Testo 405 Pocket Sized Thermal Anemometer features a permanently mounted telescope and enables you to measure air flow, volumetric flow, and air temperature. The measuring range for the flow is between 0 to 10 m/s, volumetric flows are calculated up to 99,990 m3/h.

Applications:  Measures flow measurements in ventilation ducts, Measure air velocity in rooms for checking indoor air quality and low air velocities, at draughty windows.