| Sensor type | infrared (NDIR) sensor |
| Sampling way | pump |
| Test range | 0-1000/3000 PPM or customize |
| resolution | 1 PPM |
| pricision | + 5%FS |
| response time | <20s |
| Indicate way | LCD display real-time concentration ,LED ,buzzer alarm |
| Data storage | Can store multiple sets of data |
| Pressure range | Atmospheric pressure ± 10% |
| Operating Current: normal current | ≤ 150mA; Alarm current: ≤ 200mA |
| power supply | Lithium battery (4.2V/3000mAh |
| Operating Temperature | -40 °C – 70 °C |
| Relative Humidity | 15% – 95%, non-condensing |
| Storage Temperature | -20 °C – 60 °C |
| Storage humidity | ≤ 90%, no condensation |
| Sensor life | 1 year |
| Continuous work hours | 30 hours above |
| Charge time | 6-8 hours |
| Housing material: | PC |
| Dimensions | 228* 84 * 50.5mm |
| Installation | Handheld / Stand-in |
| Weight: | 0.55KG |
| Protection | IP65 |
| Certification | CE |
| Warranty | 24 months |