WS700-UMB Smart Weather Sensor for measuring of air temperature, relative humidity, precipitation intensity, precipitation type, precipitation quantity, air pressure, wind direction, wind Speed and radiation. Relative humidity is measured by means of a capacitive sensor element; a precision NTC measuring element is used to measure air temperature. Precipitation is measured by a 24 GHz Doppler radar, which measures the drop speed of an individual drop of rain/snow. Precipitation quantity and intensity are calculated from the correlation between drop size and speed. The difference in drop speed determines the type of precipitation (rain/snow). Measurement output can be accessed by the following protocolls: UMB-Binary, UMB-ASCII, SDI-12, MODBUS. One external temperature sensor is connectable.
Special features
- All in One
- Aspirated temperature/humidity measurement
- Maintenance-free operation
- Open communication protocol:
- UMB-ASCII
- UMB-Binary
- SDI-12
- MODBUS
- Analoge outputs in combination with 8160.UDAC
| Temperature | |
| Principle | NTC |
| Measuring Range | -50…60°C |
| Accuracy | ±0,2°C (-20°C… 50°C), otherwise ±0.5°C (>-30°C |
| Relative Humidity | |
| Principle | Capacitive |
| Measuring Range | 0…100% RH |
| Accuracy | ±2% RH |
| Precipitation Intensity | |
| Resolution | 0.01mm |
| Measuring Range | Drop size 0.3…5mm |
| Reproducibility | typ.>90% |
| Precipitation Type | Rain/Snow |
| Air Pressure | |
| Principle | MEMS Capacitive |
| Measuring Range | 300…1200 hPa |
| Accuracy | /- 0.5 hPa (… 40°C) |
| Wind Direction | |
| Principle | Ultrasonic |
| Measuring Range | 0…359,9° |
| Accuracy | < 3° RMSE >1.0m/s |
| Wind Speed | |
| Principle | Ultrasonic |
| Measuring Range | 0…75m/s |
| Accuracy | ±0.3m/s or 3% (0…35m/s) RMS of reading whichever is greater ±5%(>35m/s) RMS |
| General Information | |
| Heating | 20VA at 24VDC |
| Interface | RS485, 2-wire, half-duplex |
| Operating Power Consumption | 24VDC /- 10% |
| Operating Humidity Range | 0…100% |
| Operating Temperature Range | -50…60%°C |
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