Purpose and Scope This standard establishes uniform test methods for a laboratory test of a fan or other air moving device to determine its aerodynamic performance in terms of airflow rate@ pressure developed@ power consumption@ air density@ speed of rotation and efficiency for rating or guarantee purposes. This standard applies to a fan or other air moving device when air is used as the test gas@ with the following exceptions: (a) air circulating fans (ceiling fans@ desk fans); (b) positive pressure ventilators; (c) compressors with interstage cooling; (d) positive displacement machines; and (e) test procedures to be used for design@ production or field testing.