The E Instruments DBM 620 Air Flow Meter is a multipurpose electronic air balancing instrument primarily used for efficiently taking direct air volume readings from air vents.
The DBM 620 comes with 1 base including the measurement grid and a temperature and hygrometry probe, 1 removable measuring unit with Bluetooth connection, 1 hood of 2 x 2 ft (610 x 610 mm) with flow straightener and foldable frame, 1 sheath including the 4 frame fixing rods, 2 x 0.80 m of silicone tube, replacement hinges for frames, 1 transport case and 1 calibration certificate.
Airtight Hood The DBM 620 air flow meter comes in standard with a 2 x 2 ft (610 x 610 mm) hood. The hood is airtight and has a transparent viewing window that allows the user to see through the vent to ensure the hood is in the proper position.