... h, fpm, mph, kts, Beaufort scale, °C, °F Resolution: 0.1 m/s, 1 fpm, 0.1°C, 0.1°F Range: 0.4~20 m ... , %RH, td(dew point temperature), °C, °F Resolution: 0.1 m/s, 1 fpm, 0.1%RH, 0.1°C, 0.1°F Range: 0.4~20 ... /s)±(2% of reading + 60fpm)±3%RH (5~95%RH)±1°C, ±1.8°F Special function: Auto power off; Data hold; MAX ... 2% of reading + 0.3m/s)±(2% of reading + 60fps)±1°C, ±1.8°F±(3% of reading)m^3/s Special function ...