ISO 16900-14:2020
Respiratory protective devices — Methods of test and test equipment — Part 14: Measurement of sound pressure level
This document specifies laboratory test methods for measuring the sound pressure level generated by the respiratory protective device (RPD) and by RPD warning devices, measured on a headform to which the RPD is fitted.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Prerequisites
5 General test requirements
6 Method A — Measurement of the noise level
6.1 Principle
6.2 Equipment
6.3 Procedure
6.4 Test report for method A
7 Method B — Measurement of warning sound pressure level
7.1 Principle
7.2 Equipment
7.3 Procedure
7.4 Test report for method B
Annex A (normative) Application of uncertainty of measurement — Determination of compliance
Bibliography
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Respiratory protective devices
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Prerequisites
5 General test requirements
6 Method A — Measurement of the noise level
6.1 Principle
6.2 Equipment
6.3 Procedure
6.4 Test report for method A
7 Method B — Measurement of warning sound pressure level
7.1 Principle
7.2 Equipment
7.3 Procedure
7.4 Test report for method B
Annex A (normative) Application of uncertainty of measurement — Determination of compliance
Bibliography