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FILTERS FOR THE MEASUREMENT OF AUDIBLE SOUND IN THE PRESENCE OF ULTRASOUND

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1999

Publisher

National Standards Authority of Ireland

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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.

Committees responsible
National foreword
Specification
Introduction
1. Scope
2. Filter characteristics
3. Sensitivity to various environments
4. Rating information and instruction manual
Tables
1. U-weighting characteristics. Relative frequency
     response and tolerances
2. Pole locations for U-weighting
Annex
ZA (normative) Normative references to international
     publications with their corresponding European
     publications

Gives the electrical characteristics of a U-weighting filter mainly for use with sound level meters meeting the requirements of IEC 651 for the measurement of audible sound in the presence of ultrasound.

DevelopmentNote	For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType	Standard
Pages	22
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
NF EN 61012 : 1998	Identical
BS EN 61012:1998	Identical
SN EN 61012 : 1998	Identical
IEC 61012:1990	Identical
UNE-EN 61012:2001	Identical
NBN EN 61012 : 1998	Identical
DIN EN 61012:1998-09	Identical
EN 61012:1998	Identical