Sound Pressure Level - Haier AB072MRERA Service Manual

19.8 Sound pressure level

(1) Testing illustrate:
(2) Testing condition:
a. Unit running in the nominal condition.
b. Test in the semi-anechoic chamber.
c. Noise level varies from the actual factors such as room structure, etc.
(3) Octave band level:
AF052MAERA
AF072/092/122MAERA
70
60
50
40
30
20
Limit of
audible
continuous
noise
10
63 125 250 500
Octave band center frequency (HZ)
AF182MAERA
AF182MAERA
70
60
50
40
30
20
Limit of
audible
continuous
noise
10
63 125
250 500
Octave band center frequency (HZ)
1000 2000 4000 8000
1000 2000 4000 8000
1m
AF072/092/122MAERA
AF072/092/122MAERA
70
60
50
40
30
20
Limit of
audible
continuous
noise
10
63 125 1000 2000
250 500
Octave band center frequency (HZ)
488
4000 8000