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SWS-100 Weather Sensor

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SWS-100 Weather Sensor

    • Selectable measurement range
    • Instantaneous and averaged visibility outputs
    • Identifies precipitation type
    • Reports WMO 4680 codes
    • Date and time stamp on data strings
    • 2 relays to switch equipment and 1 fault relay
    • Easily installed on roadside posts or other structures

    Visibility and precipitation measurements
    • measurement range
    < 10 m – 2 km (1.2 miles)
    • measures
    visibility (MOR – Meteorological Optical Range) reductions caused by : fog, haze, smoke, sand, drizzle, rain, snow and general precipitation
    • measurement accuracy
    <=10% maximum
    • measurement principle
    forward scatter meter with 45o angle
    Outputs and reports
    • output rate (seconds)
    10 to 300 (selectable)
    • digital (serial) outputs
    RS-232, RS-422, RS-485**
    • analogue outputs
    0-10 V (4-20 mA or 0-20 mA optional)
    • switching relays (providing flexible configurations)
    Relay 1 = fault Relay 2 = visibility (user selectable threshold) Relay 3 = precipitation yes/no or snow yes/no or 2nd visibility (user selectable)
    • outputs
    selected WMO 4680 table codes
    Power Requirements
    • power supply
    9-30 VDC (AC with optional mains adaptor)
    • power consumption
    6 W – in normal running (no-dew window heaters ON)
    2.5 W – with no-dew window heaters OFF
    57 W – using optional de-icing hood heaters at 51 W
    Environmental
    • Operating temperature
    -40°C to +60°C
    • Operating humidity
    0 – 100% RH
    • Protection rating
    IP65
    Physical
    • Material
    Powder coated aluminium
    • Weight
    3.3 Kg
    • Length
    0.81 m
    • Lifetime
    >10 Years
    Maintenance
    • self test functions
    with maintenance warnings
    • user confidence check
    6 months (suggested)
    • window cleaning
    3 months (suggested)
    Options
    • de-icing hood heaters
    in addition to the standard no-dew window heaters
    • analogue outputs
    4-20 mA or 0-20 mA in addition to the 0-10 V output
    • extra self test mode
    transmitter window contamination monitoring capability
    Certification & Compliance
    CE certified
    EMC compliance with EN61326-1997, 1998, 2001
    RoHS and WEEE compliant

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