Skywatch Wind measures wind speed, air temperature and wind chill quickly and accurately. • Wind speed measurement units km/h, mph, m/s, knot and Beaufort<br />• Air temperature measurement in °C and °F<br />• Maximum wind speed and maximum wind speed display for the entire operating time<br />• Air temperature <br />• Frost bite<br />• User replaceable impeller<br />• Waterproof (IP67) and floating<br />• Auto shut off<br />• Lanyard included<br /><br />Battery : Pre-installed lithium battery (designed to last at least 250,000 measurements)<br />Wind accuracy: One decimal point up to 99.9, then whole number accuracy<br />Wind accuracy: +/- 3% FS<br />Wind measurement range: 3 ‒185 km/h; up to 100 nodes; up to 115 mph; up to 50 m/s<br />Air temperature accuracy: Tenth of a degree<br />Air temperature accuracy: +/- 0.3°C at 20°C; +/- 0.5°C at temperatures -30 ... +70°C<br />Air temperature measurement range: -30°C ... +70°C; -22°F ... +160°F<br />Air temperature measurement interval: every 0.5 seconds
