3M PELTOR ProTac III - Standard AS;NZS 1270:2002 Attenuation; C:A & C:B Headband Models; C:C Carrier Attachment Model

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