... s anemometer temperature humidity. VA8020 Temperature/Vane anemometer Measure: m/s, km/h, fpm, mph, kts, Beaufort ... m/s, 80~4000 fpm, 0~100%RH, -10~50°C, 14~122°F Accuracy:±(2% of reading ... + 0.3m/s)±(2% of reading + 60fpm)±3%RH (5~ ... 20 m/s, 0~99999m^3/s, -10~50°C, 14~122°F Accuracy:±(2% of reading + ... 0.3m/s)±(2% of reading + 60fps)±1°C, ±1.8°F±(3% of reading)m^3 ...