Standard 41.7 prescribes methods for gas flow measurement and applies to laboratory and field gas flow measurement for testing heating, ventilating, air-conditioning, and refrigerating systems and components.
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ASHRAE 41.7-2015 (RA 2018)
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Standard 41.7-2015 (RA 2018) — Standard Methods for Gas Flow Measurement (ANSI Approved)
ASHRAE , 2018