NEW LI-560

TriSonica® Sphere

Ultrasonic Anemometer

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studio photo of LI-560 TriSonica Sphere

The LI-560 TriSonica® Sphere Ultrasonic Anemometer offers accurate vertical measurements at fast sampling rates, making it ideal for mobile and stationary atmospheric research.

Its patented spherical design dramatically reduces structural shadowing while it increases the accuracy of vertical wind measurements. Its all-aluminum construction enhances durability while maintaining its size, weight, and power (SWaP) advantage. This makes the LI-560 ideal for drone deployment.

The design and open path geometry of the LI-560 enable it to accurately capture measurements of all three dimensions (U, V, W) of air flow with the least possible distortion of the wind field, especially vertical turbulence.

studio photo of LI-570 TriSonica Data Logger

LI-570 TriSonica Data Logger

The LI-570 TriSonica Data Logger is small, lightweight, weather-resistant, and can collect data from multiple devices, including multiple TriSonica sensors.

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TriSonica 550USB studio photo


The USB adapter for configuring the anemometer and viewing data is available (it is not for outdoor use). We also offer cables for power and data transfer to the LI-570 Data Logger and customer-supplied equipment, as well as mounting adapters for tripods and custom platforms.

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LI-560 Specifications

  • Power Supply Voltage: 5 - 32 VDC
  • Power: 600 mW (500mW typical)
  • Operating Environment:
    • Altitude: Up to 5000 meters
    • Temperature: -20 to 72 °C
    • Relative Humidity: 0 to 100% (non-condensing)
    • The 550USB is not rated for outdoor use.
  • Transient Overvoltage: Category I
  • Temporary Overvoltage: 40 V
  • Pollution Tolerance: Level 3 (enclosure must be intact)
  • Sampling Frequency: 100 Hz maximum
  • Ultrasonic Frequency: 60 kHz ±5 kHz
  • Weight: 225 grams
  • Size: 10.2 x 10.2 x 24.9 cm
  • Digital Output: RS-232, RS-422, UART-3V
  • Output Rate: 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 Hz, 25 Hz, 50 Hz, 100 Hz
  • Wind Speed Measurements:
    • Range: 0-50 m/s
    • Resolution: 0.01 m/s
    • Accuracy: (0-10 m/s): ±1%*
    • Accuracy: (11-30 m/s): ±1%
    • Accuracy: (31-50 m/s): ±2%
    • *Averaged over 10 seconds
  • Wind Direction Measurements:
    • Range (u/v): 0-359°
    • Range (w): ±60°
    • Resolution: 1.0°
    • Accuracy: ±1.0°
    • Accuracy: (31-50 m/s): ±2%
  • Temperature Measurements:
    • Range: -20 °C to 72 °C
    • Resolution: 0.01 °C
    • Accuracy: ±2.0 °C
  • Accelerometer:
    • Range (u, v, w): ±2 g
    • Tilt (pitch, roll): ±90°

Specifications subject to change without notice.

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