Specifications

19
•PFAV-P300VM-E-F
Power sorce : 3N 380/400/415V 50/60Hz
Note:The measuring point is the 1m from the bottom of the unit.
(1m from the front of the unit.)
44.5
8000Hz
65
dB(A)
49
4000Hz
56
2000Hz
60
1000Hz
62.5
500Hz
62.5
250Hz
63.5
125Hz
72.5
44.5 6549566062.562.563.572.5
63Hz
50Hz
60Hz
50Hz/60Hz
NC Curve
·OCTAVE BAND CENTER FREQUENCIES (Hz)
·Approximate minimum
audible limit on
continuous noise.
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-70
NC-60
NC-50
NC-30
NC-20
NC-40
OCTAVE BAND PRESSURE LEVEL (dB) 0 dB=20µPa
1m
1m
Measurement
location
1m
1m
Power sorce : 3N 380/400/415V 50/60Hz
Measurement
location
Note:The measuring point is the 1m from the bottom of the unit.
(1m from the front of the unit.)
25.5
8000Hz
48.5
dB(A)
32
4000Hz
37.5
2000Hz
41
1000Hz
44.5
500Hz
52
250Hz
56.5
125Hz
59.5
25.5 48.529.5394043.552.556.561.5
63Hz
50Hz
60Hz
50Hz, 60Hz
NC Curve
·OCTAVE BAND CENTER FREQUENCIES (Hz)
·Approximate minimum
audible limit on
continuous noise.
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-70
NC-60
NC-50
NC-30
NC-20
NC-40
OCTAVE BAND PRESSURE LEVEL (dB) 0 dB=20µPa
•PFAV-P750VM-E
(2) Fresh air intake type