Description: The OMEGA® HHF141 rotating vane anemometer is a high-quality instrument providing highly accurate air velocity measurements in harsh environments via a user-friendly and intuitive ...

To calibrate the device, [Sergei] made a second hand-held unit that he could (presumably ... But the star of the show, that lets the anemometer spin effortlessly, is the sweet bearing that ...

Weather stations are a popular project for experimenting with various environmental sensors, and for wind speed and direction the choice is usually a simple cup anemometer and wind vane.