Noise Criterion Curves - Mitsubishi Electric PSA-RP100KA Service Manual

5

NOISE CRITERION CURVES

PSA-RP71KA
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PSA-RP125KA
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH528
NOTCH SPL(dB) LINE
44
High
42
Middle
40
Low
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
SPL(dB) LINE
NOTCH
51
High
49
Middle
45
Low
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
MICROPHONE
1m
1m
PSA-RP100KA
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
PSA-RP140KA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
unit
floor
9 9
NOTCH SPL(dB)
High 50
49
Middle
45
Low
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
SPL(dB)
NOTCH
51
High
Middle 49
45
Low
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000