DataSheet OPTIMA LV R201905

18 / 24 | Variable Air Volume Controllers
Diagram 9: Pressure drop and A-weighted total discharged sound power
level depending on air ow volume at different duct pressures
SIZE 250
600
550
500
450
400
350
300
250
200
35
50 100 200
1060200 500
150
100 300 400
250
OPTIMA-LV-R (RI) -250
50
q
V
(m
3
/h)
q
V
(l/s)
p
s
(Pa)
150
45
50
40
35
100
700
55
60
L
WA
= 65 dB
70
75
800600 900
q
V
p
s
L
WA
L
W
Non Weighted Sound Power Level
(m
3
/h) (Pa) (dB) 63 Hz 125 Hz 250 Hz 500 Hz 1 kHz 2 kHz 4 kHz 8 kHz
35
50 28 42 42 29 29 29 17 12 10 17
100 33 44 42 32 33 32 25 23 21 25
150 38 45 43 34 36 34 31 30 27 30
300 47 49 44 37 40 38 40 41 38 39
600 57 57 45 40 45 42 49 53 49 47
530
50 47 61 58 58 47 47 39 31 22 22
100 54 64 60 61 54 54 47 41 33 31
150 58 67 61 63 58 58 52 46 39 37
300 65 72 63 68 65 64 60 55 50 46
600 73 78 65 72 71 71 68 65 60 56
1060
50 49 65 62 61 48 47 42 36 27 24
100 57 70 66 66 57 55 50 45 37 33
150 61 73 68 69 63 60 55 50 43 38
300 70 79 72 75 72 69 63 58 52 48
600 78 86 76 82 81 77 72 67 62 57
Tab. 9: A-weighted & non-weighted octave band discharged sound power level dependent on duct static pressure and air ow volume;
OPTIMA-LV-R (RI) -250