... m/s, 1 fpm, 0.1°C, 0.1°F Range: 0.4~20 m/s, 80~4000 fpm Sample ... fpm, 0.1%RH, 0.1°C, 0.1°F Range: 0.4~20 m/s, 80~4000 fpm, 0~ ... C, ±1.8°F Special function: Auto power off; Data hold; MAX MIN; Back light; Overload display; Low battery indicator ... 1 fpm, 0.1°C, 0.1°F ,1m^3/s Range: 0.4~20 m/s, 0~99999m^ ... °F±(3% of reading)m^3/s Special function: Auto power off; Data hold; MAX MIN; Back light; Overload display ...