SW420R Complete Solution for Measurement of Sound Absorption of Pavements according to ISO 13472-2 Standard

    · ISO13472-2

BSWA Company Introduction

Established in 1998, BSWA Technology Co., Ltd. is becoming the preferred supplier for acoustical measurements. With headquarter located in Beijing, BSWA currently employs 100 staffs with branch offices in Shanghai, Guangzhou, and Chengdu. BSWA’s products are distributed in over 40 countries through our sales partners.

BSWA Products cover a full range of acoustic measurement devices. The products are sorted into easy-to-follow sections:

    · Microphones
    · Sound level meter
    · Measuring systems
    · Material testing
    · Audio testing
    · Outdoor monitoring systems
    · Sound sources
    · Cable and accessories
 
BSWA Impedance Tube System for Pavements Absorption Testing

 SW420R New！ 

    · Specially designed for measurement of sound absorption
    · Properties of road surfaces.
    · Integrated design, portable and stable.
    · Selected sealing material, reducing the leak of sound signal.

Recommended matching product:
    · Power amplifier: PA50
    · DA: MC3522
    · Software: VA-Lab IMP
 
Overview

ISO 13472-2: 2010 specifies a test method for measuring in situ the sound absorption coefficient of road surfaces with impedance tube. This method enables evaluation of sound absorption characteristics without damaging the surface. SW420R is designed according to ISO 134722, and the performancesatisfies the requirement of ISO 13472. The test results can be used to qualify the absorption characteristics of road surface for vehicle, tyre testing and other traffic noise studies. However, the field of application is limited to low absorption surfaces, such as those in accordance with ISO 18044. The method is not reliable if the measured sound absorption coefficient exceeds 0.15.
The use of SW420R is the same as description in ISO 10534, VA-Lab IMP module can be used with SW420R.

Specifications:

Typical configuration

BSWA Technology Co. Ltd.

Unit 1003, North Ring Center, #18 Yumin Road, Xicheng District, Beijing 1000029, China

Tel：86(0)10-51285118

Email: liuwei@bswa.com.cn

Web: www.bswa-tech.com