For measuring wind speed, flow and temperature with a single instrument. Up to 10 measurements recorded in memory; auto on/off; incorporates hold function; shows max and min wind speed and temperature, and average temperature can also be displayed; dual LCD display with wind speed, air flow and temperature; vane type wind sensor with a range of 0.5 – 40.0 m/s and resolution of 0.1 m/s; temperature range of 0 – 50 ºC and resolution of 0.1 ºC; wind accuracy: ±3% rdg or ±0.8m/s; temperature accuracy: ±0.5 ºC; power supply: 3 AAA alkaline batteries; sensor dimensions 77 x 168 x 33 mm; weight: 323 g; cable: 1 m.