Theta AR300 3 Axis-Ultrasonic Anemometer

Theta AR300 3 Axis-Ultrasonic Anemometer

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  • AR300 is a precision 3 axis ultrasonic anemometer offering three-axis measure wind speed and wind direction, which is particularly suitable for precision wind measurement applications.

Wind power station

Electric power safety monitoring

Meteorological monitoring

Bridge and tunnel



Urban environment monitoring.

Measurement Based on Ultrasound

AR300 uses ultrasonic to determine wind speed and direction. The measurement is based on transit time, the time it takes for the ultrasound to travel from one transducer to another, depending on the wind speed.

The wind measurement is calculated in a way that completely eliminates the effects of altitude, temperature and humidity.


High accuracy and free-maintenance

AR300  has has no moving parts, and it is resistant to contamination and corrosion.

AR300 measures accurately and produces reliable data in demanding wind conditions and climates without periodic or on-demand maintenance.

Configurable data output

Analog signal output support voltage and current output optional;

Digital signal output support ASCII and MODBUS communication protocol, communication protocol can be customized according to customer's demand.