The testo 420 flow hood 360 x 360 mm is lightweight and with flow straightening for more precise measurement at swirl outlets.

Accurately measure the airflow in your industrial and commercial buildings with this volume flow hood from Testo. This replacement accessory is designed for use with components in the 420 series for ease of installation. For convenient data transfer, the devices in this series are Bluetooth-compatible. The hood has a unique flow straightener that improves measurement accuracy, making it useful in applications where precise air control is needed.

• Hood is removable for ease of replacement
• Compact dimensions of 360 (length) x 360mm (width) to fit smaller inlets and outlets

• Processing and packaging industries
• HVAC systems
• Building construction

For error-free results, you should ensure that the outlet is at least 335mm wide and 335mm long.