TriSonica®

The smallest, lightest, and fastest multidimensional ultrasonic anemometers available

TriSonica® sensors measure wind and other atmospheric variables with speed, accuracy, and precision. They are size, weight, and power (SWaP) optimized for rapid deployment in stationary, mobile, and network systems.

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February 24—27, 2025

Tucson, Arizona, USA

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February 24—27, 2025

Tucson, Arizona, USA

Learn more

February 24—27, 2025

Tucson, Arizona, USA

Learn more

From deployment to maintenance, TriSonica sensors are versatile and easy to use.

compact icon

Compact

The LI-550 fits in the palm of your hand, measuring 9.1 x 9.1 x 5.2 cm. The LI-560 measures 10.2 x 10.2 x 24.9 cm.

lightweight icon

Lightweight

The LI-550 weighs 50-67 grams, about the weight of a golf ball. The LI-560, at 225 grams, is the lightest 3D anemometer on the market.

efficient icon

Efficient

The LI-550 draws only 350 mW @ 5–36 VDC. The LI-560 operates at 500 mW @ 5–36 VDC.

no moving parts icon

No Moving Parts

The LI-550 and LI-560 can be stationed on fixed or portable towers.

From deployment to maintenance, TriSonica sensors are versatile and easy to use.

compact icon

Compact

The LI-550 fits in the palm of your hand, measuring 9.1 x 9.1 x 5.2 cm. The LI-560 measures 10.2 x 10.2 x 24.9 cm.

lightweight icon

Lightweight

The LI-550 50-67 grams, about the weight of a golf ball. The LI-560, at 225 grams, is the lightest 3D anemometer on the market.

efficient icon

Efficient

The LI-550 draws only 350 mW @ 5–36 VDC. The LI-560 operates at 500 mW @ 5–36 VDC.

no moving parts icon

No Moving Parts

The LI-550 and LI-560 can be stationed on fixed or portable towers.

Drone with TriSonica LI-550 Mini mounted

The LI-550 TriSonica Mini and LI-560 TriSonica Sphere are used on the BlueHalo® Atmospheric Characterization Weather Payload (WPV3 ACP; U.S. Patent 11,487,015), providing a complete, customizable meteorological sensor suite that can easily be mounted on a variety of UAS platforms. View the poster presented at the American Meteorological Society (AMS) Annual Meeting in January 2023.

View the Poster

TriSonica anemometer comparison

The LI-550F and LI-550P TriSonica Mini and the LI-560 TriSonica Sphere share many features, as shown in the table below.

Instrument Mount Connection Measurements
LI-550F TriSonica Mini Flat Base 4 Wires Wind Direction, Wind Velocity, Air Temperature, Air Pressure, Humidity, Tilt, Orientation
LI-550P TriSonica Mini Pipe Mount 12-wire Connector Wind Direction, Wind Velocity, Air Temperature, Air Pressure, Humidity, Tilt, Orientation
LI-560 TriSonica Sphere Pipe Mount 12-wire Connector Wind Direction, Wind Velocity, Air Temperature, Tilt

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Explore the differences

LI-550 Mini LI-560 Sphere