Lufft's VS2k-UMB visibility sensor for road weather stations and traffic control systems, which replaces the VS20-UMB, measures visibility up to 2,000 metres and features an optimised housing alloy that is water resistant even under extreme conditions.
      
  
           
                          
                July 5, 2016
              
            
                          
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The device also features an optional calibration kit, forward light scattering technique, sea waterproof housing and active spider defence.
    
        
        
        



