AMCA Licensed for Sound, Air Performance without Appurtenances and Accessories
Universal Fan & Blower Ltd, certifies that the FLSD series of fans shown herein are licensed to bear the AMCA Seal.
The ratings are based upon tests and procedures performed in accordance with AMCA publications 211 and 311 and comply with the requirements of the AMCA Certified Ratings Program.
Performance ratings do not include the effects of appurtenances (accessories).
Power rating (KW BHP) does not include transmission losses.
Performance certified is for Installation Type D, Ducted Inlet, Ducted Outlet.
The sound power level ratings shown are in decibels, referred to 10-12 watts calculated per AMCA Standard 301. Values shown are for inlet Lwi sound power levels for Installation Type D "Ducted Inlet, Ducted Outlet." Ratings include the effects of duct end correction.
Sound Performance
| Octave Bands (Hz) |
63 |
125 |
250 |
500 |
1k |
2k |
4k |
8k |
| Level at Inlet (dB) |
115 |
118 |
113 |
111 |
111 |
100 |
97 |
94 |
| Overall Sound Power (LwA) |
114 dBA |
| Estimated Overall Sound Pressure (LpA) |
103 dBA @ 1 m |
Estimated sound pressure based on free field hemispherical radiation (Q = 2), at the stated distance. Sound Pressure levels of a fan are affected by the acoustic properties of the surrounding's in which it is installed and consequently dBA levels cannot be guaranteed.
Refer to AMCA Publication 303 for furthur information. dBA levels are not licensed by AMCA International.