| Shell material | 304 stainless steel |
| Protect class | IP65 |
| Detection principle | Electrochemistry |
| Range accuracy | Measuring 0~100ppm Precision 0,1ppm |
| Response time (T90) | ≤ 30s |
| Working voltage | 4~6VDC |
| Working current | 1mA |
| Communication mode | UART(+3.3V TTL level) |
| Temperature and humidity | -20℃~50℃，15~95%RH (non-condensing) |
| Service life | 1 year |
