DataSheet OPTIMA LV R201905

20 / 24 | Variable Air Volume Controllers
Diagram 11: Pressure drop and A-weighted total discharged sound power
level depending on air ow volume at different duct pressures
SIZE 400
600
550
500
450
400
350
300
250
200
90
100 200 400
2714500
300
1000 1500
500
OPTIMA-LV-R (RI) -400
50
q
V
(m
3
/h)
q
V
(l/s)
p
s
(Pa)
150
45
50
40
100
2000
55
60
L
WA
= 65 dB
70
75
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
90
50 33 46 44 36 38 31 23 15 13 19
100 38 48 45 39 41 36 32 27 24 28
150 43 49 46 40 43 39 37 34 31 33
300 52 54 47 43 46 44 46 46 43 41
600 62 62 48 47 50 50 55 58 54 50
1357
50 48 66 65 59 49 45 38 30 26 26
100 55 71 69 65 58 53 47 40 36 34
150 60 74 71 69 63 58 53 46 42 39
300 69 80 75 75 72 67 62 56 51 48
600 78 86 80 82 81 75 72 67 61 56
2714
50 52 68 67 61 52 51 45 38 31 26
100 59 75 73 69 61 58 52 46 40 35
150 64 79 77 73 66 62 57 51 45 41
300 72 86 84 81 75 69 64 59 54 50
600 80 93 90 89 84 76 72 67 64 60
Tab. 11: A-weighted & non-weighted octave band discharged sound power level dependent on duct static pressure and air ow volume;
OPTIMA-LV-R (RI) -400