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Vaisala Road / Runway Surface and Depth Sensor DRS511

Road / Runway Surface and Depth Sensor DRS511 provides key information about road weather conditions


    Several measurements combined compactly in one sensor:

    • Surface Temperature Sensor
    • Ground Temperature Sensor at 60mm depth
    • Additional Depth Temperature Sensor at 300mm depth
    • Depression of Freezing Point  /  Chemical Amount
    • Black Ice Detection
    • Surface State; (water / ice layer thickness, presence of snow):
      • Dry
      • Moist
      • Wet
      • Frost
      • Ice
      • Snow
      • Trace (Moist & Treated)
      • Wet & Treated
    • Alarms and Warnings
      • Rain Warning
      • Frost Warning
      • Ice Warning
      • Ice Alarm
    • Thermally passive principle - does not disturb the measured surface
    • Thermal properties matched to road properties
    • 3cm wide so thermal characteristics adjust to match the road very quickly - improved accuracy
    • Robust epoxy design; the sensor may wear down by as much as 35mm
    • Can be installed in wheel track
    Related Services
    • Repair Services 
    • Vaisala repair services include fault tracing and repair or replacement of failed components, as well as final testing to ensure your equipment is functioning properly. Repairs can be carried out on site or at one of our service centers.
    • Spare Parts 
    • Get rapid access to the spare parts you need to maximize the uptime of your equipment and ensure reliable and accurate operation. In addition to standard spare part delivery, we also offer an express service where parts are shipped within one business day.
    • Warranty 
    • All Vaisala products and services are covered by a 12-month warranty as standard, with selected products covered for up to 24 months. During this period you benefit from free repair or replacement of faulty equipment.