Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris.

Ultrasonic anemometers have no moving parts but come at the cost of significantly more electronic complexity. They work by measuring the ... and a BME280 for air pressure, humidity, and temperature.

Sonic anemometer - Uses ultrasonic sound waves to measure wind speed based on the time of flight of sonic pulses between pairs of transducers and can measure wind velocity in 3 dimensional flow.

Posifa Technologies today announced its participation in AHR Expo 2025, taking place February 10-12 at the Orange County Convention Center in Orlando, Florida. In booth 893, the company will showcase ...

Also on display will be PAV5000 series MEMS anemometer ... in-duct air velocity monitors. Fully calibrated and temperature-compensated, the PAV5000 series provides precise airspeed measurement ...