3M PELTOR WS ALERT MRX21AWS6 Series Manual page 6

(A) EN 352-1:2002 / EN 352-3:2003 / EN 352-4:2001/A1:2005 / EN 352-6:2002/ EN 352-8:2008
MRX21AWS6* EN 352-1:2002
A:1 Frequency (Hz) (ƒ)
A:2 Mean attenuation (dB) (M
A:3 Standard deviation (dB) (s
A:4 APV (dB)
f
MRX21AWS6: 411 g
MRX21AWS6-ACK: 411 g
MRX21P3EWS6* EN 352-3:2002
A:1 Frequency (Hz) (ƒ)
A:2 Mean attenuation (dB) (M
A:3 Standard deviation (dB) (s
A:4 APV (dB)
f
MRX21P3EWS6: 431 g
MRX21P3EWS6-ACK: 431 g
EN 352-4:2001/A1:2005
A:6 Criterion Levels
H 119 dB(A)
M 107 dB(A)
L 96 dB(A)
125 250 500
) 13.8 19.3 30.4
f
) 2.7 2.4 2.7
f
11.1 16.9 27.7
125 250 500
) 14.2 19.7 29.6
f
) 3.9 1.9 2.5
f
10.3 17.8 27.1
1000 2000 4000
34.5 37.7 39.5
3.6 2.3 2.7
30.9 35.4 36.8
A:5 H = 35 dB, M = 27 dB, L = 18 dB
1000 2000 4000
33.4 36.3 39.5
1.8 2.5 2.7
31.6 33.8 36.8
A:5 H = 34 dB, M = 27 dB, L = 18 dB
8000 SNR
36.2
4.1 30
32.1
8000 SNR
34.6
4.9
30
29.7