Fiche constructeur - 3M Serie X

www.3M.co.uk/peltorx
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Historically,higherattenuatingeardefendersmeantlargeand
bulkycups-butnotanymore.The3MPeltorX4EarDefenders
can attenuate sound by as much as 33dB whilst maintaining a
sleek, low profile, aesthetically pleasing design.
• Extremelyslimandlight-weightcupshelptoimprove
compatibility when used with other Personal Protective
Equipment.
• Newspeciallyformulateddampingpadsandinnovative
foam contained in the sealing ring provide excellent
acoustic protection, particularly against sounds
dominated by low frequencies.
• Simplecolourcoding:brightgreen,indicating
high attenuation combined with an extremely slim,
lightweight design
Extremely slim, high performance
3M
™
Peltor
™
X4 Ear Defenders
SNR 33dB
3M
™
Peltor
™
X4AEarDefenders-Standardheadband
Frequency (Hz) 63 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 19.6 17.8 22.1 30.6 39.5 37.3 43.8 42.1
Standard Deviation (dB) 4.1 2.3 2.5 1.8 2.9 4.1 2.8 4.0
Assumed Protection (dB) 15.5 15.5 19.6 28.8 36.6 33.2 41.1 38.2
SNR = 33dB H = 36dB M = 30dB L = 22dB
3M
™
Peltor
™
X4P3EarDefenders-Helmetmountedversion
Frequency (Hz) 63 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 16.6 16.8 21.8 30.6 40.1 36.7 43.1 41.9
Standard Deviation (dB) 3.6 2.5 2.1 1.9 2.3 3.7 2.7 4.7
Assumed Protection (dB) 12.9 14.3 19.7 28.7 37.8 32.9 40.4 37.2
SNR = 32dB H = 36dB M = 30dB L = 21dB