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I.S. EN 457:1992

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

SAFETY OF MACHINERY - AUDITORY DANGER SIGNALS - GENERAL REQUIREMENTS, DESIGN AND TESTING
Available format(s)

Hardcopy , PDF

Superseded date

11-25-2005

Language(s)

English

Published date

01-01-1992

Preview

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.

Cooperating organizations
National foreword
Foreword
Specification
0 Introduction
1 Scope
2 Normative references
3 Definitions
4 Symbols
5 Safety requirements
6 Test methods
7 Calculation of effective masked threshold
8 Guidelines for the design of auditory danger
     signals
Tables
A.1 Calculation of the level of the masked threshold
     for a given octave spectrum
B.1 Mean attenuation data of a hearing protector
     according to ISO 4869-1
Figures
B.1 Graph displaying the octave band analysis of the
     ambient noise, the masked threshold and of the
     auditory danger signal during the 'on' period
B.2 Graph displaying octave band analysis of the
     ambient noise equal to the masked threshold and of
     the auditory danger signal
B.3 Graph displaying octave band analysis of the basic
     traffic and crane noise, the masked threshold and
     of the auditory danger signal
B.4 Graph displaying octave band analysis of ambient
     noise equal to the masked threshold and of the
     auditory danger signal
B.5 Graph displaying octave band analysis of the
     ambient noise, the masked threshold and of the
     auditory danger signal
B.6 Graph displaying the octave band analysis of the
     ambient noise, the masked threshold and the
     auditory danger signal (above) and the effective
     levels under the hearing protector (below)
Annexes
A (informative) Example for the calculation of the
     effective masked threshold according to clause 7
B (informative) Examples of warning signals
National appendices
NA (informative)
NB (informative)

Specifies the safety and ergonomic requirements and the corresponding test methods for auditory danger signals and gives guidelines for the design of the signal to be clearly perceived and differentiated as required by legislation.

DocumentType
Standard
Pages
24
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
SN EN 457 : 1993 Identical
UNI EN 457 : 1993 Identical
DIN EN 457:1992-04 Identical
NBN EN 457 : 1992 Identical
ISO 7731:2003 Identical
EN 457 : 1992 Identical
NEN EN 457 : 1993 Identical
UNE-EN 457:1993 Identical
NF EN 457 : 1992 Identical
NS EN 457 : 1ED 1992 Identical
BS EN 457:1992 Identical

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