The purpose of this standard is to define a repeatable method for testing the steady-state air diffusion performance of an air distribution system in occupied zones of building spaces and specifies equipment and procedures for measuring the air speed and temperature. This method is based on air velocity and air temperature distributions at specified heating or cooling loads and operating conditions.

This standard applies to furnished or unfurnished spaces, with or without occupants. It also applies to air distribution systems, including those in which air outlets are located inside, inside and outside, or outside of the occupied zone and local air velocities in the occupied zone that are or are not under control by individual occupants.

Keywords: air diffusion, air distribution, air speed, air temperature

 

Units: Dual