TES420Volume flow hood

Make sure you get the testo 420 volume flow hood for larger ceiling outlets and at the same time enjoy multiple maintenance benefits on HVAC systems. Because the flow hood with the removable measuring instrument is not only exceptionally light, it also guarantees accurate volume flow calculations at swirl outlets

Volume flow hood weighing less than 2.9 kg

Volume flow hood for larger swirl outlets for measuring volume flow, temperature and relative humidity

Volume flow straightener for precise measurements at swirl outlets

Smartphone/tablet as a second display per App

App for creating on-site reports