Noise Criterion Curves - Sanyo SPW-C483GYH8 Service Manual

2. 4-Way Air Discharge Semi-concealed Type

2-5. Noise criterion curves

MODEL
SOUND LEVEL : HIGH 37 dB(A), NC 30
CONDITION
SOURCE
1
60
50
40
30
APPROXIMATE
THRESHOLD OF
20
HEARING FOR
CONTINUOUS
NOISE
10
63
REMARKS: 1. Value obtained in the actual place
2. The test results were obtained from an
NOTE To evaluate "Noise level" the maximum number
of the measured OCTAVE BAND SOUND
PRESSURE LEVEL is used. Read the number
on each BAND CENTER FREQUENCIES
(horizontal axis) ranging from 63 Hz to 8000 Hz
and select the maximum value (vertical axis)
among them.
: SPW-X123GH56 , X183GH56
LOW 30 dB(A), NC 22
: Center, Under the unit 1.5 m
: 220 - 230 - 240 V, 1 Phase, 50 Hz
125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
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.
anechoic room.
ECO MULTI SYSTEM Unit Spesifications
MODEL
SOUND LEVEL : HIGH 37 dB(A), NC 30
CONDITION
SOURCE
60
50
NC-50
40
NC-40
30
NC-30
APPROXIMATE
THRESHOLD OF
20
NC-20 HEARING FOR
CONTINUOUS
NOISE
10
63
0273_X_I
MODEL
SOUND LEVEL : HIGH 43 dB(A), NC 36
CONDITION
SOURCE
60
50
40
30
APPROXIMATE
THRESHOLD OF
20
HEARING FOR
CONTINUOUS
NOISE
10
63
BAND CENTER FREQUENCIES, Hz
I - 32
: SPW-X253GH56
LOW 31 dB(A), NC 22
: Center, Under the unit 1.5 m
: 220 - 230 - 240 V, 1 Phase, 50 Hz
125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
: SPW-X363GH56 , X483GH56
LOW 36 dB(A), NC 24
: Center, Under the unit 1.5 m
: 220 - 230 - 240 V, 1 Phase, 50 Hz
125 250 500 1000 2000 4000 8000
NC-50
NC-40
NC-30
NC-20
0274_X_I
NC-50
NC-40
NC-30
NC-20
0275_X_I
SM830052