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WS100 Radar Precipitation Sensor / Smart Disdrometer

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WS100 Radar Precipitation Sensor / Smart Disdrometer

    Feature / Benefits

    • New radar measurement technique for hydromet applications – eliminating on-site maintenance requirements
    • Detect the first drop with the fast response time
    • Measure more parameters including intensity, accumulation and type of precipitation
    • Distinguishes between 11 drop size classes
    • Easily integrate with new or existing measurement stations via SDI-12

    Sensor technology

    • 24 GHz Doppler Radar, Radar reflection method
    • Precipitation event detection
    • Urban hydrology
    • Dense precipitation networks

    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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