Airwell EFL 100-3R410, Техническое руководство, Страница: 204 / 328

4
4 - 71
3-WAY FLOW LOGIC Unit Specifications
4
MODEL : ST-NWFL 7, ST-NWFL 9
ST-NWFL 12
SOUND LEVEL : 36 dB(A)
LOW
HIGH
28 dB(A)
32 dB(A)
CONDITION :
MODEL : ST-NWFL 18
SOUND LEVEL : 39 dB(A)
LOW
HIGH
31 dB(A)
35 dB(A)
CONDITION :
MODEL : ST-NWFL 24
SOUND LEVEL : 42 dB(A)
LOW
HIGH
35 dB(A)
38 dB(A)
CONDITION :
NC-20
NC-30
NC-40
NC-50
4000 63 125 250 8000 2000 1000 500
60
50
40
30
20
10
NC-20
NC-30
NC-40
NC-50
4000 63 125 250 8000 2000 1000 500
60
50
40
30
20
10
NC-20
NC-30
NC-40
NC-50
4000 63 125 250 8000 2000 1000 500
60
50
40
30
20
10
Strong
Weak
Both 50Hz and 60Hz
STRONG
STRONG
STRONG
1 m in front at height of 1 m
1 m in front at height of 1 m
1 m in front at height of 1 m
Frequency at center of sound pressure band (Hz) Frequency at center of sound pressure band (Hz)
Frequency at center of sound pressure band (Hz)
Overall
Sound pressure le
v
el (dB)
(0dB = 0.0002
μ
bar)
Approximate
minimum audible
limit for
continuous noise
Overall
Sound pressure le
v
el (dB)
(0dB = 0.0002
μ
bar)
Approximate
minimum audible
limit for
continuous noise
Overall
Sound pressure le
v
el (dB)
(0dB = 0.0002
μ
bar)
Approximate
minimum audible
limit for
continuous noise
4. Wall-Mounted Type
4-4. Noise Criterion Curves
ST-NWFL
04-218 Airwell-4_4-5.qxp 01/06/2007 13:09 Page 71