Nc Curves - Mitsubishi Electric CMB-WP-V-GA1 Data Book

5. SOUND LEVELS

5-2. NC curves

PEFY-WP15VMS1-E
External static pressure : 5Pa
Power source : 220,230,240V, 50/60Hz
70
60
50
40
30
20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
63 125 250 500 1000 2000
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEFY-WP15VMS1-E
External static pressure : 50Pa
Power source : 220,230,240V, 50/60Hz
70
60
50
40
30
20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
63 125 250 500 1000 2000
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEFY-WP20VMS1-E
External static pressure : 35Pa
Power source : 220,230,240V, 50/60Hz
70
60
50
40
30
20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
63 125 250 500 1000 2000
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEFY-WP25VMS1-E
External static pressure : 15Pa
Power source : 220,230,240V, 50/60Hz
70
60
50
40
30
20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
63 125 250 500 1000 2000
OCTAVE BAND CENTER FREQUENCIES (Hz)
MEE15K052
PEFY-WP15VMS1-E
External static pressure : 15Pa
Power source : 220,230,240V, 50/60Hz
70
High speed
Middle speed
Low speed
60
NC60
50
NC50
40
NC40
30
NC30
20
NC20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
4000 8000 63 125 250
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEFY-WP20VMS1-E
External static pressure : 5Pa
Power source : 220,230,240V, 50/60Hz
70
High speed
Middle speed
Low speed
60
NC60
50
NC50
40
NC40
30
NC30
20
NC20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
4000 8000 63 125 250
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEFY-WP20VMS1-E
External static pressure : 50Pa
Power source : 220,230,240V, 50/60Hz
70
High speed
Middle speed
Low speed
60
NC60
50
NC50
40
NC40
30
NC30
20
NC20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
4000 8000 63 125 250
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEFY-WP25VMS1-E
External static pressure : 35Pa
Power source : 220,230,240V, 50/60Hz
70
High speed
Middle speed
Low speed
60
NC60
50
NC50
40
NC40
30
NC30
20
NC20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
4000 8000 63 125 250
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEFY-WP15VMS1-E
External static pressure : 35Pa
Power source : 220,230,240V, 50/60Hz
High speed
Middle speed
Low speed
NC60
NC50
NC40
NC30
NC20
500 1000 2000 4000 8000
PEFY-WP20VMS1-E
External static pressure : 15Pa
Power source : 220,230,240V, 50/60Hz
High speed
Middle speed
Low speed
NC60
NC50
NC40
NC30
NC20
500 1000 2000 4000 8000
PEFY-WP25VMS1-E
External static pressure : 5Pa
Power source : 220,230,240V, 50/60Hz
High speed
Middle speed
Low speed
NC60
NC50
NC40
NC30
NC20
500 1000 2000 4000 8000
PEFY-WP25VMS1-E
External static pressure : 50Pa
Power source : 220,230,240V, 50/60Hz
High speed
Middle speed
Low speed
NC60
NC50
NC40
NC30
NC20
500 1000 2000 4000 8000
70
High speed
Middle speed
Low speed
60
50
40
30
20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
63 125 250 500 1000 2000 4000
OCTAVE BAND CENTER FREQUENCIES (Hz)
70
High speed
Middle speed
Low speed
60
50
40
30
20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
63 125 250 500 1000 2000 4000
OCTAVE BAND CENTER FREQUENCIES (Hz)
70
High speed
Middle speed
Low speed
60
50
40
30
20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
63 125 250 500 1000 2000 4000
OCTAVE BAND CENTER FREQUENCIES (Hz)
70
High speed
Middle speed
Low speed
60
50
40
30
20
10
Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
0
63 125 250 500 1000 2000 4000
OCTAVE BAND CENTER FREQUENCIES (Hz)
NC60
NC50
NC40
NC30
NC20
8000
NC60
NC50
NC40
NC30
NC20
8000
NC60
NC50
NC40
NC30
NC20
8000
NC60
NC50
NC40
NC30
NC20
8000
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