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BS EN 13819-1:2020

BS EN 13819-1:2020

$198.66

Hearing protectors. Testing – Physical test methods

Published By Publication Date Number of Pages
BSI 2020 56
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This document EN 13819?1 specifies physical test methods for hearing protectors. The purpose of these tests is to enable assessment of the performance of the hearing protector as specified in the appropriate product standard.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Earmuffs
4.1 Specimens, conditioning and scheme of testing
4.1.1 Specimens
4.1.2 Conditioning and testing atmosphere
4.1.3 Scheme of testing
15 4.2 Adjustability
4.2.1 Principle
4.2.2 Apparatus
4.2.2.1 Mounting fixture
4.2.2.2 Test headforms
4.2.2.3 Pinna simulators
4.2.2.4 Non-planar cushion adaptor
4.2.3 Procedure
4.2.3.1 Headband earmuffs
17 4.2.3.2 Mounted earmuffs
18 4.2.4 Report
25 4.3 Cup rotation
4.3.1 Principle
4.3.2 Apparatus
4.3.2.1 Mounting fixture
27 4.3.2.2 Pinna simulators
4.3.2.3 Non-planar cushion adaptor
4.3.3 Procedure
4.3.3.1 Headband earmuffs
4.3.3.2 Mounted earmuffs
29 4.3.4 Report
4.4 Headband force
4.4.1 Principle
4.4.2 Apparatus
4.4.2.1 Mounting fixture
4.4.2.2 Non-planar cushion adaptor
30 4.4.3 Procedure
4.4.3.1 General
32 4.4.3.2 Headband earmuffs
4.4.3.3 Mounted earmuffs
33 4.4.4 Report
4.5 Cushion pressure
4.5.1 Principle
4.5.2 Apparatus
4.5.2.1 Mounting fixture
4.5.2.2 Marking medium
4.5.2.3 Measuring means for contact area
4.5.2.4 Non-planar cushion adaptor
4.5.3 Procedure
4.5.3.1 General
34 4.5.3.2 Headband earmuffs
35 4.5.3.3 Mounted earmuffs
36 4.5.4 Report
4.6 Resistance to damage when dropped
4.6.1 Principle
4.6.2 Apparatus
4.6.2.1 Smooth steel plate
4.6.2.2 Means of suspending earmuffs
37 4.6.3 Procedure
4.6.3.1 Headband earmuffs
38 4.6.3.2 Mounted earmuffs
4.6.4 Report
4.7 Resistance to damage when dropped at low temperature (optional)
4.7.1 Principle
4.7.2 Apparatus
4.7.2.1 Refrigerated chamber
4.7.2.2 Smooth steel plate
4.7.2.3 Means of suspending earmuffs
39 4.7.3 Procedure
4.7.3.1 Headband earmuffs
4.7.3.2 Mounted earmuffs
40 4.7.4 Report
4.8 Headband flexing
4.8.1 Principle
4.8.2 Apparatus
4.8.2.1 Flexing device
41 4.8.3 Procedure
42 4.8.4 Report
4.9 Stand-by mechanism durability test (mounted earmuffs only)
4.9.1 Principle
4.9.2 Apparatus
4.9.2.1 Flexing device
4.9.3 Procedure
4.9.4 Report
4.10 Water immersion
4.10.1 Principle
43 4.10.2 Apparatus
4.10.2.1 Water bath
4.10.2.2 Means to hold the earmuffs beneath the surface of the water
4.10.3 Procedure
4.11 Water immersion – headband under stress (optional)
4.11.1 Principle
4.11.2 Apparatus
4.11.2.1 Water bath
4.11.2.2 Means to hold the earmuffs beneath the surface of the water
4.11.2.3 Plane parallel spacer
4.11.3 Procedure
4.12 Resistance to leakage (fluid filled cushions only)
4.12.1 Principle
44 4.12.2 Apparatus
4.12.2.1 Smooth steel plate
4.12.2.2 Means for loading the cushion
4.12.3 Procedure
4.12.4 Report
4.13 Ignitability
4.13.1 Principle
4.13.2 Apparatus
4.13.3 Procedure
45 4.13.4 Report
5 Earplugs
5.1 Specimens, conditioning and scheme of testing
5.1.1 Specimens
5.1.2 Conditioning and testing atmosphere
5.1.3 Scheme of testing
47 5.2 Assessment of nominal diameter designation
5.2.1 Principle
5.2.2 Apparatus
5.2.3 Procedure
5.2.4 Report
5.3 Range of fitting of headband earplugs
5.3.1 Principle
48 5.3.2 Apparatus
49 5.3.3 Procedure
5.3.4 Report
50 5.4 Resistance to damage when dropped
5.4.1 Principle
5.4.2 Apparatus
5.4.3 Procedure
5.4.4 Report
5.5 Resistance to damage when dropped at low temperature (optional)
5.5.1 Principle
5.5.2 Apparatus
5.5.3 Procedure
51 5.5.4 Report
5.6 Ignitability
5.6.1 Principle
5.6.2 Apparatus
5.6.3 Procedure
5.6.4 Report
52 Annex A (informative)Uncertainty of measurement and interpretation of test results

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BS EN 13819-1:2020
$198.66