Averaging pressure sensors and pitot tubes for measuring air flow rate in HVAC ducts. Dwyer Series A-301, A-302, A-303, and Pitot tubes for air velocity measurement.
Series A-301 averaging pressure sensor for measuring air flow rate in ducts. Multiple sensing points for accurate average velocity measurement.
Series A-302 averaging flow sensor for larger duct sizes.
Series A-303 averaging flow sensor for rectangular ducts.