Standard

NEK IEC 60118-8:2005

Oct 2005 Published

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Language English

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Abstract

Describes methods for a test which simulates the acoustical effects of a median adult wearer on the performance of a hearing aid. Establishes certain guidelines for simulated in situ measurements of hearing aids; it describes a simplified method for simulated in situ measurements of hearing aids and a description for determination of the directivity index (DI) of directional microphones in hearing aids in the horizontal plane. In addition this second edition now specifies tolerances. Conformance to the specifications in this International Standard is demonstrated only when the result of a measurement, extended by the actual expanded uncertainty of measurement of the testing laboratory, lies fully within the tolerances specified in this International Standard extended by the values for Umax

Document information

Standard from NEK
Published: 19 October 2005
Edition: 2.0
Version: 1
Document type: NAT
ISBN:

ICS 17.140.50
National Committee NEK/NK29

Product Relations

Adopted from: IEC 60068-2-67:1995+AMD1:2019 CSV
Adopted from: IEC 60068-2-67:1995 ED1
Replaces: NEK IEC TR 60118-8:1983
Adopted from: IEC 60118-8:2005

NEK IEC 60118-8:2005

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