Airflow Measurement

Airflow measurement helps buildings meet the minimum outdoor air requirements of ASHRAE Standard 62 or California Title 24 by providing accurate monitoring and control of outside air.

Greenheck airflow measuring products are available with either differential pressure based technology or thermal dispersion technology. Differential pressure based airflow measuring products use an array of air pressure pick-ups to compare the total pressure going through the airflow station with the static pressure in the station or pressure drop across a calibrated orifice (fan inlet venturi). Thermal dispersion technology utilizes an array of thermal dispersion nodes positioned across the face of a duct or opening.