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

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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.

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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.

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Efficient

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

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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