Lindab SDJR-S, Technical Manual

Page: 19 / 24

19
f (Hz) 63 125 250 500 1000 2000 4000 8000 Total
2 16 24 29 29 28 26 23 9 35
3 25 33 38 38 37 35 32 18 44
4
32 40 45 45 44 42 39 25
51
5 38 46 51 51 50 48 45 31 57
6 42 50 55 55 54 52 49 35 61
7 46 54 59 59 58 56 53 39 65
8 49 57 62 62 61 59 56 42 68
9
50 58 63 63 62 60 57 43
69
10 53 61 66 66 65 63 60 46 72
11 55 63 68 68 67 65 62 48 74
12 57 65 70 70 69 67 64 50 76
f (Hz) 63 125 250 500 1000 2000 4000 8000 Total
2 15 23 28 28 27 25 22 8 34
3
24 32 37 37 36 34 31 17
43
4 31 39 44 44 43 41 38 24 50
5 36 44 49 49 48 46 43 29 55
6 41 49 54 54 53 51 48 34 60
7 45 53 58 58 57 55 52 38 64
8
48 56 61 61 60 58 55 41
67
9 49 57 62 62 61 59 56 42 68
10 51 59 64 64 63 61 58 44 70
11 53 61 66 66 65 63 60 46 72
12 55 63 68 68 67 65 62 48 74
lindab | we simplify construction
Smoke Control Damper SDJR-S
Lindab reserves the right to make changes without prior notice
Last modified: 2021-09-03
Rev: 2021-03-26
w (m/s)
10. Noise data
7.1. Sound power level corrected with filter A
Tab. 7.1.1. Sound power level Lw in dB(A) for B=250/300/450mm, damper fully open
Tab. 7.1.2. Sound power level Lw in dB(A) for B=350/500/700/900/1100mm, damper fully open
w - air velocity in the free cross section (AxB) - i.e. before blades
f - frequency of octave band
w (m/s)