Noise Criterion Curves - Sanyo SPW-C483GYH8 Service Manual

6. Ceiling Mounted Type

6-5. Noise criterion curves

MODEL
SOUND LEVEL : HIGH 42 dB(A), NC 40
CONDITION
SOURCE
90
1
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
BAND CENTER FREQUENCIES, Hz
MODEL
SOUND LEVEL : HIGH 47 dB(A), NC 45
CONDITION
SOURCE
90
80
70
60
50
40
30
APPROXIMATE
THRESHOLD OF
20
HEARING FOR
CONTINUOUS
NOISE
10
63
BAND CENTER FREQUENCIES, Hz
: SPW-T183GH56
LOW 36 dB(A), NC 30
: Distance 1 m, Under the unit 1 m
: 220 - 230 - 240 V, 1 Phase, 50 Hz
125 250 500 1000 2000 4000 8000
: SPW-T363GH56
LOW 39 dB(A), NC 34
: Distance 1 m, Under the unit 1 m
: 220 - 230 - 240 V, 1 Phase, 50 Hz
125 250 500 1000 2000 4000 8000
ECO MULTI SYSTEM Unit Specifications
MODEL
SOUND LEVEL : HIGH 45 dB(A), NC 43
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
0297_T_I
MODEL
SOUND LEVEL : HIGH 48 dB(A), NC 46
CONDITION
SOURCE
90
80
NC-70
70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
APPROXIMATE
THRESHOLD OF
20
HEARING FOR
NC-20
CONTINUOUS
NOISE
10
63
BAND CENTER FREQUENCIES, Hz
0299_T_I
I - 76
: SPW-T253GH56
LOW 37 dB(A), NC 34
: Distance 1 m, Under the unit 1 m
: 220 - 230 - 240 V, 1 Phase, 50 Hz
125 250 500 1000 2000 4000 8000
: SPW-T483GH56
LOW 40 dB(A), NC 36
: Distance 1 m, Under the unit 1 m
: 220 - 230 - 240 V, 1 Phase, 50 Hz
125 250 500 1000 2000 4000 8000
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
0298_T_I
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
0300_T_I
SM830052