| Parameter | content |
| Power supply | 12-24V DC |
| Output signal | RS485/analog/4G/NB/LORA |
| Temperature measurement range | -40℃-80℃ |
| Temperature accuracy | ±0.5℃ |
| Temperature resolution | 0.1℃ |
| Moisture measurement range 0-100% | |
| Moisture accuracy | ±3% in the range of 0-53%; ±5% in the range of 53-100% |
| Moisture resolution | 0.10% |
| Conductivity measurement range | 0-10000us/cm |
| Conductivity resolution | 10us/cm |
| pH measurement range | 3-9pH |
| pH measurement accuracy | ±0.3pH |
| pH resolution | 0.01pH |
| NPK measurement range | 0-1999mg/kg |
| NPK measurement accuracy | ±2%F.s |
| Resolution of NPK | 1mg/kg (mg/l) |
| Storage environment | -20℃-60℃ |
| Working pressure range | 0.9-1.1atm |
| Response time | <1s |
| Protection grade | IP68 |
| Installation method | Fully buried or all probes are inserted into the measured medium |