Air Velocity and Flow Measurement with Pitot Tubes

Pitot Tubes Series 160, 166T, and 160S

Dwyer offers many styles of Pitot tubes. Pitot tubes are commonly used sensors for monitoring air velocity and flow rate in heating, ventilation, and air conditioning. Some examples include the: Stainless Steel Pitot Tube Series 160, Telescoping Stainless Steel Pitot Tube Series 166T, and “S” Type Stainless Steel Pitot Tube Series 160S.

Henri Pitot

Pitot tubes are based on Bernoulli’s equation, which states that an increase in the speed of a fluid occurs simultaneously with an increase in dynamic pressure and a decrease in static pressure. Pitot tubes sense the dynamic pressure of the fluid flow at a particular point and were invented by French Engineer Henri Pitot in the early 18th century. Continue reading “Air Velocity and Flow Measurement with Pitot Tubes”

Why Does the SMART Air Hood® Balancing Instrument Measure a Lower Flow than Traditional Air Flow Hoods?

Many new users of the award-winning SMART Air Hood® Balancing Instrument (Series SAH) compare their new readings to those of their old, traditional air flow hoods. While the readings on a 3 cone step diffuser, 4 way diffuser and many return registers are very similar; users have noticed that swirl diffusers, slot diffusers and other directional diffusers give a lower reading on the SMART Air Hood® Balancing Instrument when compared to traditional air flow hoods. Continue reading “Why Does the SMART Air Hood® Balancing Instrument Measure a Lower Flow than Traditional Air Flow Hoods?”

TABopts Software for the Award Winning SMART Air Hood® Balancing Instrument

The Dwyer SMART Air Hood® Balancing Instrument now has a TABopts Software option to make a great user experience even better.

The software by Ameritech Data Solutions presented with the HVAC air flow hood was unveiled at the 2018 AHR Expo.

How does a revolutionary and multi-award winning HVAC product become even more valuable to customers and the marketplace? Dwyer found a way to provide greater capabilities. Continue reading “TABopts Software for the Award Winning SMART Air Hood® Balancing Instrument”