Page 143 - Globus Group Catalogue
P. 143
F3 SNR: 32dB
Fully adjustable with a thermoplastic padded
headband and soft ear cushions, F3 ear defenders
fold down to a compact size for easy storage.
Of durable construction and without any
metal parts, these are also ideal for
petrochemical environments.
PRODUCT CODE:
HMF/ALP/SOTAF3
METAL-FREE FOLDABLE
ATTENUATION DATA
SNR = 32dB H = 36dB M = 29dB L = 22dB O.T.H
FREQUENCY (HZ) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 18.3 20.7 30.2 37.0 36.7 40.3 39.1
Standard Deviation (dB) 2.9 1.5 2.5 2.9 2.0 3.2 2.7
Assumed Protection (dB) 15.4 19.2 27.7 34.1 34.7 37.4 36.4
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