3 Windy B/SD anemometer measures wind speed, direction and temperature. The Windy B/SD connects to Apple and Android smartphones or tablets to show wind, direction and temperature data. The data can be automatically synced to Dropbox & viewed or analyzed. You can view current, average & maximum wind speed, wind direction, temperature and view history graphs from within the app. Ideal for wind and temperature monitoring for spraying conditions. Features: - Wireless bluetooth link to smart phones and tablets via app on Apple and Android Range up to 90 m (device dependent) - Data refresh every 1 second - 2 year battery life of sensor - Wind tunnel calibrated sensors with precision stainless steel ball bearing and replaceable cups - Displays current, average, maximum wind speed, wind direction, temperature and history graphs (on mobile app) - User defined wind speed alarm Wind speed measurement range: 0.6 m/s - 50.0 m/s Wind speed resolution: 0.1 m/s Wind speed accuracy: +/- 3% Wind direction measurement range: 0 - 359 Wind direction resolution: 1 Wind direction accuracy:+/- 2.5 Temperature measurement/operating range: -25C to +60 C Temperature resolution: 1 C Data transmission rate: every 1 second Range: up to 90m Battery (replaceable): 3,6 V AA lithium battery Battery life: up to 2 years Bearings: Precision stainless steel ball bearing Material: - housing: Aluminium / PVC - cups (replaceable): PA (NYLON) - vane (replaceable): Carbon Dimensions - WSD sensor: - Height 250 mm - overall vane diameter 220 mm - cup to cup 120 mm Mounting: mounts on a pipe with 20 mm diameter Magnetic and self levelling mounting accessories and spare cups and wind vane are available. Please contact us for more information. PLEASE NOTE: There may be a lead in time of up to 2 weeks on this product depending on stock levels.