Noise Criterion Curves - Mitsubishi PUMY-P100YHM Technical & Service Manual

5-4.NOISE CRITERION CURVES

PUMY-P100YHM
PUMY-P100YHM
1
PUMY-P100YHMA(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PUMY-P140YHM
PUMY-P140YHM
1
PUMY-P140YHMA(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SPL(dB)
MODE LINE
COOLING 49
HEATING 51
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
SPL(dB)
MODE LINE
COOLING 51
HEATING 53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
PUMY-P125YHM
PUMY-P125YHM
PUMY-P125YHMA(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
MICROPHONE
1m
1.5m
17
SPL(dB)
MODE
COOLING
1
HEATING
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
UNIT
LINE
50
52
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
GROUND