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 | 53 | 32 | 45 | 50 | 45 | 38 | 34 | 36 | 29 | 32 | 42 | ||||||||||||
LwA to supply outlet | dBA | 61 | 36 | 51 | 60 | 52 | 38 | 39 | 41 | 33 | 40 | 50 | ||||||||||||
LwA to exhaust inlet | dBA | 53 | 33 | 45 | 50 | 45 | 38 | 34 | 35 | 31 | 32 | 42 | ||||||||||||
LwA to exhaust outlet | dBA | 61 | 37 | 51 | 59 | 54 | 41 | 40 | 41 | 33 | 40 | 50 | ||||||||||||
LwA to environmet | dBA | 47 | 29 | 41 | 44 | 37 | 34 | 28 | 27 | 23 | 26 | 36 |
Point | Total power of the unit, W | Total sound pressure level at 3 m (1 m), dBA |
---|---|---|
1 | 49 | 26 (36) |
2 | 49 | 26 (36) |
3 | 48 | 25 (35) |
4 | 21 | 22 (32) |
5 | 21 | 22 (32) |
6 | 20 | 21 (31) |
7 | 8 | 19 (29) |
8 | 8 | 18 (28) |
9 | 8 | 18 (28) |