Mitsubishi City Multi PEFY-P72NMHSU-E, Техническое и сервисное руководство, Страница: 11 / 76

5 - 5 -
HWE10170 GB
[3] Sound pressure levels
1. Sound pressure level
Ceiling concealed
2. NC curves
PEFY-P72NMHSU-E
Measurement point
Inlet
Outlet
1.5m
2m
1m
Approximate minimum
audible limit on
continuous noise
High
Middle
Low
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
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
External Static Pressure:50Pa, 0.20[in.WG]
Power Source: 208, 230V, 50Hz/60Hz
Approximate minimum
audible limit on
continuous noise
High
Middle
Low
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
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
External Static Pressure:100Pa, 0.40[in.WG]
Power Source: 208, 230V, 50Hz/60Hz
Approximate minimum
audible limit on
continuous noise
High
Middle
Low
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
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
External Static Pressure:150Pa, 0.60[in.WG]
Power Source: 208, 230V, 50Hz/60Hz
Approximate minimum
audible limit on
continuous noise
High
Middle
Low
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
NC-40
NC-30
NC-20
Octave band center frequencies (Hz)
External Static Pressure:200Pa, 0.80[in.WG]
Power Source: 208, 230V, 50Hz/60Hz
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