Aqualab

Weather Stations

Lufft

WS800

First and only compact all-in-one weather sensor with detection of lightning strikes.

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.

  • temperature, relative humidity, air pressure, wind direction, wind speed, precipitation intensity, precipitation quantity, radiation, lightning strikes
  • Ultrasonic/Wind, NTC/T, Capacitive/RH/Pressure, Thermopile/Radiation, Radar/Precipitation, radio wave emission/Lightning strikes
  • First and only compact all-in-one weather sensor with lightning detection, low power, heater, aspirated radiation shield, maintenance-free operation, open communication protocol
  • RS485 with supported protocols UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, XDR and optional SDI-12
FEATURES
  • 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
Specs

 

General
Dimensions Ø approx. 150 mm, height approx. 317 mm
Weight Approx. 1.5 kg
Interface RS485, 2 – wire, half – duplex
Power supply 4…32 VDC
Operating temperature -50…60°C
Operating rel. humidity 0…100% RH
Heating 40 VA at 24 VDC
Cable length 10 m
Protection level housing IP66
Mast mounting suitable for Mast diameter 60 – 76 mm
Lightning detection
Lightning detection Number of lightning events
Coverage area 5 – 10 km
Air 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 > 1.0 m/s
Wind speed
Principle Ultrasonic
Measuring range 0…75 m/s
Unit m/s
Accuracy ±0.3 m/s or ±3 % (0…35 m/s) ±5 % (>35 m/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…5 mm
Type of precipitation Rain/snow
Radiation
Unit W/m²
Accuracy 5%
Response time (95%) < 1s
Spectral range 300 to 1100 nm
Measuring range 1400 W/m²
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