Mitsubishi Electric MFZ-KA-VA Technical Data Manual page 61

SEZ-KA35VA
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SEZ-KA60VA
SEZ-KA71VA
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
NOTE: The sound level is measured in an anechoic room where echoes are few, when compressor stops. The sound
may be bigger than displayed level under actual installation condition by surrounding echoes. The sound level
can be higher by about 2 dB than the displayed level during cooling and heating operation.
<50Hz>
NOTCH SPL(dB) LINE
High 35
Low
30
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
<50Hz>
SPL(dB)
NOTCH LINE
High 43
Low 32
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
SEZ-KA50VA
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
External static
pressure 30Pa
61
NOTCH SPL(dB)
High 39
Low
31
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
UNIT
1.5m
MICROPHONE
<50Hz>
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000