Mitsubishi Electric PEAD Series Service Manual page 19

SOUND PRESSURE LEVELS
PEAD-A36AA7
External static pressure 0.14 [in.WG] (35Pa)
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
Approximate minimum
10.0
audible limit on
continuous noise
5.0
0.0
63 125 250 500
Octave band center frequencies (Hz)
External static pressure 0.20 [in.WG] (50Pa)
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
Approximate minimum
10.0
audible limit on
continuous noise
5.0
0.0
63 125 250 500
Octave band center frequencies (Hz)
External static pressure 0.28 [in.WG] (70Pa)
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
Approximate minimum
10.0
audible limit on
continuous noise
5.0
0.0
63 125 250 500
Octave band center frequencies (Hz)
HWE16080
High Low
Middle
NC-60
NC-50
NC-40
NC-30
NC-20
1k 2k 4k 8k
High Low
Middle
NC-60
NC-50
NC-40
NC-30
NC-20
1k 2k 4k 8k
High Low
Middle
NC-60
NC-50
NC-40
NC-30
NC-20
1k 2k 4k 8k
19
External static pressure 0.40 [in.WG] (100Pa)
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
Approximate minimum
10.0
audible limit on
continuous noise
5.0
0.0
63 125 250 500 1k
Octave band center frequencies (Hz)
External static pressure 0.60 [in.WG] (150Pa)
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
Approximate minimum
10.0
audible limit on
continuous noise
5.0
0.0
63 125 250 500 1k
Octave band center frequencies (Hz)
High Low
Middle
NC-60
NC-50
NC-40
NC-30
NC-20
2k 4k 8k
High Low
Middle
NC-60
NC-50
NC-40
NC-30
NC-20
2k 4k 8k