I.S. EN ISO 10534-1:2001
Current
The latest, up-to-date edition.
ACOUSTICS - DETERMINATION OF SOUND ABSORPTION COEFFICIENT AND IMPEDANCE IN IMPEDANCES TUBES - PART 1: METHOD USING STANDING WAVE RATIO
Hardcopy , PDF
English
01-01-2001
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Fundamentals
6 Test equipment
7 Preliminary tests and measurements
8 Mounting of the test sample
9 Test methods
10 Transformation of reflection factor and impedance
11 Test report
Annex A (normative) Preliminary measurements
Annex B (normative) Verification of the test equipment
Annex C (normative) Pressure-release termination of test sample
Annex D (informative) Determination of diffuse sound absorption
coefficient alpha(st) of locally reacting absorbers
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