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sklademVydáno: 2021-04-14
UNE EN ISO 5135:2021
Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room (ISO 5135:2020)
Acústica. Determinación de los niveles de potencia acústica de ruido emitido por salidas de aire, unidades de salida, reguladores y válvulas mediante medición en sala reverberante. (ISO 5135:2020).
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| Označení normy: | UNE EN ISO 5135:2021 |
| Počet stran: | 23 |
| Vydáno: | 2021-04-14 |
| Status: | Norma |
DESCRIPTION
UNE EN ISO 5135:2021
This document establishes general rules for the acoustic testing of air-terminal units, dampers and valves used in air diffusion and air distribution systems in order to determine sound power levels as defined in ISO 3741.
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