[
V
Sound Pressure Levels ]
- 20 -
HWE20020
GB
PEA-M250LA
(External static pressure 60Pa)
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
63
125
250
500
1k
2k
4k
8k
NC-60
NC-50
Octave band pressure level (dB) 0dB=20μPa
NC-40
NC-30
NC-20
Octave band center frequencies <Hz>
High
Low
Middle
Approximate minimum
audible limit on
continuous noise
(External static pressure 75Pa)
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
63
125
250
500
1k
2k
4k
8k
NC-60
NC-50
Octave band pressure level (dB) 0dB=20μPa
NC-40
NC-30
NC-20
Octave band center frequencies <Hz>
High
Low
Middle
Approximate minimum
audible limit on
continuous noise
(External static pressure 100Pa)
(External static pressure 200Pa)
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
63
125
250
500
1k
2k
4k
8k
NC-60
NC-50
Octave band pressure level (dB) 0dB=20μPa
NC-40
NC-30
NC-20
Octave band center frequencies <Hz>
High
Low
Middle
Approximate minimum
audible limit on
continuous noise
(External static pressure 150Pa)
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
63
125
250
500
1k
2k
4k
8k
NC-60
NC-50
Octave band pressure level (dB) 0dB=20μPa
NC-40
NC-30
NC-20
Octave band center frequencies <Hz>
High
Low
Middle
Approximate minimum
audible limit on
continuous noise
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
63
125
250
500
1k
2k
4k
8k
NC-60
NC-50
Octave band pressure level (dB) 0dB=20μPa
NC-40
NC-30
NC-20
Octave band center frequencies <Hz>
High
Low
Middle
Approximate minimum
audible limit on
continuous noise
HWE20020.book 20 ページ 2020年11月27日 金曜日 午前10時45分
Содержание PEA-M200LA
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Страница 3: ...HWE20020 GB HWE20020 book 2 ページ 2020年11月27日 金曜日 午前10時45分 ...
Страница 47: ... XII Optional parts 44 HWE20020 GB HWE20020 book 44 ページ 2020年11月27日 金曜日 午前10時45分 ...
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