With its handy format, pocket sized vane anemometer testo 410-2 is extremely suitable for fast check measurements at ventilation grilles and outdoors. Ideal anemometer for air velocity measurement at ventilation grilles (air outlets) and for inspecting air conditions also outdoors. Pocket sized testo 410-2 also measures humidity and air temperature. The anemometer can also accomplish the calculation of parameters such as dew point and wet bulb temperature, wind chill or Beaufort wind force all at the touch of a button.