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WS425 Ultrasonic Wind Sensor



  • Measures wind speed and direction from the smallest breeze to hurricane force gales (0...65 m/s), including gusts
  • Superior data availability and accuracy in all wind directions due to the patented three transducer layout
  • Averaging of wind speed and direction
  • Analog, RS-232, RS-422, RS-485 and SDI-12 outputs
  • Low power consumption
  • No moving parts: virtually maintenance free
  • Stainless steel construction
  • Heated model available
  • US National Weather Service relies on Vaisala ultrasonic technology


Wind speed

  • Measurement range
    serial output 0...65 m/s (0...144 mph, 0...125 knots)
    analog output 0...56 m/s (0...124 mph, 0...107 knots)
  • Starting threshold virtually zero
  • Delay distance virtually zero
  • Resolution 0.1 m/s (0.1 mph, 0.1 knots, 0.1 km/h)
  • Accuracy (range 0...65 m/s)

    Wind direction

  • Measurement range 0...360°
  • Starting threshold virtually zero
  • Delay distance virtually zero
  • Resolution 1°
  • Accuracy (wind speed over 1 m/s) ±2°

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    WS425 Ultrasonic Wind Sensor


    File Size 306KB   Filename ws425.pdf   Download

    Related Pages



    Wind Speed and Direction


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