Standard

NEK IEC 61027:1991

Apr 1991 Withdrawn

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Language English

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Abstract

Covers instruments designed primarily for the measurement of modulus of acoustic impedance/ admittance in the human external acoustic meatus using a probe tone of 226 Hz. Defines the characteristics to be specified by the manufacturer, lays down performance specifications for four types of instrument and specifies the facilities to be provided on three of these types. Methods of test to be used for approval testing rather than routine calibration are also specified.

Document information

Standard from NEK
Published: 17 April 1991
Withdrawn: 23 November 2004
Edition: 1.0
Version: 1
Document type: NAT
Pages
ISBN:

ICS 17.140.50
National Committee TC 29

Product Relations

Replaced by: NEK IEC 60645-5:2004
Adopted from: CISPR 16-2:1996+AMD1:1999+AMD2:2002 CSV
Adopted from: CISPR 16-2:1996+AMD1:1999 CSV
Adopted from: CISPR 16-2:1996 ED1

NEK IEC 61027:1991

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Abstract

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Abstract

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