3M MT73H7*4*10WS6 series Handbuch Seite 6

A:6 EN352-4 Criterion levels
H 119 dB(A)
M 112 dB(A)
L 99 dB(A)
EXTERNAL AUDIO INPUT LEVELS EN 352-6
A:7 Cable: EN352-6 External input level
A:8 RMS
Voltage U (mV)
14.9
26.6
47.2
84.0
149.4
265.6
A:11 Cable: The electrical input level
for which the sound pressure level is
equal to 82 dB(A): 120.5 mV
B) AZ/NZS 1270:2002
Headband with foam cushion
Art nr: MT73H7A4710WS6AZ
B:1 Frequency (Hz)
B:2 Mean attenuation (dB)
B:3 Standard deviation (dB
B:4 Mean minus SD
Neckband with foam cushion
Art nr: MT73H7B4710WS6AZ
B:1 Frequency (Hz)
B:2 Mean attenuation (dB)
B:3 Standard deviation (dB
B:4 Mean minus SD
Helmet attachment with foam cushion
Art nr: MT73H7P3E4710WS6AZ
B:1 Frequency (Hz)
B:2 Mean attenuation (dB)
B:3 Standard deviation (dB
B:4 Mean minus SD
A:9 Mean Sound
Pressure (dB(A))
63
67.9
72.9
77.9
82.7
86.9
125 250 500 1000 2000 4000 8000 SLC
20.7 23.9 32.0 33.9 36.1 39.6 39.6
3.5 3.3 4.0 2.2
)
17.2 20.6 28.0 31.7 32.4 37.0 36.3
125 250 500 1000 2000 4000 8000 SLC
16.1 18.6 30.1 36.0 37.4 38.0 37.7
3.3 4.0 3.8 3.8
)
12.8 14.6 26.3 32.2 33.2 34.3 33.5
125 250 500 1000 2000 4000 8000 SLC
19.1 20.0 28.4 32.2 34.5 35.9 36.7
4.4 4.8 4.6 3.0
)
14.7 15.2 23.8 29.2 31.3 32.0 32.1
A:10 STD Sound
Pressure (dB)
1.1
1.1
1.1
1.1
1.1
1.0
32 db
3.7 2.6 3.3
30 dB
4.2 3.7 4.2
29 dB
3.2 3.9 4.6
Class Clamping
80
force
5
14.1 N
Class Clamping
80
force
5
12.6 N
Class Clamping
80
force
5
11 N
Mass
447 g
Mass
434
Weight
473 g