| Parameters | Technical indicators |
| O3 measuring range | 0-10ppm/0-20ppm/0-100ppm (customizable) |
| Measurement method | electrochemical sensor |
| NO2 measurement accuracy | ≤±3% of reading |
| Response time (T90, seconds) | generally less than 15 seconds |
| Warranty period | The host is guaranteed for 2 years, and the gas probe is guaranteed for 1 year |
| Communication port | Analog quantity interface (voltage type or current type) |
| Power supply | 12V-24V DC |
| Power consumption | <0.3W |
| Operating temperature | -30-50℃ (-20-40℃ continuous) |
| Working humidity environment | 0-100%RH (15-95%RH) without condensation |
| Dimensions | 110×85×44mm3 |
| Current output type | 4-20mA |
| Current output load | ≤600 ohm |
| ≤250 ohm | 0-5V/0-10V |
| Voltage output load | ≤250 ohm |