New hearing protection standards

 

 

For 10 years, the acoustic laboratory of CRITT Sport Loisirs has tested different types of individual noise protections.

Equipped with know-how and adapted and calibrated measuring instruments, the acoustic laboratory of the CRITT SL performs physical tests in order to evaluate the characteristics and mechanical performance of your hearing protectors according to different European standards :

-          NF EN 352-1 (earmuff)

-          NF EN 352-2 (earplugs, disposable or reusable and moulded earplugs)

-          NF EN 352-3 (Helmet mounted earmuff)

Recently, the laboratory acquired a state-of-the-art pressure sensor that can accurately measure strength and pressure, also can show the contact surfaces via software.

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Equipped with a standardized and calibrated anechoic chamber, we will effectively evaluate the acoustic performance of your Hearing protectors according to the new requirements of the standards :
Indeed, an update of the standards will be effective by the end of 2020 and will have as its main change, the new method of calculating minimum attenuation.
The CRITT SL has decided to anticipate and integrate the new calculations in our test program, which allows us to provide you with the acoustic performance of your Hearing protectors according to the new requirements of the standards.
For more information on the new requirements and calculation method, please do not hesitate to contact us.

 

 

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