RS Pro AVM-01 is a great value, ergonomic, easy-to-use rotating vane anemometer. It can be read while measuring because the vane is detached.
Measurement Parameters = Air Velocity, Temperature
Maximum Air Velocity = 45 m/s, 88 knots, 100 mph, 140 km/h, 8800 ft/min
Best Air Velocity Accuracy = ±3 %
Air Velocity Resolution = 0.1 km/h, 0.1 m/s, 0.1 mph, 0.1 knots, 10 ft/min
Probe Type = Vane
Maximum Temperature = +140 °F, +60 °C
Temperature Measurement Resolution = 0.1 °C, 0.1 °F
Best Temperature Measurement Accuracy = ±0.8 °C %, ±1.5 °F %
Power Source = Battery
Battery Type = 9V