... Sample Rate: 0.5sec Operating temperature: -10~50°C, 14~122°F Special function: Auto power off; Data ... , kts, Beaufort, %RH, td(dew point temperature), °C, °F Resolution: 0.1 m/s, 1 fpm, ... 80~4000 fpm, 0~100%RH, -10~50°C, 14~122°F Accuracy:±(2% of reading + 0.3m ... reading + 60fpm)±3%RH (5~95%RH)±1°C, ±1.8°F Special function: Auto power off ... m/s, 0~99999m^3/s, -10~50°C, 14~122°F Accuracy:±(2% of reading + 0. ...