Mitsubishi Electric MFZ-KA-VA Technical Data Book page 98

SEZ-KA35VA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD 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
THRESHOLD 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 the indicated level in actual use due to surrounding echoes. The sound level can be higher
by about 2 dB than the indicated 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>
NOTCH SPL(dB) 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
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
External static
pressure 30Pa
98
<50Hz>
NOTCH SPL(dB) LINE
High 39
Low 31
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
UNIT
1.5m
MICROPHONE