Sound Levels - Mitsubishi Electric City Multi PWFY-P36NMU-E-BU Data Book

6. SOUND LEVELS

6. SOUND LEVELS
Measurement condition
PWFY-P36NMU-E-BU
Measurement
location
Measurement condition
PWFY-P36, 72NMU-E2-AU
Measurement
location
MEES20K028
3-1/4 ft. (1m)
3-1/4 ft. (1m)
Sound pressure level of PWFY-P36NMU-E-BU
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
10
continuous noise
0
63 125 250 500
Octave band center frequencies <Hz>
63 125 250 500
60Hz
41.0 53.5 37.0 42.0
Sound pressure level of PWFY-P36, 72NMU-E2-AU
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
10
continuous noise
0
63 125 250 500
Octave band center frequencies <Hz>
63 125 250 500
60Hz 42.0 32.0 33.0 25.0
AIR TO WATER
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1k 2k 4k 8k
1k 2k 4k 8k dB(A)
39.0 32.0 27.5 27.0 44.0
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1k 2k 4k 8k
1k 2k 4k 8k dB(A)
22.5 14.5 15.0 12.0 29.0
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