... fpm, 0.1°C, 0.1°F Range: 0.4~20 m/s, 80~4000 fpm Sample Rate: 0.5sec Operating temperature ... : 0.4~20 m/s, 80~4000 fpm, 0~100%RH, -10~50°C, 14~122°F Accuracy:±(2% of reading + 0.3m/s)±(2 ... , m^2, ft^2 Resolution: 0.1 m/s, 1 fpm, 0.1°C, 0.1°F ,1m^3/s Range: 0.4~20 m/s ... , 0~99999m^3/s, -10~50°C, 14~122°F Accuracy:±(2% of reading + 0.3m/s)±(2% of ...