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ISO 4869-1:1990 PDF

ISO 4869-1:1990 PDF

Name:
ISO 4869-1:1990 PDF

Published Date:
12/01/1990

Status:
Active

Description:

Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation

Publisher:
International Organization for Standardization

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
SKU:
Choose Document Language:
$20.4
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Specifies a method for measuring sound attenuation at the threshold of hearing. The procedure is designed to yield values close to the maximum attenuation which are not normally attained under field conditions. The values reflect the attenuating characteristics only to the extent that users wear the device in the same manner as did the test subjects. Data are collected at low sound pressure levels but which are also representative of the values at higher sound pressure levels.


File Size : 1 file , 690 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 7
Published : 12/01/1990
Same As : ISO 4869-1:1990

History

ISO 4869-1:2018
ISO 4869-1:2018
Published Date: 10/01/2018
Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation
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ISO 4869-1:1990
ISO 4869-1:1990
Published Date: 12/01/1990
Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation
$20.4

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ISO 4869-3:2007
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