1 - 97
PEFY-E-
F
MEE15K022
5. SOUND LEVELS
YKB/YLM 2nd
5-2. NC curves
PEFY-P80VMH-E-F
External static pressure : 35Pa
Power source : 208V, 60Hz
PEFY-P80VMH-E-F
External static pressure : 85Pa
Power source : 208V, 60Hz
PEFY-P80VMH-E-F
External static pressure : 170Pa
Power source : 208V
, 60Hz
PEFY-P80VMH-E-F
External static pressure : 40Pa
Power source : 220V, 50/60Hz
PEFY-P80VMH-E-F
External static pressure : 115Pa
Power source : 220V, 50/60Hz
PEFY-P80VMH-E-F
External static pressure : 190Pa
Power source : 220V
, 50/60Hz
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
NC60
NC50
NC40
NC30
NC20
Approximate minimum
audible limit on
continuous noise
High speed
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
Approximate minimum
audible limit on
continuous noise
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
NC60
NC50
NC40
NC30
NC20
High speed
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
Approximate minimum
audible limit on
continuous noise
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
NC60
NC50
NC40
NC30
NC20
High speed
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
NC60
NC50
NC40
Approximate minimum
audible limit on
continuous noise
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
NC30
NC20
High speed
Approximate minimum
audible limit on
continuous noise
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
High speed
NC60
NC50
NC40
NC30
NC20
Approximate minimum
audible limit on
continuous noise
High speed
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
Approximate minimum
audible limit on
continuous noise
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
High speed
NC60
NC50
NC40
NC30
NC20
Approximate minimum
audible limit on
continuous noise
High speed
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEFY-P80VMH-E-F
External static pressure : 50Pa
Power source : 230V, 50/60Hz
PEFY-P80VMH-E-F
External static pressure : 130Pa
Power source : 230V
, 50/60Hz
PEFY-P80VMH-E-F
External static pressure : 210Pa
Power source : 230V
, 50/60Hz
PEFY-P80VMH-E-F
External static pressure : 80Pa
Power source : 240V, 50Hz
PEFY-P80VMH-E-F
External static pressure : 170Pa
Power source : 240V
, 50Hz
PEFY-P80VMH-E-F
External static pressure : 220Pa
Power source : 240V
, 50Hz
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
Approximate minimum
audible limit on
continuous noise
High speed
NC60
NC50
NC40
NC30
NC20
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
Approximate minimum
audible limit on
continuous noise
High speed
NC60
NC50
NC40
NC30
NC20
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
NC60
NC50
NC40
NC30
NC20
Approximate minimum
audible limit on
continuous noise
High speed
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
NC60
NC50
NC40
NC30
NC20
Approximate minimum
audible limit on
continuous noise
High speed
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
NC60
NC50
NC40
NC20
Approximate minimum
audible limit on
continuous noise
High speed
NC30
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
70
60
50
40
30
20
63
125
250
500
1000
2000
4000
8000
10
0
NC60
NC50
NC40
NC30
NC20
Approximate minimum
audible limit on
continuous noise
High speed
OCT
A
VE BAND PRESSURE LEVEL
(dB) 0dB = 20μPa
OCTAVE BAND CENTER FREQUENCIES (Hz)
