Page 144 - Globus Group Catalogue
P. 144
N4 SNR: 32dB
EAR DEFENDERS // MEDIUM ATTENUATION
The N4 ear defender has a wire band that fits
easily around the neck making it ideal to wear
with a safety helmet.
It offers greater performance when compared to
traditional helmet-mounted ear defenders.
Soft ear cushions and an adjustable head strap
allow for a secure, comfortable fit.
HARD HAT COMPATIBLE
PRODUCT CODE:
HMN/ALP/SOTAN4
ATTENUATION DATA
SNR = 32dB H = 35dB M = 30dB L = 22dB B.T.N
FREQUENCY (HZ) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 18.1 21.1 31.4 37.7 35.9 38.4 39.4
Standard Deviation (dB) 3.2 1.8 1.8 3.2 2.9 3.3 2.7
Assumed Protection (dB) 15.0 19.3 29.5 34.5 33.0 35.0 36.7
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