0~40% | ±2% |