| Technical indicators | |
| Oxygen measurement range | 0-30% |
| Measurement method | electrochemical sensor |
| Oxygen accuracy | <±3% of reading (25℃) |
| Warranty period | Two years for the whole machine (1 year warranty for probes) |
| Response time | generally less than 15 seconds |
| Baud rate | 2400/4800/9600 |
| Communication port | RS485 |
| Power supply | 12V-24V DC |
| Power consumption | ≤0.15W (@12V DC, 25℃) |
| Operating temperature | -30-50℃ (-20-40℃ continuous) |
| Working humidity environment | 0-95%RH |
| Pressure range | 0.9-1.1atm |
| Dimensions | 110×85×44mm3 |