Mitsubishi Electric PEFV-P72NMHSU-E Technical & Service Manual page 12

External Static Pressure:250Pa, 1.00[in.WG]
Power Source: 208, 230V, 50Hz/60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
audible limit on
15.0
continuous noise
10.0
63 125 250
Octave band center frequencies (Hz)
PEFY-P96NMHSU-E
External Static Pressure:50Pa, 0.20[in.WG]
Power Source: 208, 230V, 50Hz/60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
audible limit on
15.0
continuous noise
10.0
63 125 250
Octave band center frequencies (Hz)
External Static Pressure:150Pa, 0.60[in.WG]
Power Source: 208, 230V, 50Hz/60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
audible limit on
15.0
continuous noise
10.0
63 125 250
Octave band center frequencies (Hz)
HWE1017B
High
Middle
Low
NC-60
NC-50
NC-40
NC-30
NC-20
500 1k 2k 4k 8k
High
Middle
Low
NC-60
NC-50
NC-40
NC-30
NC-20
500 1k 2k 4k 8k
High
Middle
Low
NC-60
NC-50
NC-40
NC-30
NC-20
500 1k 2k 4k 8k
External Static Pressure:100Pa, 0.40[in.WG]
Power Source: 208, 230V, 50Hz/60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
audible limit on
15.0
continuous noise
10.0
63 125 250
Octave band center frequencies (Hz)
External Static Pressure:200Pa, 0.80[in.WG]
Power Source: 208, 230V, 50Hz/60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
audible limit on
15.0
continuous noise
10.0
63 125 250
Octave band center frequencies (Hz)
- 6 - 6
High
Middle
Low
NC-60
NC-50
NC-40
NC-30
NC-20
500 1k 2k 4k 8k
High
Middle
Low
NC-60
NC-50
NC-40
NC-30
NC-20
500 1k 2k 4k 8k
GB