EN 352-4:2001/A1:2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 4: LEVEL-DEPENDENT EAR-MUFFS
27-11-2020
12-01-2013
Foreword
Foreword to amendment A1
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Testing
6 Information supplied by the manufacturer
7 Marking
Annex A (normative) Test results, uncertainty of
measurement
Annex B (informative) Determination of criterion level and
spread out sound transmission for
level-dependent ear-muffs
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or
other provisions of EU Directives
Bibliography
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