(A) EN 352-1:2002 / EN 352-3:2003 / EN 352-4:2001/A1:2005 / EN 352-6:2002/ EN 352-8:2008
MRX21A2WS6, MRX21A3WS6 (all product variants) EN 352-1:2002
Headband with foam cushion HY82
A:1 Frequency (Hz) (ƒ)
125
250
500
1000 2000 4000 8000 SNR
A:2 Mean attenuation (dB) (M
f
)
13.8
19.3
30.4
34.5
37.7
39.5
36.2
30
A:3 Standard deviation (dB) (s
f
)
2.7
2.4
2.7
3.6
2.3
2.7
4.1
A:4 Assumed protection value
f
(dB) 11.1
16.9
27.7
30.9
35.4
36.8
32.1
A:5
H = 35 dB, M = 27 dB, L = 18 dB
: 411 g
MRX21P3E2WS6, MRX21P3E3WS6 (all product variants) EN 352-3:2002
Helmet Attachment with foam cushion HY82
A:1 Frequency (Hz) (ƒ)
125
250
500
1000 2000 4000 8000 SNR
A:2 Mean attenuation (dB) (M
f
)
14.2
19.7
29.6
33.4
36.3
39.5
34.6
30
A:3 Standard deviation (dB) (s
f
)
3.9
1.9
2.5
1.8
2.5
2.7
4.9
A:4 Assumed protection value
f
(dB) 10.3
17.8
27.1
31.6
33.8
36.8
29.7
A:5
H = 34 dB, M = 27 dB, L = 18 dB
: 431 g
MRX21A2WS6, MRX21A3WS6 (all product variants) EN 352-1:2002
Headband with gel cushion HY80
A:1 Frequency (Hz) (ƒ)
125
250
500
1000 2000 4000 8000 SNR
A:2 Mean attenuation (dB) (M
f
)
12.6
19.6
30.4
32.4
40.1
40.5
38.0
30
A:3 Standard deviation (dB) (s
f
)
2.9
2.0
3.0
2.8
3.3
3.3
2.8
A:4 Assumed protection value
f
(dB)
9.7
17.6
27.4
29.6
36.8
37.2
35.2
A:5
H = 36 dB, M = 27 dB, L = 18 dB
: 473 g
MRX21P3E2WS6, MRX21P3E3WS6 (all product variants) EN 352-3:2002
Helmet Attachment with gel cushion HY80
A:1 Frequency (Hz) (ƒ)
125
250
500
1000 2000 4000 8000 SNR
A:2 Mean attenuation (dB) (M
f
)
11.8
18.6
28.4
33.2
37.9
39.1
36.9
29
A:3 Standard deviation (dB) (s
f
)
2.3
2.0
2.0
2.7
2.4
3.2
4.1
A:4 Assumed protection value
f
(dB)
9.5
16.6
26.4
30.5
35.5
35.9
32.8
A:5
H = 35 dB, M = 26 dB, L = 17 dB
: 495 g
EN 352-4:2001/A1:2005
A:6 Criterion Levels
H
119 dB(A)
M
107 dB(A)
L
96 dB(A)
