Noise Criterion Curves - Sanyo SPW-C483GYH8 Service Manual

5. Wall Mounted Type

5-5. Noise criterion curves

MODEL
SOUND LEVEL : HIGH 38 dB(A), NC 33
CONDITION
SOURCE
1
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
BAND CENTER FREQUENCIES, Hz
MODEL
SOUND LEVEL : HIGH 46 dB(A), NC 41
CONDITION
SOURCE
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
: SPW-K93GH56
LOW 30 dB(A), NC 25
: Distance 1 m, Under the unit 1 m
: 220 - 230 - 240 V, 1 Phase, 50 Hz
125 250 500 1000 2000 4000 8000
: SPW-K183GH56
LOW 37 dB(A), NC 32
: Distance 1 m, Under the unit 1 m
: 220 - 230 - 240 V, 1 Phase, 50 Hz
500 1000 2000 4000 8000
ECO MULTI SYSTEM Unit Specifications
MODEL
SOUND LEVEL : HIGH 40 dB(A), NC 35
CONDITION
SOURCE
90
80
NC-70
70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
20
NC-20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
BAND CENTER FREQUENCIES, Hz
0290_K_I
REMARKS: 1. Value obtained in the actual place
NC-70
NC-60
NC-50
NOTE To evaluate "Noise level" the maximum number
of the measured OCTAVE BAND SOUND
NC-40
PRESSURE LEVEL is used. Read the number
on each BAND CENTER FREQUENCIES
NC-30
(horizontal axis) ranging from 63 Hz to 8000 Hz
and select the maximum value (vertical axis)
among them.
NC-20
0292_K_I
I - 64
: SPW-K123GH56
LOW 34 dB(A), NC 29
: Distance 1 m, Under the unit 1 m
: 220 - 230 - 240 V, 1 Phase, 50 Hz
125 250 500 1000 2000 4000 8000
where the unit is installed may be
slightly higher than the values shown in
this graph because of the conditions of
operation, the structure of the building,
the background noise and other factors.
2. The test results were obtained from an
anechoic room.
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
0291_K_I
SM830052