C) STANDARD AS/NZS 1270:2002
C:A Headband with foam cushion
3M
PELTOR
ProTac III Slim Headset MT13H220A, 3M
TM
TM
C:2 Mean attenuation (dB)
C:3 Standard deviation (dB)
C:4 Mean minus SD
C:B Headband with foam cushion
3M
PELTOR
ProTac III Headset MT13H221A, 3M
TM
TM
C:2 Mean attenuation (dB)
C:3 Standard deviation (dB)
C:4 Mean minus SD
C:C Carrier attachment with foam cushion earmuff
3M
PELTOR
ProTac III Slim Headset MT13H220P3E
TM
TM
C:2 Mean attenuation (dB)
C:3 Standard deviation (dB)
C:4 Mean minus SD
C:8 This earmuff was tested with Protector HC600 industrial safety helmet.
PELTOR
TM
C:1 f (Hz)
125
250
500
1000
13.1
15.7
22.4
28.2
3.8
2.1
2.9
2.3
9.3
13.6
19.5
25.9
PELTOR
TM
C:1 f (Hz)
125
250
500
1000
17.6
22.1
29.9
36.4
3.7
3.7
3.3
2.8
13.9
18.4
26.6
33.6
C:1 f (Hz)
125
250
500
1000
12.8
15.2
20.7
27.3
3.5
4.3
4.4
4.0
9.3
10.9
16.3
23.3
ProTac Hunter headset MT13H222A
TM
2000
4000
8000
C:5 SLC80
31.8
38.8
35.9
2.4
3.0
4.5
29.4
35.8
31.4
ProTac Shooter Headset MT13H223A
TM
2000
4000
8000
C:5 SLC80
37.6
38.4
34.9
2.2
2.4
2.6
35.4
36.0
32.3
2000
4000
8000
C:5 SLC80
31.7
39.2
35.2
2.6
4.3
5.0
29.1
34.9
30.2
C:7 Clamping
C:6 Class
26
5
C:7 Clamping
C:6 Class
32
5
C:7 Clamping
C:6 Class
24
4
Force
11 N
303 g
Force
11 N
335 g
Force
11 N
322 g