| Technical indicators | |
| SO2 measuring range | 0-20ppm/0-100ppm/0-2000ppm |
| Measurement method | electrochemical sensor |
| SO2 measurement accuracy | ≤±3% of reading (25℃) |
| Response time | generally less than 15 seconds |
| Warranty period | The host is guaranteed for 2 years, and the gas probe is guaranteed for 1 year |
| Interface form | Analog quantity (voltage/current)/digital quantity (RS485) |
| Power supply | 12V-24V DC |
| Power consumption | <1W |
| Operating temperature | -30-50℃ (-20-40℃ continuous) |
| Working humidity environment | 0-100%RH (15-95%RH continuous) |
| Dimensions | 110×85×44mm3 |