Mitsubishi Electric PEH-P8MYA Technical & Service Manual page 30

PEH-P16MYA
Measurement condition
Aux. duct
1m
Measured point
PEH-P20MYA
Measurement condition
Aux. duct
1m
Measured point
90
80
70
2m
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63Hz
90
80
2m
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63Hz 125Hz
–28–
125Hz 250Hz 500Hz
OCTAVE BAND CENTER FREQUENCIES <Hz>
250Hz 500Hz
OCTAVE BAND CENTER FREQUENCIES <Hz>
External static pressure: 150Pa
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000Hz 2000Hz 4000Hz
External static pressure: 150Pa
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000Hz 2000Hz 4000Hz
8000Hz
8000Hz