Noise Criterion Curves - Mitsubishi Electric PLA-RP·BA Technical Data Book

10

NOISE CRITERION CURVES

10-1. INDOOR UNIT
PLA-RP50BA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PLA-RP71BA
PLA-RP71BA2
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
NOTCH SPL(dB) LINE
High 32
Medium1 31
Medium2 29
Low 28
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
NOTCH SPL(dB) LINE
High 34
Medium1 32
Medium2 30
Low 28
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
PLA-RP60BA
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
PLA-RP100BA
PLA-RP100BA3
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
73 73
NOTCH SPL(dB)
High 32
Medium1 31
Medium2 29
Low 28
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
NOTCH SPL(dB)
High 40
Medium1 37
Medium2 34
Low 32
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