AMES Environmental Measurement Systems
Anemometer uSonic-1 Spinner
Innovative rotor mounted anemometer for wind turbines.
uSonic-1 Spinner is an ultrasonic anemometer intended specifically for measuring wind speed directly in front of the rotor of a wind turbine. This is achieved through it's innovative mounting right on the tip of the nosecone of the turbine. There, it can measure wind speed and direction without encountering nacelle/rotor flow distorsions.
Expected increase in wind turbine performance is 1-5%, primarily by reducing yaw control error. These sensors are resistant to icing (built in heater) and require no maintenance after installation.
| Range | Resolution | |
| Wind speed measurement | 0 – 40 m/s | 0.025 m/s |
| Yaw error measurement | 1° | |
| Inflow inclination angle measurement | 1° | |
| Air temperature measurement | 1 K | |
|
Measurement duration
(complete measurement cycle)
|
0.010 s | |
|
Sampling frequency
(serial line output)
|
0.10 Hz – 10 Hz | |
| Internal sample rate F |
10 – 20 Hz
10 Hz default
|
|
| No of samples for averaging Nave | 1000 – 3000 | |
| Averaging time T = Nave / F | 1 s – 150 s |
| Title | Description | Filename |
|---|---|---|
| Anemometer uSonic-1 Spinner | DTU_Risoe_EWEC_2007_Spinner_Anemometry.pdf | |
| uSonic-1 Spinner - Brochure | Metek_Ultrasonic_Anemometer_Spinner_uSonic_1_Datasheet.pdf |
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uSonic 1 spinner, mounted on the cone of a wind turbine
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Testimonials 
We have been working with AMES for more than a decade and they are a reliable partner, who takes care that their equipment works flawlessly, gives professional support and is always ready to listen to the customer's wtishes when it comes to upgrades.
Bernarda Podgoršek Kovač
Manager of the environmental protection service
