Setting up the Testo 420 Air Balancing Flow Hood System
Video includes an overview of the different parts of the unit, the hood sizes, and how to assemble the Testo 420 for measuring. Learn how to turn the unit on and turn on Bluetooth for remote measurements.
Unit includes 610 x 610, 360 x 360, 305 x 1220, 610 x 1220 hoods and stand, and 500 mm pitot tube. Measures 40 to 4000 m3/hr ±3%, Temperature 0 to 70°C ±0.5°C, -20 to 0°C ±0.8°C, 0 to 100% RH ±1.8% +3% Rdg, Differential Pressure 0 to 120 Pa ±2% Rdg +0.05 Pa. Android or iPhone app can be downloaded for one man remote operation.
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