OTT HydroMet - Model LUFFT WS800-UMB - Smart Weather Sensor
From the WS product family of professional intelligent measurement transducers with digital interface for environmental applications. Integrated design with ventilated radiation protection for measuring: Air temperature, relative humidity, precipitation intensity, precipitation type, precipitation quantity, solar radiation, lightning detection, air pressure, wind direction and wind speed. One external temperature sensor is connectable.
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Details
- Parameters measured: temperature, relative humidity, air pressure, wind direction, wind speed, precipitation intensity, precipitation quantity, radiation, lightning strikes
- Measurement technology: Ultrasonic/Wind, NTC/T, Capacitive/RH/Pressure, Thermopile/Radiation, Radar/Precipitation, radio wave emission/Lightning strikes
- Product highlights: First and only compact all-in-one weather sensor with lightning detection, low power, heater, aspirated radiation shield, maintenance-free operation, open communication protocol
- Interfaces: RS485 with supported protocols UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, XDR and optional SDI-12
Advantages of the Smart Weather Sensor WS800
- First and only all-in-one compact weather sensor with lightning detection
- Built-in data pre-processing, universal interfaces and selectable output protocols
- Compatible with many commercially available Met/HydroMet dataloggers and PLS systems thanks to an open communication protocol
- Maintenance-free operation – no moving parts that can wear out
- Suitable for all climate zones; also for solar-powered automatic meteorological stations
- Integrated heater that can be switched on if there is danger of frost
Examples of Use:
The robust and maintenance-free smart weather sensor WS800 is designed for professional meteorological applications in all climate zones. It delivers reliable data, even in extreme ambient conditions.
Examples of use:
- Weather observation for road and traffic control systems
- Automatic weather station / Automatic weather sensor (AWS)
- PV-Monitoring / Solar Monitoring on photovoltaic farms
- Hydro-meteorological stations
- Weather observation for building automation
- Weather stations at airports, marinas and onboard ships
Technical Data:
General
- Dimensions: Ø approx. 150mm, height approx. 317mm
- Weight: Approx. 1.5kg
- Interface: RS485, 2-wire, half-duplex
- Power supply: 4...32 VDC
- Operating temperature: -50...60°C
- Operating rel. humidity: 0...100% RH
- Heating: 40VA at 24VDC
- Cable length: 10m
- Protection level housing: IP66
- Mast mounting suitable for: mast diameter 60 - 76mm
Lightning detection
- Lightning detection: Number of lightning events
- Coverage area: 5-10km
Temperature
- Principle: NTC
- Measuring range: -50 ... 60 °C
- Unit: °C
- Accuracy: ±0.2°C (-20...50°C), otherwise ±0.5°C (>-30°C)
Relative humidity
- Principle: Capacitive
- Measuring range: 0 ... 100 % RH
- Unit: % RH
- Accuracy: ±2% RH
Air pressure
- Principle: MEMS capacitive
- Measuring range: 300 ... 1200 hPa
- Unit: hPa
- Accuracy: ±0.5 hPa (0...40°C)
Wind direction
- Principle: Ultrasonic
- Measuring range: 0 ... 359.9 °
- Unit: °
- Accuracy: < 3° RMSE > 1.0m/s
Wind speed
- Principle: Ultrasonic
- Measuring range: 0 ... 75 m/s
- Unit: m/s
- Accuracy: ±0.3m/s or ±3% (0...35m/s) ±5% (>35m/s) RMS
- Resolution: 0.1
Precipitation intensity
- Resolution: 0.1 mm/h
- Precipitation quantity
- Resolution: 0.01
- Reproducibility: Typical >90%
- Measuring range drop size: 0.3...5mm
- Type of precipitation: Rain/snow
Radiation
- Unit: W/m²
- Accuracy: 5%
- Response time (95%): < 1s
- Spectral range: 300 to 1100nm
- Measuring range: 1400 W/m²
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