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DFEP-03
( C ) |
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· |
SNR 37dB |
| · |
無線及有線可徵測式耳塞 |
| · |
耳塞內裝置銅球易於自動偵測 |
| · |
可生產各種不同的顏色 |
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| · |
DFEP-03 |
|
Frequency HZ
|
63 |
125 |
250
|
500 |
1000 |
2000 |
4000 |
8000 |
| Mean Attenuation DB |
32.7 |
36.2 |
37.6 |
36.9 |
37.7 |
37.6 |
47.9 |
44.6 |
| Standard Deviation DB |
3.7 |
4.5 |
4.5 |
3.0 |
3.5 |
3.4 |
4.3 |
4.1 |
| Assumed Protection DB |
29.0 |
31.7 |
33.1 |
33.9 |
34.2 |
34.2 |
43.6 |
40.5 |
| SNR=37; H=36; M=35; L=34 |
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FEP-07 |
|
· |
SNR 20dB |
| · |
耳架式耳塞 |
| · |
耳塞部份可更換 |
| · |
耳塞及耳架部份皆可生產不同顏色 |
| · |
耳架讓耳塞可避免直接與手指的髒污接觸 |
| · |
可掛於頸部 |
| · |
包 裝: one pair/ poly bag,
40prs/ inner box, 400prs/ctn, 8kgs/ 4’ |
|
Frequency HZ
|
63 |
125 |
250
|
500 |
1000 |
2000 |
4000 |
8000 |
| Mean Attenuation DB |
24.8 |
22.6 |
15.6 |
13.8 |
21.6 |
33.0 |
38.4 |
40.2 |
| Standard Deviation DB |
5.8 |
6.1 |
4.6 |
3.8 |
3.6 |
5.5 |
1.7 |
3.8 |
| Assumed Protection DB |
19.0 |
16.5 |
11.0 |
10.0 |
18.0 |
27.5 |
36.7 |
36.4 |
| SNR=20; H=25; M=15; L=13 |
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FEP-08 |
|
· |
SNR 21dB |
| · |
耳架式耳塞 |
| · |
耳塞部份可更換,特殊外緣設計易於配戴 |
| · |
耳塞及耳架部份皆可生產不同顏色 |
| · |
耳架讓耳塞可避免直接與手指的髒污接觸 |
| · |
可掛於頸部 |
| · |
包 裝: one pair/ poly bag,
40prs/ inner box, 400prs/ctn, 8kgs/ 4’ |
|
Frequency HZ
|
63 |
125 |
250
|
500 |
1000 |
2000 |
4000 |
8000 |
| Mean Attenuation DB |
21.1 |
19.8 |
17.3 |
17.3 |
21.9 |
31.0 |
37.6 |
36.2 |
| Standard Deviation DB |
6.4 |
6.4 |
4.3 |
4.9 |
5.3 |
5.1 |
5.7 |
6.7 |
| Assumed Protection DB |
14.7 |
13.4 |
13.0 |
12.4 |
16.6 |
25.9 |
31.9 |
29.5 |
| SNR=21; H=24; M=16; L=14 |
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