Noise Criteria Curves - Mitsubishi Electric MS-C18TV-E1 WH Service Manual

4

NOISE CRITERIA CURVES

MS-C18TV -
E1
Test conditions,
Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MS-C24TV -
E1
Test conditions,
Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SPL(dB(A)) LINE
NOTCH
High
42
500 1000 2000 4000 8000
SPL(dB(A)) LINE
NOTCH
High 45
500 1000 2000 4000 8000
MU-C18TV -
E1
Test conditions,
Cooling : Dry-bulb temperature 35: Wet-bulb temperature 24:
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
NC-20
CONTINUOUS
NOISE
10
63 125
MU-C24TV -
E1
Test conditions,
Cooling : Dry-bulb temperature 35: Wet-bulb temperature 24:
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
NC-20
CONTINUOUS
NOISE
10
63 125
8
NOTCH SPL(dB(A))
High 52
250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
SPL(dB(A))
NOTCH
High 53
250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000