- Model WS800-UMB - Smart Weather Sensor

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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.

  • 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: SDI-12, RS485

  • 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

  • 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

Examples of use of the Smart Weather Sensor WS800

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

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