| Technique Principle | TDLAS Laser Optics |
| Voltage-current | Voltage 3.3V, Current 35mA |
| Range accuracy | Measuring 0~100%LEL,precision 土2% |
| Response time | ≤30s |
| Communication interface | UART(3.3V TTL level) |
| Working temperature | -40~70℃ |
| Working humidity | 0~100%Rh(non-condensing) |
| Protect class | IP65 |
| Service Life | 5~10 year |
