OCH790 _26
5-6. Noise criterion curves
PUMY-P112VKM6(-BS)
PUMY-P112YKM5(-BS)
PUMY-P112VKM6-ER(BS)
PUMY-P112YKM5-ER(BS)
90
80
70
60
50
40
30
20
10
63
125
250
500
1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
OCT
AVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
51
Mode
Cooling
Heating
SPL(dB)
LINE
49
PUMY-P125VKM6(-BS)
PUMY-P125YKM5(-BS)
PUMY-P125VKM6-ER(BS)
PUMY-P125YKM5-ER(BS)
90
80
70
60
50
40
30
20
10
63
125
250
500
1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
OCT
AVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
52
Mode
Cooling
Heating
SPL(dB)
LINE
50
PUMY-P140VKM6(-BS)
PUMY-P140YKM5(-BS)
PUMY-P140VKM6-ER(BS)
PUMY-P140YKM5-ER(BS)
90
80
70
60
50
40
30
20
10
63
125
250
500
1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
OCT
AVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
53
Mode
Cooling
Heating
SPL(dB)
LINE
51
1.5 m
1 m
MICROPHONE
UNIT
GROUND
