Overview Specifications Features Videos Reviews Rugged wind sensor handles speeds from 2.3m/s to over 55 m/s. Reed switch/magnet provides one pulse per rotation, with a sapphire bearing to minimize wear. Comes with exterior grade wire. The Vortex wind sensor is great for do-it-yourself projects, replacement, or additional parts. The Vortex Wind Sensor includes: High quality 3-cup rotor pressed on a stainless steel shaft Rugged Delrin body with bronze and Rulon bushings Flat aluminum mounting bracket with 2 holes Reed switch and magnet providing one pulse per rotation 10 meter of exterior grade wire Converting pulses to wind speed is simple using the following formula: 2.5 mph per Hz (1 Hz = 1 pulse/second) 1.1176 m/s per Hz (1 Hz = 1 pulse/second) Please Note: Price does not include VAT. For UK orders VAT is calculated at checkout. International orders are not subject to VAT.