SN EN 13819-2 : 2003
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
HEARING PROTECTORS - TESTING - PART 2: ACOUSTIC TEST METHODS
04-01-2021
01-12-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test methods
4.1 Insertion loss (ear-muffs only)
4.1.1 Principle
4.1.2 Apparatus
4.1.3 Procedure
4.1.4 Report
4.2 Sound attenuation
4.2.1 Principle
4.2.2 Apparatus
4.2.3 Procedure
4.2.4 Report
4.3 Sound level effective to the ear (ear-muffs only)
4.3.1 Principle
4.3.2 Apparatus
4.3.3 Procedure
4.3.4 Report
Annex A (informative) Uncertainty of measurement and
interpretation of test results
Annex ZA (informative) Clauses of the European standard
addressing essential requirements or other
provisions of EU Directive
Bibliography
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