... Measurement itemsAir velocity&Air temperature Measurement rangeAir velocity:0~45m/s, 0~140km/hr, 0~8800Ft/min, 0~88Knots, 0~100mph ... ~45°C,32~113°F( Accuracy:±2°C)Resolution0.2°C, 0.1m/sUnit of velocitym/s,Ft/min,Knots,Km/hr,MphBeaufort scale √°C/°F selection ... Gross Weight 17.5kg Digital Anemometer (Air velocity:0-45m/s,Air Temp:0~45C) (SV1232)