Table des Matières
Publicité
2C
Freq. Hz
63
125
C6
15,0
15,0
Mean att.
C7
4,1
2,6
Std. dev.
C8
10,9
12,4
APV
PZT GmbH, Bismarckstr. 264B, 26389 Wilhelmshaven, Germany,
Notified Body: 1974, Notified by ZLS
2C
Freq.Hz
125
250
C6
15.7
20.7
Mean.att.
C7
2.8
2.1
St.dev.
Michael & Associates, Inc., State College, PA, USA
Accredited by National Institute of Standards and Technology (NIST)
National Voluntary Laboratory Accreditation Program (NVLAP)
250
500
1000
2000
21,0
28,1
35,3
34,0
3,1
3,5
4,0
3,8
17,9
24,6
31,3
30,2
C9
500
1000
2000
3150
4000
28.8
36.9
35.2
37.0
3.0
2.9
3.2
3.4
Helmet/Cap mount
EN 352-3:2002
C4
, Weight:
4000
8000
H
M
34,0
37,3
4,5
4,4
31dB
27dB
29,5
32,9
ANSI S-3.19-1974
C4
, Weight:
6300
8000
NRR
37.8
39.6
38.6
24dB
2.2
2.4
2.8
C9
C3
C5
271 g
L
SNR
19dB
29dB
C5
9.5 oz
CSA
A
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Table des Matières
