1 - 55
PFFY
5. SOUND LEVELS
MEE15K052
5. SOUND LEVELS
5-1. Sound levels
5-2. NC curves
PFFY-WP-VLRMM-E
Sound level at anechoic room : Low-Middle-High
Sound level dB (A)
20Pa
40Pa
60Pa
PFFY-WP20VLRMM-E
31-33-38
32-37-39
36-38-42
PFFY-WP25VLRMM-E
31-33-38
32-37-39
36-38-42
PFFY-WP32VLRMM-E
31-35-38
34-37-40
36-40-42
PFFY-WP40VLRMM-E
34-37-40
37-39-43
37-41-44
PFFY-WP50VLRMM-E
37-42-45
38-44-47
39-45-48
* Measured in anechoic room
1.0m
1.0m
1.0m
Measurement location
Aux. duct
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
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
High
Middle
50/60Hz
Low
50/60Hz
50/60Hz
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
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
High
Middle
50/60Hz
Low
50/60Hz
50/60Hz
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
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
High
Middle
50/60Hz
Low
50/60Hz
50/60Hz
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
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
High
Middle
50/60Hz
Low
50/60Hz
50/60Hz
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
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
High
Middle
50/60Hz
Low
50/60Hz
50/60Hz
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
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
High
Middle
50/60Hz
Low
50/60Hz
50/60Hz
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
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
High
Middle
50/60Hz
Low
50/60Hz
50/60Hz
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
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
High
Middle
50/60Hz
Low
50/60Hz
50/60Hz
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
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
High
Middle
50/60Hz
Low
50/60Hz
50/60Hz
PFFY-WP25VLRMM-E
External Static Pressure: 20Pa
Power Source: 220-230-240V, 50/60Hz
PFFY-WP25VLRMM-E
External Static Pressure: 40Pa
Power Source: 220-230-240V, 50/60Hz
PFFY-WP25VLRMM-E
External Static Pressure: 60Pa
Power Source: 220-230-240V, 50/60Hz
PFFY-WP20VLRMM-E
External Static Pressure: 20Pa
Power Source: 220-230-240V, 50/60Hz
PFFY-WP20VLRMM-E
External Static Pressure: 40Pa
Power Source: 220-230-240V, 50/60Hz
PFFY-WP20VLRMM-E
External Static Pressure: 60Pa
Power Source: 220-230-240V, 50/60Hz
PFFY-WP32VLRMM-E
External Static Pressure: 40Pa
Power Source: 220-230-240V, 50/60Hz
PFFY-WP32VLRMM-E
External Static Pressure: 60Pa
Power Source: 220-230-240V, 50/60Hz
PFFY-WP32VLRMM-E
External Static Pressure: 20Pa
Power Source: 220-230-240V, 50/60Hz
0000003900.BOOK 55 ページ 2016年1月13日 水曜日 午前10時40分
Содержание PLFY-WP VBM-E
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