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Observator 100 years

NIRS31-UMB Non Invasive Road Sensor

Non invasive road sensor with optical principle.


  • Measurement of surface conditions such as wetness, ice, snow or frost
  • Measurement of water film height
  • Measurement of ice percentage in water and determination of freeze temperature
  • Measurement of friction
  • Optional: fully integrated surface temperature measurement (pyrometer)
  • Electric isolation of RS485 interface for network with other UMB sensors
  • Easy to mount
  • Firmware updates via UMB-technology

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