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Observator 100 years

Mobile road weather information system

A new development is the MARWIS; a mobile road weather information sensor. It is a professional and reliable tool to measure road conditions and environmental data. Directly installed at the vehicle, the intelligent sensor measures 100 times per second – at any place and any time.

The following variables are recorded

  • Road surface temperature
  • Dew point temperature
  • Water film height
  • Relative humidity at road temperature
  • Ice percentage
  • Friction (grip)
  • Road conditions: dry/damp/wet/ice/snow/slush/chemically wet/critically wet

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