| Item | Technical Specification | ||
| Range | Resolution | Accuracy | |
| Wind speed(Default) | 0-40m/s | 0.1m/s | ±3% |
| Wind direction(Default) | 0-359° | 1° | ±3° |
| Atmospheric temperature | 0－100% | 1% | ±5％ |
| Atmospheric pressure | 150 － 1100hPa | 0.1hPa | ±1 |
| Rainfall | 0-200mm/hr | 0.1mm | ±5％（ @ wind speed≤5m/s ） |
| Altitude | -500m – 9000m | 1m | ±8％ |
| Radiation | 0-2000W/m2 | 0.1 W/m2 | ±5％（ @ Vertical irradiation） |
| Illumination | 0-200000lux | 0.1 lux | ±5％（ @ Vertical irradiation） |
| UV | 0-2000W/m2 | 0.1W/m2 | ±10% |
| PM2.5 | 0-2000 ug/m3 | 1 ug/m3 | ±10％ |
| PM10 | 0-2000 ug/m3 | 1 ug/m3 | ±10％ |
| Visibility | 10-5000m | 1m | ±15% |
| item | Technical Specification | ||
| Power Supply | 12-24VDC | ||
| Power consumption | 1.7W | ||
| Output Signal | RS232/RS485(Modbus or NMEA-183), SDI-12 | ||
| Operating Temperature | -20℃-+60℃ | ||
| Ingress Protection | IP65 | ||
| Dimension | Φ82mm×（108-240）mm (Dimensions will vary depending on the parameters) | ||
| Weight(unpacked) | 0.38kg | ||
| Main material | ABS | ||
Sensor Cuaca RK900-11 Automatic Weather Instrument Ultrasonic Weather Station
