Testo 420 Air Flow Capture Hood
by Testo
Lightweight balometer with patented flow straighteners for accurate readings at turbulent outlets, Bluetooth app streaming, and removable micromanometer.
6.9 - Good Media

Overview
The Testo 420 is a professional air flow capture hood weighing under 6.4 lbs, measuring flows from 80 to 3500 m3/h. Its patented flow straightener technology improves measurement accuracy at turbulent swirl outlets. The integrated measuring unit detaches for standalone pressure, flow, and velocity measurements via Pitot tube. Multiple hood sizes from 14x14 to 36x36 inches are available, and Bluetooth connectivity enables live measurement streaming through the testo 420 app.
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