EN
25
TECHNICAL DATA
EAR PROTECTION
Attenuation
Frequency (Hz)
63
125
250
500
1000
2000 4000 8000
Measured mean attenuation
(dB)
16,9
13,4
19,8
28,1
33,2
35,3
36,8
35,3
Standard deviation (dB)
4,1
2,3
2,1
2,2
2,7
3,7
3,9
5,7
Assumed protection value
12,8
11,1
17,7
25,9
30,5
31,6
32,9
29,6
SNR = 29 dB, H = 32 dB, M = 27 dB, L = 19 dB
DESCRIPTION
HELMET
The helmet is marked as follow:
Size
52-64 cm
European standard
EN 397
CE-marking
Manufacturing year and month is marked inside each helmet�
SAFETY GLASSES
The safety glasses are marked as follow:
EN 166 1�B�
EN 1731 1�F�
Identification of the manufacturer
EN 166
EN 1773
Number of the standard this item fulfill
1
Optical class
B
Symbol for medium energy impact
F
Symbol for low mechanical strength
The CE mark
