Diffusers are air vents that blow in all directions simultaneously, keeping air moving gently around a room without the occupants feeling a draught. Since the air trajectories are much more complex, the only tool for the job is an air flow meter.
An air flow meter is the only instrument that can take reliable measurements at diffusers, irrespective of their design. It includes a foldable, swappable air flow hood (available in various shapes and sizes) and a differential pressure measurement grille, both linked to a multifunction measurement device.
As the most sophisticated type of instrument used in this sector, an air flow meter is capable of measuring multiple parameters at once: air flow, air velocity, temperature, humidity and pressure. Our DBM 620 air flow meter is the first of its kind that can calculate the hourly air change rate in a room by combining air flow readings from all vents.
|The principle that if you can do something complicated, you can do something simple holds true: an air flow meter is equally suited to taking measurements at one-way air vents. The only drawback is that it’s oversized for small extractor fan vents.