Sound pressure level, A – weighted | Octave-frequency band [Hz] | LpA, 3m dBA | LpA, 1m dBA | |||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Hz | General | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | |||||||||||||||
LwA to supply inlet | dBA | 60 | 46 | 54 | 58 | 50 | 46 | 40 | 40 | 31 | 40 | 50 | ||||||||||||
LwA to supply outlet | dBA | 63 | 52 | 58 | 60 | 54 | 46 | 40 | 41 | 35 | 43 | 53 | ||||||||||||
LwA to exhaust inlet | dBA | 61 | 47 | 54 | 58 | 50 | 47 | 41 | 41 | 32 | 40 | 50 | ||||||||||||
LwA to exhaust outlet | dBA | 63 | 51 | 58 | 59 | 56 | 46 | 40 | 41 | 35 | 43 | 53 | ||||||||||||
LwA to environmet | dBA | 55 | 44 | 51 | 51 | 43 | 38 | 32 | 28 | 24 | 34 | 44 |
Point | Total power of the unit, W | Total sound pressure level at 3 m (1 m), dBA |
---|---|---|
1 | 169 | 34 (44) |
2 | 169 | 34 (44) |
3 | 169 | 33 (43) |
4 | 87 | 28 (38) |
5 | 86 | 28 (38) |
6 | 84 | 27 (37) |
7 | 20 | 22 (32) |
8 | 19 | 22 (32) |
9 | 19 | 21 (31) |