Mitsubishi Electric PUMY-P112VKM3 Technical & Service Manual page 26

4-6. NOISE CRITERION CURVES
PUMY-P112VKM3(-BS)
PUMY-P112YKM3(-BS)
PUMY-P112YKME3(-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-P140VKM3(-BS)
PUMY-P140YKM3(-BS)
PUMY-P140YKME3(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH632A
MODE SPL(dB) 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-P125VKM3(-BS)
PUMY-P125YKM3(-BS)
PUMY-P125YKME3(-BS)
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
BAND CENTER FREQUENCIES, Hz
MICROPHONE
1 m
1.5 m
26
MODE SPL(dB) LINE
COOLING 50
HEATING 52
250 500 1000 2000 4000 8000
UNIT
GROUND
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20