Extech Instruments AN340 CMM/CFM Anemometer and Psychrometer Data Logger

Amazon

Manually store/recall up to 99 readings Built-in PC interface Measures Air Velocity, Air Flow, Air Temperature, Humidity, Dew Point and Wet Bulb Color: Multicolour Package Weight: 2.087 kilograms Package Dimensions: 8.636 L x 46.482 H x 29.21 W (centimeters), Weight: 0.661386786 Pounds, Manufacturer: Extech

Test-meter.co.uk

Extech AN340 anemometer/psychrometer. Measures wind 0.5-20m/s, temp -20-60°C, humidity 0.1-99.9%. Datalogger with USB, 12,000 reading storage, 1s-5hr sampling. Includes software, probe, hard case.