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ASTM E1050-98

Historical Revision

Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System

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1.1 This test method covers the use of an impedance tube and the use of a two-microphone method and a digital frequency analysis system for the measurement of normal incidence sound absorption coefficients and normal specific acoustic impedance ratios of materials.

1.2 This standard does not purport to address the safety problems associated with its use. It is the responsibility of the user of this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number E1050
Publication Date June 10, 1998
Language en - English
Page Count 11
Revision Level 98
Supercedes
Committee E33.01
Publish Date Document Id Type View
May 1, 2024 E1050-24 Revision
Oct. 1, 2019 E1050-19 Revision
April 1, 2012 E1050-12 Revision
Sept. 1, 2010 E1050-10 Revision
Jan. 15, 2008 E1050-08 Revision
Dec. 1, 2007 E1050-07 Revision
June 10, 1998 E1050-98 Revision
Sept. 1, 2006 E1050-98R06 Reaffirmation