Traditional Cup Anemometer/Wind Vane

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The device realizes measuring wind-direction and wind-speed.

The device realizes measuring wind-direction and wind-speed. The classical build-up spoon anemometer and wind flag takes place in an individual container. In the anemometer's container an infrared opto-chopper transmits square-sign proportional to the wind speed, and in the wind flag's container an infrared optical sensor determines the actual direction with a Gray-coded disc.

The device has an individual micro­controller in the container of the wind flag to process speed- and direction signals, which performs measuring actual values, calculating averages during measuring period time and the connection to the data collector.

The intelligent command set of the device makes it possible to get data from the device as follows: For a period:

  • Average speed
  • Gust
  • Average direction
  • Minimum and maximum directions
  • Time of gust
  • Direction of gust

Momentary (for the last 2 seconds):

  • Wind Speed
  • Wind direction

Technical data

Speed                                                      Direction

Measuring Range 0.1 - 60 m/s                                               0 - 360 °

Resolution 0 1 m/s                                                      1°

Accuracy 0.2 m/s                                                      2 ° FSR

Threshold 0.4 m/s                                                       0,3 m/s

Output RS-485 System-6 or Modbus protocol Power Supply 12 V / 25 mA max Heating Power 16V 2.5A AC max