Accurate and Lightweight Flow Hood Kit

The Testo 420 flow hood kit is a game-changer for HVAC professionals who need to measure volume flow at registers and returns. Its patented flow straighteners ensure accurate and stable measurements, even at turbulent outlets. With a lightweight design that weighs less than 6.4 lbs., this kit is easy to handle and transport.

NIST Traceable Calibration for High Accuracy

The Testo 420 flow hood kit comes with a NIST traceable calibration certificate, ensuring that your measurements are accurate and reliable. This certificate is a guarantee that your kit has been calibrated to the highest standards, giving you confidence in your results.

Multi-Function Flow Instrument with Bluetooth Connectivity

The detachable 420 multi-function flow instrument is a powerful tool that can be used with the flow hood, pitot tubes, or flow matrix. With Bluetooth connectivity, you can easily transfer data to your smartphone or tablet using the free Testo app. This allows for quick and easy remote monitoring and reporting.

Ergonomic Design for Easy Handling

The Testo 420 flow hood kit is designed with ergonomics in mind. The kit features ergonomic handles and a tiltable display, making it easy to use and transport. The optional tripod stand provides convenient handling when testing in large buildings or at greater heights.

Free App for Efficient Data Management

The Testo app is a powerful tool that allows you to stream live measurements, save data in .txt format, and create measurement protocols directly on site. You can also assign measurement results to customer-specific folder templates and send readings via email, saving you time and increasing efficiency.