| Detect gas | CH2O |
| Sensors principle | electrochemistry |
| Sampling method | Pump suction |
| Measurement range | 0~1000ppm |
| resolution | 1ppm |
| detection Accuracy | 2%~3% F.S. |
| signal output | USB interface for high-speed data transmission, downloadable print data (optional) |
| Response time | ≤10S |
| Repeatability | ≤±1% |
| Linearity | ≤±1% |
| Zero drift | ≤ +/- 1% (F. S/year) |
| Display | LCD dot matrix display technology |
| Operating language | Support Chinese and English |
| Gas unit | Multiple Gas Unit switch display |
| Operating temperature | -20~50℃ |
| Operating humidity | 0~95%RH |
| Explosion-proof sign | Exib ⅡCT4 |
| Protection level | IP66 |
| Alarm mode | Sound, light, vibration |
| Operating Time | 100 hours (turn off the pump) |
| Dimension | 205*75*32mm |
| Weight | 300g |
Warranty days: 365 days