3M PELTOR WS ALERT XPI Series - Page 2

(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)