... increase the calculation, measuring temperature and relative air Air Flow AnemometerDigital anemometer in measure wind speed as ... intellectualized measurement in the basic instruments, heating, ventilation, air conditioning, environmental protection, energy conservation monitoring, meteorology, agriculture, refrigerating ... ³/ min°C / °F√√Accuracy of temperature± 2°C± 2°CAccuracy of air velocity±3%±0.1 ...