Standard

NEK EN 60118-4:1998

Aug 1998 Withdrawn

Note: This standard has a new edition: NEK EN 60118-4:2015

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Language English

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Abstract

Applies to audio-frequency induction loop systems producing an alternating magnetic field and intended to provide an input signal for hearing aids operating with an induction pick-up coil. Specifies a standard value of magnetic field strength in audio-frequency induction loops for hearing aid purposes, such as will give an adequate signal-to-noise ratio without overloading the hearing aid.

Document information

Standard from NEK
Published: 6 August 1998
Withdrawn: 1 November 2009
Edition: 1
Version: 1
Document type: NAT
ISBN:

ICS 17.140.50
National Committee NEK/NK29

Product Relations

Replaced by: NEK EN 60118-4:2006
Adopted from: EN 60118-4:1998 , 0

NEK EN 60118-4:1998

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NEK EN 60118-4:2015

NEK EN 60118-4:2006