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ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 1: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND SUPRA-AURAL EARPHONES (ISO 389-1:2017)
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Available format(s): Hardcopy, PDF
Language(s): English
Published date: 01-01-2018
Publisher: National Standards Authority of Ireland
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.
National ForewordEuropean forewordForewordIntroduction1 Scope2 Normative references3 Terms and definitions4 SpecificationsAnnex A (informative) - Application of the RETSPLsAnnex B (informative) - Notes on the derivation of the RETSPLsBibliography
Defines a standard reference zero for the scale of hearing threshold level applicable to pure-tone air conduction audiometers, to promote agreement and uniformity in the expression of hearing threshold level measurements throughout the world.
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