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Verfügbare Sprachen
Verfügbare Sprachen
ATTENUATION DATA
Helmet mounted versions
left/RIGHT
LOW
TM
f (Hz)
63
125
Mf (dB)
10,7
10,6
sf (dB)
2,9
1,8
APV (dB)
7,8
8,8
H = 27 dB, M = 22 dB, L = 15 dB, SNR = 25 dB
left/RIGHT
MEDIUM
TM
f (Hz)
63
125
Mf (dB)
13,4
13,8
sf (dB)
4,1
3,0
APV (dB)
9,3
10,8
H = 29 dB, M = 25 dB, L = 17 dB, SNR = 28 dB
left/RIGHT
HIGH
TM
f (Hz)
63
125
Mf (dB)
15,6
16,8
sf (dB)
4,1
3,0
APV (dB)
11,5
13,8
H = 32 dB, M = 28 dB, L = 21 dB, SNR = 31 dB
Helmet-mounted Noise Reduction Ratings listed above are for Medium V-Gard Caps only. Noise Reduction Rating and
Attenuation Values for other MSA slotted helmets may vary. Contact MSA for more information.
WARNING!
For noise environments dominated by frequencies below 500 Hz, the C-weighted environmental noise level should be
used. Improper fit of this device will reduce its effectiveness in attenuating noise. Failure to follow this warning can
result in serious personal injury or permanent hearing loss.
250
500
1000
15,6
22,9
30,3
3,6
1,8
3,0
12,0
21,1
27,3
250
500
1000
18,8
26,9
34,1
3,2
2,1
2,9
15,6
24,8
31,2
250
500
1000
22,1
29,9
35,9
2,6
2,7
3,0
19,5
27,2
32,9
U.S. Customer Service / Atención al Cliente 1.800.MSA.2222
55
2000
4000
8000
27,5
31,3
33,0
3,0
1,9
3,0
24,5
29,4
30,0
2000
4000
8000
30,9
33,6
37,8
4,3
2,5
2,9
26,6
31,1
34,9
2000
4000
8000
34,1
35,4
39,3
4,2
2,5
3,5
29,9
32,9
35,8
MSA Corporate Headquarters
Phone / Teléfono 412.967.3000
MSA Canada 416.520.4225
MSA Mexico (52) 55 2122 5770
MSA International 412.967.3354
NRR
21
W = 212 g
NRR
25
W = 254 g
NRR
28
W = 336 g
P.O. Box 426
Pittsburgh, PA 15230
USA
www.MSAsafety.com
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