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LABORATORY TESTS

Testing areas (15)
Products (101)

Reference Designation/Description Accredited
assay
Reference
standards
Product/
Material
Comments (Administrator)
ACL.01 Laboratory test: Measurement of airborne sound reduction index for Rw. Range: Rw ≤ 72 dB ISO 10140-1:2021 (except annexes J and K); ISO 10140-2: 2021; ISO 10140-4:2021; ISO 717-1:2020 Building elements EN 1793-2:2018, EN 1793-3:1997 (only applicable to noise barriers intended for road traffic); EN 16272-2:2012, EN 16272-3-1:2012 (only applicable to noise barriers intended for railway)
ACL.02 Laboratory test: Measurement of sound absorption in a reverberation room NP EN ISO 354:2007 Building acoustics EN ISO 11654:1997 (applicable to flat objects); EN 1793-1:2017, EN 1793-3:1997 (only applicable to noise barriers intended for road traffic); EN 16272-1:2012, EN 16272-3-1:2012 (only applicable to noise barriers intended for railway)
ACL.03 Laboratory test: Determination of impact sound insulation index, Ln,w. Range Ln,w ≥ 25 dB ISO 10140-3:2021; ISO 10140-4:2021; ISO 717-2:2020 Building acoustics Range: Ln,w ≥ 25 dB
ACL.06 Laboratory measurement of the reduction of the transmitted impact noise by floor coverings ∆Lw. Range: ∆Lw ≤ 50 dB ISO 10140-1:2021; ISO 10140-3:2021; ISO 10140-4:2021; ISO 717-2:2020 Building acoustics Range: ∆Lw ≤ 50 dB
ACL.13 Determination of sound transmission loss in an impedance tube Internal procedure
ACL.28 Test methods for the qualification of free-field environments Annex A of ISO 3745:2012 + Amd1:2017; ISO 26101-1:2021 Anechoic and hemi-anechoic rooms
ACL.28.01 Generic procedure for evaluating the directivity of a sound source Annex B of ISO 26101-1:2021 Test sound sources
ACL.29 Sound-scattering properties of surfaces – Measurement of the random-incidence scattering coefficient in a reverberation room ISO 17497-1:2004 + Amd1:2014 Building elements
ACL.30 Sound-scattering properties of surfaces – Measurement of the directional diffusion coefficient in a free field ISO 17497-2:2012 Building elements
ACL.31 Measurement of the impulse response ISO 18233:2006 Building elements
ACO.05 Determination of mass per linear meter of steel prestressing bars LNEC E 459 Steel rods for prestressing
ACO.06 Determination of the cross-sectional area of steel wires and strands for prestressing LNEC E 452, LNEC E 453 Steel wires and strands for prestressing
ACO.09 Rebend test ISO 15630-1:2019 (section 7) Steel bars for concrete reinforcement Up to 32 mm diameter bars.
ACO.10 Tensile test of prestressing steel wires, strands and bars ISO 15630-3:2019 (section 5); ISO 6892-1:2019 Prestressing steel wires, strands and bars
ACO.11 Shear test ISO 15630-2:2019 (section 7.1) Welded fabric