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  • Description:
    Measurement range : -20 to +70 °C | 0 to 100 %RH | -120 to +120 Pa | 40 to 4000 m³/h
    Dimensions : 610 x 610 mm (Standard hood)
    Weight : 2900 g
    ~Volume flow hood for larger swirl outlets for measuring volume flow, temperature and relative humidity
    ~Impressively light with a weight of 2.9 kg
    ~Precise measurement even at swirl outlets thanks to integrated volume flow straightener
    ~Fast set-up, convenient operation and protocol creation on site using the App

    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