Acoustic Testing Services Limited (ATSL) is a totally independent acoustic testing laboratory in Hong Kong, not subsidiary or sister company of any companies. ATSL is accredited by the Hong Kong Laboratory Accreditation Scheme (HOKLAS) which is an accreditation scheme operated by Hong Kong Accreditation Service (HKAS) of the Government of the Hong Kong Special Administrative Region (HKSAR) to provide acoustic tests and measurements for the public. Accreditation of ATSL is granted by HOKLAS with Registration Number 173 on 3rd May, 2006.
We are equipped with sophisticated instruments to provide a full range of laboratory and field acoustic testing services as follows, but not limited, to the public. Details of tests within scope of accreditation shall refer to the latest scope.
Testing & Measurement Services
Laboratory Tests | Standards |
Sound Insulation Test | ASTM E90; ASTM E1332; BS EN ISO 10140-2; BS EN ISO 140-3; BS EN 1793-2;
ISO 140-10; GB/T 19889.3 |
Sound Absorption Test | ASTM C423; BS EN ISO 354; BS EN 1793-1; GB/T 20247 |
Impact Insulation Test | ASTM E492; ASTM E2179; BS EN ISO 10140-3; BS EN ISO 140-6; BS EN ISO 140-8 |
Rain Impact Noise Test | BS EN ISO 140-18 |
Ceiling Attenuation Test | ASTM E1414; BS EN ISO 10848-2; BS EN 20140-9; ISO 140-9 |
Flanking Transmission Test for Raised Floor | BS EN ISO 10848-2 |
Sound Power Level Test | BS EN ISO 3745; BS EN ISO 3741 |
SWL Test for AHU System | BS EN ISO 3743-1 & ARI 260 |
Flanking Transmission Test for Facade | BS EN ISO 10848-2 |
Acoustic Tests for Silencer | ASTM E477; BS EN ISO 7235; GB/T 25516 |
Sound Diffusion Test | BS ISO 17497-1 |
Field Measurements | Standards |
Sound Insulation Test | BS EN ISO 140-4; ASTM E336; |
Reverberation Time Test | BS EN ISO 3382-2 |
Impact Insulation Test | BS EN ISO 140-7; ASTM E1007 |
Rain Impact Noise Test | ATS-IHM002-RI (In house method) |
Noise Criteria (NC) & | ATS-IHM001-NC (In house method) |
Computer Simulation & Modeling
Computer Simulation & Modeling | Software |
Room acoustics simulation for room acoustics, auditorium acoustics and industrial noise control | ODEON |
Sound computation in the entire building according to EN ISO 12354 Parts 1, 2, 3, 4 | |
Sound Insulation Prediction | |
Sound Absorption Prediction | |
Acoustic Calculation for sound transmission from indoor to outdoor or outdoor to indoor | Minerva by Marshall Day Acoustics |