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”

Dwyer Recognized for HVACR Product Excellence

Dwyer Instruments, Inc. was recognized for excellence in product design in the 14th annual Dealer Design Awards Program sponsored by The Air Conditioning Heating & Refrigeration News Magazine (The ACHR News). An independent panel of contractors acted as judges in the contest that had 81 entries. Three Dwyer products stole the spotlight this year: the PredictAir™ Application Software; the Series AVUL, Air Velocity Transmitter; and the Series 490A-HKIT, Hydronic Differential Pressure Manometer.  ACHR News is the leading trade magazine in the heating, ventilating, air conditioning, and refrigeration industries.

Continue reading “Dwyer Recognized for HVACR Product Excellence”

What are Thermo-Anemometers or Hot Wire Air Velocity Sensors?

Thermo-Anemometers

Dwyer Instruments, Inc. offers many air velocity measuring products that use thermal or hot-wire sensors as the sensing element. There are fixed duct mount styles for continuous monitoring, such as the Air Velocity Transmitters, Series 641, and portable insertion styles for testing, such as the Thermo-Anemometer Test Instrument, Model 471B and the Thermo-Anemometer Probe, Series AP2.

Continue reading “What are Thermo-Anemometers or Hot Wire Air Velocity Sensors?”