Stevens Water Monitoring Systems, Inc.

- Model WS-800 - Multiparameter Weather Sensor

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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.

  • First and only all-in-one compact weather sensor with lightning detection
  • Built-in data pre-processing, universal interfaces and selectable output protocols
  • SDI-12 and RS485 interfaces
  • Maintenance-free operation – no moving parts to 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

  • 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°C - 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
  • TEMPERATURE
    • Principle : NTC
    • Measuring range : -50°C - 60°C
    • Unit : Degrees celcius
    • Accuracy : ±0.2°C (-20°C - 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 : Degrees
    • Accuracy : 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 m/s
  • 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
  • SOLAR RADIATION
    • Unit : W/m²
    • Accuracy : 5%
    • Response time (95%) :
    • Spectral range : 300 to 1100 nm
    • Measuring range : 1400 W/m²

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