The pitot tube is used for measuring air flow in ducts. It produces a small differential pressure which varies with the velocity of the air. This pitot tube has multiple ports along the length of the pitot which produce an average of the air speed in the duct.
Pitot Tube
Here is a photo showing 10 units of the long 1 meter length for an OEM client. We can do customizing with these pitot tubes for longer lengths and work up designs for large size averaging air flow stations. Send us an email to discuss