5. SOUND LEVELS
YKB/YLM 2nd
1 - 72
PEFY-
VM
A(
L),
VMA3
MEE15K022
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
PEFY-P20VMA3-E
External Static Pressure: 35Pa [0.14in.WG]
Power Source: 220-240V(50Hz/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
PEFY-P20VMA3-E
External Static Pressure: 50Pa [0.20in.WG]
Power Source: 220-240V(50Hz/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
PEFY-P20VMA3-E
External Static Pressure: 70Pa [0.28in.WG]
Power Source: 220-240V(50Hz/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
PEFY-P20VMA3-E
External Static Pressure: 100Pa [0.40in.WG]
Power Source: 220-240V(50Hz/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
PEFY-P20VMA3-E
External Static Pressure: 125Pa [0.50in.WG]
Power Source: 220-240V(50Hz/60Hz)
