The testo 417 Kit 1 combines high-precision airflow measurement with practical adaptability, offering HVAC professionals a complete solution for assessing air inlets and outlets in ventilation systems. At its core is the testo 417 vane anemometer, equipped with a 100 mm integrated vane to ensure quick, consistent readings of air velocity, temperature, and volume flow.

Designed for simplicity and speed, this kit is perfect for tasks like balancing residential ventilation systems, thanks to its automatic time and point averaging functions and real-time volume flow calculations. The addition of the testo Smart App enhances usability even further, allowing you to configure measurements, view live results, record data, and create documentation—all directly from your smartphone.

This kit includes two interchangeable measuring funnels, purpose-built for use with plate outlets and ventilation grilles, accommodating a broad range of duct and terminal formats. These snap-on accessories enable precise air capture and volume flow analysis, making your measurements more accurate and efficient.

Whether you're working in homes, commercial spaces, or commissioning new systems, the testo 417 Kit 1 offers the tools and technology to ensure balanced airflow and professional-level results every time.