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DANSK DS/ISO/TS 4869-5 PDF

DANSK DS/ISO/TS 4869-5 PDF

Name:
DANSK DS/ISO/TS 4869-5 PDF

Published Date:
01/04/2007

Status:
[ Active ]

Description:

Acoustics - Hearing protectors - Part 5: Method for estimation of noise reduction using fitting by inexperienced test subjects

Publisher:
Dansk Standard

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
SKU:
Choose Document Language:
$21.3
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SAME AS ISO/TS 4869-5

This Technical Specification specifies a method for measuring noise reduction of passive hearing protectors at the threshold of hearing. The method is designed to provide estimates of the noise reduction obtained by typical groups of users in real-world occupational settings, who may lack the training and motivation to wear hearing protectors in an optimum manner.
The principle of the test method is to measure the difference in hearing threshold with and without wearing a hearing protector. This difference between the thresholds constitutes the noise reduction. The measurement is done twice on a given number of test subjects.


Edition : 07
File Size : 1 file , 630 KB
Number of Pages : 30
Product Code(s) : DS-026, DS-026
Published : 01/04/2007

History

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