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WS100 Radar Precipitation Sensor / Smart Disdrometer

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WS100 Radar Precipitation Sensor / Smart Disdrometer

    Absolutely maintenance-free and low-energy 24-hour operation

    • Maintenance-free operation through ingenious technology without any moving parts
    • Energy-saving sensor thanks to the improved ECO mode (0.4 VA)
    • Extended heating capacity allows operation in summer as well as in winter
    • Improved heating power with lower power consumption: Sensor heating integrated directly on the dome wall, power consumption with 9 VA heating.
    • Very long service life and high operational reliability due to high quality components

    Every second counts: Precise precipitation measurement from the first drop

    • Extremely fast measurement from the first raindrop
    • Detection of precipitation and rainfall (rain, freezing rain, hail, snow and sleet)
    • Detection of drop size (0.3 to 5 mm)
    • Differentiation between 11 classifications of drop sizes
    • Sensor provides rain intensity with higher resolution starting from 0.01 mm
    • Improved measurement accuracy thanks to patented self-developed radar module

    Precision sensor with radar technology designed for all industrial needs

    • Precipitation sensor with radar technology: 24GHz Doppler radar
    • Use of a lens for focusing the measuring beam Industry-wide application: hydrology, agriculture, building automation, metrology, winter service, airport and traffic control
    • Particularly suitable for places or areas which are difficult to access due to being maintenance-free
    • No maintenance or calibration, no additional hidden costs

    Designed for all common data loggers and data acquisition systems

    • Multiple and simultaneous interfaces for data output and communication
    • SDI-12 and RS-485 Modbus for reliable data transmission

    The maintenance-free and extremely fast measurement of precipitation type and intensity fits perfect the needs of the following applications…

    Examples of Use:

    • Weather observation for road and traffic control systems (RWIS – road weather information station)
    • Weather stations at airports (AWOS)
    • Weather stations of meteorological services
    • Mountain weather stations for avalanche and flood warning
    • Hydro-meteorological stations(flood warning, stormwater, …etc.)
    • Agricultural Meteorology Stations
    • Building Automation

    General  
    Dimensions Ø150 mm (5.9 in), height: 190 mm (7.48 in)
    Weight ~0.6 kg
    Electrical parameters  
    Power supply 10…28 VDC
    Power consumption without heating 1 VA / 0.4 VA (low power mode)
    Heating power 9 VA
    Operating parameters  
    Operat. temp. range -40…60 °C
    Operat. humidity range 0…100 %
    Protection class IP66
    Survival wind speed 75 m/s
    Data transfer  
    Interfaces/ protocols RS-485 semi-duplex two-wire, SDI-12, pulse interface / UMB protocol, Modbus
    (Pluggable) cable length 10 m
    Transmission frequency 24 GHz
    Precipitation  
    Measurement surface 9 cm²
    Precipitation types Rain, snow, sleet, freezing rain, hail; No precipitation (SYNOP 4677)
    Principle Doppler radar
    Accuracy ±10 %*
    *) Under laboratory conditions by means of Lufft test system: Reference drop simulator with 2.8 mm drop diameter and adjustable intensity between 10 and 200 mm/h.
    Resolution liquid preciptiation 0.01 / 0 .1 / 0.2 / 0.5 / 1.0 mm (pulse interface)
    Measurement ranges  
    Droplet size 0.3…5.0 mm
    DSD 11 drop size classes with bandwidth of 0.5 mm
    Precipitation intensity 0.01…200 mm/h / 0…7.874 inch/h
    Particle velocity 0.9…15.5 m/s
    Solid precipitation 5.1…~30 mm

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