| Measure item | Principle | Range | Resolution | Accuracy | |
| Wind speed | Ultrasonic | 0-40m/s | 0.01m/s | ±0.5+2%FS | |
| Wind direction | Ultrasonic | 0-359º | 1° | ±3° | |
| Atmospheric temperature | MEMS | -40-+100℃ | 0.1℃ | ±0.5℃ | |
| Atmospheric humidity | MEMS | 0-100%RH | 0.1%RH | ±3% | |
| Atmospheric pressure | MEMS | 10-1100hPa | 0.1hpa | ±1.5hPa | |
| Supply | 12VDC | ||||
| Output | RS485 | ||||
| Communication Protocol | Modbus-rtu | ||||
| Power consumption | 0.6W | ||||
| Operating temperature | -40-+80℃ | ||||
| IP Rating | IP65 | ||||
| Main material | ABS+ Aluminum alloy | ||||
Stasiun Cuaca RK900-09 Miniature Ultrasonic Weather Station
