ANSI S12.11 : 1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
08-07-2003
English
01-01-1997
Covers the determination of noise emission for small air-moving devices generally used in cooling electronic, electrical or mechanical equipment. These devices include propeller fans, tubeaxial fans, vaneaxial fans, centrifugal blowers, transverse blowers, cabinet blowers and variations of these types. Does not cover the measurement of aerodynamic performance.
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