Noise Criterion Curves - Mitsubishi Electric Mr.SLIM PUMY-P125VKM Service Manual

5

NOISE CRITERION CURVES

PCA-M35KA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PCA-M60KA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH659
SPL(dB) LINE
NOTCH
39
High
36
Medium1
33
Medium2
31
Low
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
NOTCH SPL(dB) LINE
High 40
Medium1 37
Medium2 35
Low 33
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
PCA-M50KA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
PCA-M71KA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
17 17
NOTCH
High
Medium1
Medium2
Low
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
NOTCH
High
Medium1
Medium2
Low
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
SPL(dB) LINE
40
37
34
32
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
SPL(dB) LINE
41
39
37
35
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000