Mitsumi electronic PLA-A24AA Air Conditioner User Manual


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10
6
NOISE CRITERION CURVES
PLA-A12AA
PLA-A12AA
1
NOTCH SPL(dB) LINE
High
Medium1
Medium2
Low
31
29
28
27
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
BAND CENTER FREQUENCIES, Hz
PLA-A36AA
PLA-A42AA
PLA-A36AA
1
PLA-A42AA1
NOTCH SPL(dB) LINE
41
39
36
33
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
High
Medium1
Medium2
Low
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
PLA-A18AA PLA-A18AA
1
PLA-A24AA PLA-A24AA
1
PLA-A30AA PLA-A30AA
1
NOTCH SPL(dB) LINE
34
32
30
28
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
High
Medium1
Medium2
Low
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
UNIT
5 ft
MICROPHONE
CEILING
OC370B--1.qxp 07.6.20 2:42 PM Page 10
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