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BS EN 13819-3:2019:2021 Edition

BS EN 13819-3:2019:2021 Edition

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Hearing protectors. Testing – Supplementary acoustic test methods

Published By Publication Date Number of Pages
BSI 2021 42
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This document specifies supplementary acoustic test methods for hearing protectors with additional electronic functions. The purpose of these tests is to enable assessment of the hearing protector performance as specified in the appropriate product standards.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
9 3 Terms and definitions
11 4 Symbols and abbreviations
5 Test conditioning and equipment
5.1 Conditioning and testing atmosphere
5.2 Occluded-ear simulator
5.3 Head simulator
5.4 Microphone in Real Ear (MIRE)
12 6 Test signals
6.1 General
6.2 HML test sounds
6.3 Broadband noise test sound
6.4 Speech signal
6.5 Entertainment audio test signal
13 7 Test procedures
7.1 General
7.2 Level-dependent hearing protectors
7.2.1 Introduction
7.2.2 Level-dependent earmuff
7.2.2.1 Test method
7.2.2.2 Calculation procedure
14 7.2.2.3 Report
7.2.3 Level-dependent earplug
7.2.3.1 Test method
15 7.2.3.2 Calculation procedure
16 7.2.3.3 Report
7.3 Active noise reduction (ANR) hearing protectors
7.3.1 General
17 7.3.2 Earmuff with active noise reduction
7.3.2.1 Test method
7.3.2.2 Calculation procedure
18 7.3.2.3 Report
7.4 Hearing protectors with FM radio receiver
7.4.1 General
7.4.2 Earmuff with FM radio receiver
7.4.2.1 Test method
19 7.4.2.2 Calculation procedure
7.4.2.3 Report
7.4.3 Earplug with FM radio receiver
7.4.3.1 Test method
20 7.4.3.2 Calculation procedure
7.4.3.3 Report
7.5 Hearing protectors with Bluetooth®) receiver
7.5.1 Earmuff with Bluetooth® receiver
7.5.1.1 General
21 7.5.1.2 Test method
22 7.5.1.3 Calculation procedure
7.5.1.4 Report
23 7.5.2 Earplug with Bluetooth® receiver
7.5.2.1 General
7.5.2.2 Test method
24 7.5.2.3 Calculation procedure
25 7.5.2.4 Report
26 7.6 Hearing protectors with electrical audio input
7.6.1 Earmuff with electrical audio input
7.6.1.1 General
7.6.1.2 Test method
27 7.6.1.3 Calculation procedure
7.6.1.4 Report
28 7.6.2 Earplug with electrical audio input
7.6.2.1 General
7.6.2.2 Test method
29 7.6.2.3 Calculation procedure
7.6.2.4 Report
31 Annex A (informative)Overview of supplementary acoustic test methods
33 Annex B (normative)HML test sounds and pink noise with Lp,A = 100 dB and tolerances
35 Annex C (informative)Calculation example for level-dependent hearing protectors
C.1 Calculation example for level-dependent earmuff
36 C.2 Calculation example for level-dependent earplugs
37 Annex D (informative)Calculation example for ANR
38 Annex E (informative)Uncertainty of measurement and interpretation of test results

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BS EN 13819-3:2019
$167.15