Samsung DVM PLUS III - Page 135

II-95
I
NDOOR
U
NITS
7-7. Sound pressure level
1) Operation sound level
2) NC curves
(1) AVXTJH028E✴ (2) AVXTJH036E✴
1m
1m
Microphone
Unit : dB(A)
Model High Low
AVXTJH028E✴ 38 23
AVXTJH036E✴ 39 24
◆ These operation values were obtained in a dead room. Sound pressure level will vary depending on a range of
factors such as the construction of the particular room where the equipment is installed.
◆ Operation sound level may differ depending on operation and ambient conditions.
;
NN
NN
oo
oo
tt
tt
ee
ee
NC 40
NC 35
NC 30
NC 25
NC 20
NC 15
45
40
35
30
25
20
15
10
5
63 125 250 500 1000 2000 4000 8000
NC 45
HIGH
LOW
Sound pressure level (dB)
Octave band center frequency(Hz)
NC 40
NC 35
NC 30
NC 25
NC 20
NC 15
45
40
35
30
25
20
15
10
5
63 125 250 500 1000 2000 4000 8000
NC 45
HIGH
LOW
Sound pressure level (dB)
Octave band center frequency(Hz)
chapter2_Indoor units(052~107) 3/14/08 22:15 Page 95