3M 9312 빠른 시작 매뉴얼 - 페이지 8
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3M
™
1100 Series Disposable Ear Plugs Fitting Instructions
2
1
3
4
30 Sec.
Disposable Ear Plugs
FITTING INSTRUCTIONS
The plugs should be fitted in accordance with the diagrams.
Care should be taken to refit the plug if it becomes dislodged through movement.
Before each fitting the plugs should be inspected to ensure they are in good condition.
MAINTENANCE
These plugs are disposable and should be discarded after use.
SIZE
From EN352/2 these plugs are in the nominal size range 6/13.
3M Health & Safety Helpline Telephone: 0870 60 800 60
For callers within the Republic of Ireland: 1 800 320 500
www.3M.com/uk/ohes
3M
1100 Series Disposable
™
Ear Plugs
3M 1100 Series Disposable Ear Plugs
Standard: EN352-2
Approval: CE Marked
Simplified Noise-level Reduction
(SNR) = 37dB
H=37dB
M=34dB
L=31dB
F (Hz)
63
125
250
500
1000 2000 4000 8000
Mf (db)
20.8
24.8
29.7
32.9
31.4
32.9
sf (dB)
5.4
5.3
6.0
5.5
6.0
2.6
Mf-sf (dB)
15.4
19.5
23.7
27.4
25.4
30.3
40.6
42.5
2.8
4.4
37.8
38.1
3