Historical
ANSI/ASHRAE 41.7-1984 (RA 2006)
Method of Test for Measurement of Flow of Gas
Provides recommended practices for measurement of the flow of dry gases. Intended for reference or incorporation in other ASHRAE standards. Provides flow measurement techniques for volatile refrigerant, gaseous phase, and air under conditions where the methods for flow measurement set forth in the proposed ASHRAE Standard 41.2, Standard Methods for Airflow Measurement, are inconvenient or unsatisfactory. Dual units of measurement.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]