11
TCH067
10
11
UNIT
1.5m
MICROPHONE
CEILING
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
OCT
AVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
BAND CENTER FREQUENCIES, Hz
High
Medium
39
SPL(dB)
34
LINE
<50Hz>
NOTCH
Low
27
SLZ-M50FA2.TH
SLZ-M50FA2-ER.TH
SLZ-M50FA2-ET.TH
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
OCT
AVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
BAND CENTER FREQUENCIES, Hz
High
Medium
43
SPL(dB)
40
LINE
<50Hz>
NOTCH
Low
32
SLZ-M60FA2.TH
SLZ-M60FA2-ER.TH
SLZ-M60FA2-ET.TH
NOTE: The sound level is measured in an ane-
choic 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.
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
OCT
AVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
BAND CENTER FREQUENCIES, Hz
High
Medium
34
SPL(dB)
30
LINE
<50Hz>
NOTCH
Low
25
SLZ-M35FA2.TH
SLZ-M35FA2-ER.TH
SLZ-M35FA2-ET.TH
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29/9/2564 13:36:29
29/9/2564 13:36:29