ISO 5135:2020 PDF

Scope: This document establishes general rules for the acoustic testing of air-terminal devices, 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.

ISO 5135:2020 Referenced Document

ANSI/ASHRAE 130 Laboratory Methods of Testing Air Terminal Units
ANSI/ASHRAE 70 Method of Testing the Performance of Air Outlets and Air Inlets
EN 12238 Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for mixed flow application
EN 12239 Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for displacement flow applications
EN 1751 Ventilation for buildings - Air terminal devices - Aerodynamic testing of damper and valves
ISO 3741:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms
ISO 7235 Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

2020 ISO 5135:2020 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
1997 ISO 5135:1997 Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room
1984 ISO 5135:1984 Acoustics — Determination of sound power levels of noise from air terminal devices, high/low velocity/pressure assemblies, dampers and valves by measurement in a reverberation room