15,43 €

HT: 12,86 €

14,77 €

HT: 12,31 €

Numéro de l'article: 40000438

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Description / Protection auditive Agripak

• Bandeau • Atténuation : 40 dB à 4 kHz VOIR LES CARACTÉRISTIQUES TECHNIQUES

Caractéristiques

Merk	Sparex
Opmerking	CE Marked
Stuks	1 stk.
Technische informatie	The range of noise reduction ratings for existing hearing protectors is approximately 0 to 30. The higher the number the greater the effect. When selected, used and maintained as is specified in EN352-1-2003. this protector may be used in noise up to 105dB(A) assuming an 83dB(A) criteria. A lower criteria may require a higher protector CAUTION: For noise environments dominated by frequencies below 500Hz, the C-weighted environmental noise level should be used. Improper fit of this device will reduce it`s effectiveness in reducing attenuated noise. Consult the instructions for proper fit. Although Hearing Protectors can be recommended for protection against harmful effects of impulsive noise, the N.R.R. is based on the attenuation of continuous noise and may not be an accurate indicator of protection for impulsive noise. The level of noise entering a person`s ear, when a Hearing Protector is worn as directed, is closely approximated by the difference between the ''A'' weighted environmental noise level and the NRR. Example. 1. The environmental noise level as measured at the ear is 92 dBA. 2. The NNR is 22 decidels (22dB). 3. The level of noise entering the ear is approximately equal to 70dBA. Attenuation Data. Over the head position. EN 352-1 ' DiskArt 1988 988 Frequency Hz 63 125 250 500 1000 2000 4000 8000 Mean Attenuation (dB) 13.6 9.3 14.2 23.1 31.7 31.9 39.1 32.2 Standard Deviation (dB) 3.1 3.0 1.3 1.7 2.2 2.3 2.5 3.3 .APV (dB) 9.5 5.5 12.2 21.2 25.6 30.7 33.0 29.3
Verpakking	Agripak