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Visibility measuring device, VISIC620

 
 

The VISIC620 determines the visual range on roads, sea routes or in weather observation stations or measures the visibility (as k-value or in mg/m3) in tunnels. An automatic self-test measures and compensates for possible front screen soiling. Furthermore, it reliably recognizes objects such as leaves or plants in the optical path. Therefore, the VISIC620 can measure fog reliably.

The long maintenance interval of five years (except cleaning), the robust enclosure made of stainless steel and the possibility of power supply via solar panel or battery make the VISIC620 a real outdoor product, also in salty air.

At a glance

  • Large measuring range for visual range
  • Precipitation detector as an option
  • Contamination check
  • Minimum space requirements and low weight
  • Self-sufficient design possible with solar panel and battery
  • Rugged housing, also for salty air

    Your benefits

  • Reliable measured values
  • Low operational costs
  • Low maintenance requirements due to long maintenance intervals

    Fields of application

  • Determination of the visual range on roads
  • Measurement of visibility or dust concentration in tunnels
  • Detection of smoke in tunnels
  • Fog detection on coasts and sea routes
  • Detection of fog and precipitation in weather stations
    Technical data
    Measurement principles: Scattered light forward
    Max. number of measurands: 1
    Measuring ranges: Standard visual range: 10 ... 500 m / 10 ... 16,000 m
    Ambient temperature: -30 ... +55 °C
    Ambient humidity: 0 ... 100 %
    Electrical safety: CE
    Enclosure rating: IP 69K
    Analog outputs: 1 output:
    0 ... 20 mA
    only VISIC620-1xxxx
    Digital outputs: 2 relay contacts:
    48 V AC , 35 W / 48 V DC , 24 W
    only VISIC620-1xxxx
    Digital inputs: 1 potential-free contact:
    4 V, 4.5 mA
    not for VISIC620-1xxxx
    Interfaces: Modem (only VISIC620-14xxx, VISIC620-42xxx and VISIC620-43xxx)
    RS-232 (service interface)
    RS-485 (only VISIC620-2xxxx)
    Bus protocol: CAN (only VISIC620-3xxxx)
    System components: Measuring unit
    Test functions: Automatic self-test (contamination, drift, LED, disturbing objects)
     
     

     
     
     
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