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ASHRAE 41.2 Document Information:
Title
Standard Methods for Laboratory Airflow Measurement
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.
Publication Date:
Jul 2, 1987
Scope:
The procedures described herein are intended for use in testing air-moving, air-handling, and air-distribution equipment and components, The particular method(s) used shall be determined by the operating tolerances, instrument accuracies, and instrument precision required to achieve the objectives of the product test.
The recommendations herein include consideration of density effects on accurate measurement of flow rates.
The procedures in this standard are intended primarily for use in laboratory testing of heating, ventilating, air- conditioning, and refrigerating components and equipment and do not necessarily apply to field testing of installed equipment and systems.
The procedures in this standard are intended for application only to flow ineasurements of air at pressures to the measuring equipment not exceeding 100 in. of water (25 kPa) gage.
Not included are procedures for testing fans, blowers, exhausters, compressors, and other air-moving devices whose principal function is to produce a stream of moving air, which fall within the scope of ANSI/ASHRAE Standard 51-1985, ANSI/MCA Standard 210-85.
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