Acoustics Services

 

Summary Lab Test

Acoustics and Air Testing Laboratory Company Limited (A+A)*L is a professional and independent testing laboratory incorporated since June 1995 in Hong Kong, equipped with latest technology of instruments in accordance with international testing standards (ASTM, ISO) in providing a full range of Acoustics and Air testing services.

(A+A)*L has been accredited as HOKLAS Laboratory by the HKAS Executive and has been assigned registration number .

 

學及空氣測試實驗室有限公司(A+A)*L成立於1995年,為香港政府機構及私營企業提供獨立聲學及空氣專業測試服務的私營公司。本公司擁有多種精密的測試儀器和設備,可以根據不同的測試標準和規範進行各種建築聲學材料的隔聲和吸聲性能等聲學測試以及室內空氣質素檢定服務。同時,本公司在香港還從事聲學與震動顧問諮詢,現場隔聲測試,室內聲環境測量,環境噪聲和震動測量以及通風管道流量和壓力測量的工作。

本公司是經香港特別行政區政府創新科技署轄下的香港認可處所認可之實驗所() [認可編號為 ]  

 

HOKLAS Accredited Laboratory 獲得香港認可處所認可的實驗室:

Laboratory

實驗室

International Testing Standards

國際測試標準

Test Specimen

測試件

Testing Method

測試方法

Rating

宣告標準

Result

測試結果

Sound Transmission Loss Test Chamber

隔音性能測試室

ISO 140-3

GB/T 19889.3

BS EN 717-1

Rw

Building elements and partitions, wall, floor-ceiling assemblies, façade elements and façades, doors, window, roofs, panels, and other space-dividing elements.

建築材料或構件,包括牆板,樓板,門,窗, 屏障的隔聲性能進行獨立的測試。

BS EN 1793-2 & 1793-3

DLR

ASTM E90

ASTM E413

STC

ASTM E1332

OITC

Reverberation Chamber混響室

ISO 354

EN ISO 11654

GB/T 20247

ISO 354

a

(Sound absorption coefficient)

Sound absorptive materials, such as acoustical materials with air cavity backing, ceiling tiles, wall panels, baffles, office screens, theater chairs, and space absorbers.

測定聲學材料或結構的吸聲特性,其中包括大空腔吸聲結構,吸音天花,吸音牆身等的吸聲特性。

BS EN 1793-1 & 1793-3

DLa

ASTM C423

ASTM E795

ASTM C423

SAA (1-3)

NRC (1-1)

Impact Insulation Test Chamber衝擊音隔音量測試室

ISO 140-6

GB/T 19889.6

BS EN 717-2

Lnw

All kinds of floor-ceiling assemblies, including those with floating-floor or suspended ceiling elements, or both, and floor-ceiling assemblies surfaces with any type of floor-surfacing or floor-covering materials.

地板及天花組合, 如浮動地板系統,假天花系統,地毯,樓板緩衝材等進行獨立的衝擊音隔聲性能。

ASTM E492

ASTM E989

IIC

ISO 140-8

GB/T 19889.8

BS EN 717-2

rLn

All floor coverings, whether single or multi-layered coverings, as installed on a standard concrete floor.

高架地板系統,地毯,樓板緩衝材等進行獨立的衝擊音隔聲性能。

ASTM E2179

ASTM E989

rIIC

   

Laboratory Measurement

Sound Transmission Loss Measurement

Sound Absorption Measurement

Sound Impact Insulation Measurement

Laboratory Tests to Determine the Acoustic Performanc of Road Barriers

Field Measurement

Field Sound Insulation Measurement

Vibration Measurement

Sound Power Measurement

Environmental Monitoring and Audit

Noise Exposure Assessment in Working Places

Acoustics Design with Computer Modelling

Acoustics Design with ODEON Program

Acoustics Design with INSUL Program