Air Volume Meter "testo 420"
For measuring air volume in clean rooms and offices! Suitable for measuring large supply and exhaust vents.
The testo 420 is a lightweight hood air flow meter weighing 2.9 kg. It can be mounted on a dedicated tripod. To accurately measure air flow even in large ventilation ducts, it is equipped with a straightener inside. Additionally, with the built-in differential pressure sensor, it can also be used as a differential pressure gauge by connecting a pitot tube. 【Features】 ■ The straightener smooths out turbulence inside the hood ■ Lightweight at 2.9 kg, comes with a convenient carrying cart ■ The main unit can be removed for differential pressure measurement ■ Maximum and minimum value display ■ Memory function (can continuously record for up to 15 minutes), can be connected to a PC *For more details, please download the PDF or feel free to contact us.
basic information
【Other Features】 ■ Wind speed calculation via Pitot tube connection ■ Automatic zero adjustment function to prevent zero point drift *For more details, please download the PDF or feel free to contact us.
Price range
Delivery Time
Model number/Brand name
0563 4200
Applications/Examples of results
[Usage] ■ Measurement of large supply and exhaust vents in offices, factories, commercial facilities, clean rooms, etc. *For more details, please download the PDF or feel free to contact us.
