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Save 10% on testo 440 kits and testo 420 volume flow hood

For a limited time only testo are offering 10% off selected testo 440 kits and testo 420 volume flow hood, from your specialist dealer. Offer ends 31.08.22.

Made for your job – the testo 440 complete kits

The testo 440 combines a compact hand-held measuring instrument with intuitive measurement menus and a comprehensive selection of air velocity & IAQ probes. Use it to keep all your air conditioning and ventilation measurements safely and reliably under control.

Ideal for:

• Adjusting air conditioning and ventilation systems

• Checking flow in ducts and at outlets

• Monitoring air quality

• Measuring comfort

Discover the versatile testo 440 in practical complete kits now at:

The exceptionally lightweight testo 420 volume flow hood

The testo 420 is the lightest volume flow hood on the market, coming in at just 2.9kg. Light, precise and convenient: the testo 420 volume flow hood significantly facilitates volume flow measurement at larger air intakes and vents.


• Ergonomic and lightweight (less than 2.9kg)

• High-precision

• Efficient

Convenient operation via the testo Smart App

Compatible measurement, documentation and sending reports with the testo 400

Find out more:

18 May 2022


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