Gill Instruments WindSonic: Low Cost Ultrasonic Wind Sensor
The WindSonic is a low-cost 2-axis ultrasonic anemometer, providing wind speed (0-60m/s) and direction data in a robust housing. This anemometer has no moving parts, offering maintenance-free operation in a wide range of applications.

Gill Instruments WindSonic 75: Low Cost Ultrasonic Wind Sensor
WindSonic75 is a compact, low-cost 2-axis ultrasonic anemometer, providing high wind speed (0-75m/s) and direction data in a robust housing. WindSonic75 has no moving parts, offering maintenance-free operation and no re-calibration for a wide range of applications.

Gill Instruments WindSonic M: Low Cost Ultrasonic Wind Sensor with Aluminium Body
WindSonic M has a hard-anodized aluminium alloy construction and optional heating system extending the operational temperature range. This rugged product is particularly suited to extreme environments.