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  • Scarlet WL-11SD

    Measure Wind Speed and Wind Direction with Automatic Data Logging

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WL-11 Wireless Data Logger Anemometer

The Scarlet WL-11 Wind Speed Data Logger is designed to provide an affordable and easy-to-use solution to wind site evaluation and monitoring wind generator performance in real time. It records wind speed, gust, and direction, time and date, temperature, and other important wind parameters. The wireless transmission ranges up to 250 meters or 1200 meters with optional antenna. All data are stored within SD card (included) in data-exchange format.


  • easy-to-use solution for wind site evaluation
  • shows and store all vital wind data
  • range up to 250m (up to 1200 m with optional antenna)
  • easy installation without running cables
  • replaceable anemometer cups
  • 24h wind speed and temperature history graphs
  • 7 days history of instant and average wind speed


  • Data Logging and History Show

    WL-11 data loggers can store current wind speed, temperature, wind direction (optional), 24h wind speed and temperature history graphs.

  • Item Description
    Wind Speed Measurement Range 0.6...50 m/s
    Wind Speed Accuracy +/- 3 %
    Wind Speed Resolution 0.1 m/s (under 9.9 m/s); 1 m/s (Above 10 m/s)
    Units of Measurement m/s, km/h, knots, mph, Bf
    Temperature Measurement Range -30....+60 °C, +/- 1 °C
    Dimensions - Sensor height 210 mm; diameter cup to cup 120 mm
    Dimensions - Display unit 94 x 63 x 28 mm
    Data recording up to 12 months, .txt and ASCII data format
    Display updating every 2 seconds
    Logging interval 10 s, 1 min, 10 min, 60 min
    Data Logging average and maximum wind speed, wind direction, temperature
    Transmission frequency 868 MHz / +10dB; 908 MHz, 922 MHz (requested by clients)
    Battery - sensor 1 x 3.6 V AA Lithium battery
    Battery - display unit 2 x 1.5 V AA
    Mounting the sensor mounts on a pipe with ø 20 mm diameter
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    WL-11 User Manual WL-11 wireless wind data logger manual version 2014.



    WL-11 Data Sheet WL-11 wireless wind data logger datasheet version 2014.