感谢上海哈克过滤科技股份有限公司向我司采购半消声室项目

--暨哈克过滤（东南亚）私人有限公司半消声室项目（马来西亚）

Thank you to Hawk Filtration Technology(Shanghai)Co.,Ltd. for purchasing the Semi-Anechoic Chamber project from our company

--namely,the Semi-Anechoic Chamber project of Hawk Filtration (SEA) Sdn Bhd (Malaysia)

上海哈克过滤科技股份有限公司成立于2002年，是一家专注于空气过滤器及相关产品研发、生产和销售的高新技术企业。公司拥有51项国家专利，并通过ISO9001、IATF16949及ISO14001认证。其产品广泛应用于空气净化、汽车空调及工业过滤等领域，客户覆盖国内外知名品牌。哈克科技在马来西亚设立了分支机构Hawk Filtration(SEA)Sdn Bhd，进一步拓展了其在东南亚市场的业务，提供空气、气体和液体过滤解决方案，助力全球市场布局。哈克科技以“让生活更美好”为愿景，致力于成为全球过滤行业的标杆企业，为环境保护和人类健康贡献力量。

Hawk Filtration Technology (Shanghai) Co., Ltd. was established in 2002 and is a high-tech enterprise specializing in the research, development, production, and sales of air filters and related products. The company holds 51 national patents and has obtained certifications for ISO9001, IATF16949, and ISO14001. Its products are widely used in air purification, automotive air conditioning, and industrial filtration, with customers covering well-known domestic and international brands.Hawk Filtration Technology has established a branch in Malaysia, Hawk Filtration (SEA) Sdn Bhd, to further expand its business in the Southeast Asian market. This branch provides solutions for air, gas, and liquid filtration, supporting the global market layout. With the vision of “making life better,” Hawk Filtration Technology is committed to becoming a benchmark enterprise in the global filtration industry and contributing to environmental protection and human health.

广州丹品人工环境技术有限公司是由一批国内外多年从事各类声学技术研究、具有丰富理论和实践经验的声学专家和专业工程师团队组成，拥有自己的写字楼和工厂，工厂内建有符合CNAS标准的声学实验室，可以监控自己产品的声学技术指标及对外进行声学测试服务。通过丹品团队的艰苦奋斗和持续不断的创新与发展，其设计、生产、安装的声学实验室具有技术指标精准、绿色环保、质量耐用、外观漂亮、科技含量高的产品。广州丹品的关联公司广州丹测声学技术研究有限公司是专业从事声学测试仪器研发的高科技公司，丹品的声学环境可以和丹测的测试仪器进行完美的无缝配合，因此可以提供声学实验室完整的解决方案。

Guangzhou DP Anechoic T&E Co.,Ltd.is composed of a group of domestic and foreign acoustic experts and professional engineers who have been engaged in various acoustic technology research for many years and have rich theoretical and practical experience. It has its own office buildings and factories, and the factory has acoustic laboratories in line with CNAS standards, which can monitor the acoustic technical indicators of its own products and carry out acoustic testing services. Through the hard work and continuous innovation and development of Danpin team, the acoustics laboratory designed, produced and installed by Danpin has products with accurate technical indicators, green environmental protection, durable quality, beautiful appearance and high scientific and technological content.GZ DC Acoustic Technology Research Co., Ltd., an affiliated company of GZ DP, is a high - tech company specialized in the research and development of acoustic testing instruments. The acoustic environment provided by DP can be perfectly and seamlessly integrated with the testing instruments of DC. Therefore, it can offer a complete solution for acoustic laboratories.

半消声室不仅是声学测试的一个特殊实验室，而且是测试系统的重要组成部分，实际上它也是声学测试设备之一，其声学性能指标直接影响测试的精度。噪声与振动分析仪是一款基于多功能数据采集(DAQ)模块量身设计的可进行高精度噪声与振动的测量采集分析的仪器，为工程技术、质量监督管理人员提供更为详实的产品质量检测数据操作更加简便，也为产品的研发设计、生产工艺、质量控制提出指导性意见。具体声学设计、制造施工安装及现场实测验收简单介绍等后续资料请留意浏览本公司的官方网站中的工程案例，或扫描本公司微信公众服务号二维码得到免费推送，详细资料则请到本公司的官方网站中的下载中心免费下载。

Semi-anechoic chamber is not only a special laboratory for acoustic testing, but also an important part of the test system, in fact, it is also one of the acoustic testing equipment, and its acoustic performance indicators directly affect the accuracy of the test.The Noise and Vibration Analyzer is an instrument specifically designed based on a multi - functional data acquisition (DAQ) module. It can measure, collect, and analyze noise and vibration with high precision. It provides more detailed product quality inspection data for engineering technicians and quality supervision managers. The operation is simpler, and it also offers guiding suggestions for product research and development design, production technology, and quality control. For follow-up information such as specific acoustic design, manufacturing, construction and installation, and brief introduction of site measurement and acceptance, please pay attention to visit the project case on the official website, or scan the QR code of the wechat public service number to get a free push, and for detailed information, please go to the download center of the official website for free download.

关键词：声学实验室;消声室；半消声室/半消音室；全消声室/全消音室；精密级消声室；精密级半消声室；精密级全消声室 ;隔音室(隔声室、隔音房、静音房)；隔音箱/隔声箱；混响室；试听室(聆听室、听音室)；无响室(无音室)；静音室(防音室)；噪声室(噪音室)；空气声隔声实验室；楼板撞击声隔声实验室；汽车NVH实验室；声学测量仪器；振动测量仪器；半消声室方案；声学测试设备；消声室厂家；声学工程；声学研究所；半消声室设计；全消声室设计；在线隔声室。

Acoustic Laboratory , Acoustic room;Anechoic chamber，Anechoic room；Semi-anechoic chamber，Semi-anechoic room；Hemi-anechoic chamber，Hemi-anechoic room；Fully anechoic chamber，Fully anechoic room；Professional anechoic chamber；Professional semi-anechoic chamber ,Professional hemi-anechoic chamber；Professional full anechoic chamber ;soundproof room (sound insulation room, soundproof chamber, silent room)；Sound insulation box； reverberation chamber；Listening room (listening chamber, sound listening room)；Anechoic room (noiseless room)；Silent room (soundproof room)，Noise-proof room；Noise room (noise chamber)，Noise generation room；Airborne sound insulation laboratory；Floor impact sound insulation laboratory；Automotive NVH laboratory；acoustic measuring instruments；vibration measuring instruments；Semi-anechoic chamber plan / Scheme for semi-anechoic chamber；Acoustic Testing Equipment，Acoustic Test Devices；Anechoic chamber manufacturers；Acoustic Engineering，Acoustical Engineering；Institute of Acoustics；Semi-anechoic chamber design；Full anechoic chamber design；Online sound insulation chamber，Online acoustic isolation chamber.

一、采购内容Procurement content

(1)半消声室semi-anechoic chamber ;

(2)十通道噪声与振动分析系统10-channel noise and vibration analysis system NI-DC PULSE

二、依据标准According to the standard

(1)GB/T6882《声学 噪声源声功率级的测定消声室和全消声室精密法》

(1)GB/T 6882 "Acoustic noise source sound power level determination anechoic chamber and full anechoic chamber precision method"

(2)ISO3745《声学噪声源声功率级的测定-消声室和全消声室的精密测定法》

(2)ISO3745 "Acoustics - Determination of sound power level of noise source -Precision determination method of anechoic chamber and total anechoic chamber"

(3)IEC 60704-1 《家用和类似用途的电气器具—空气中辐射噪声测定试验方法-第1部分：一般要求》

(3)IEC 60704-1Household and similar electrical appliances—Methods for measuring airborne acoustic noise—Part 1:General requirements

(4)IEC 60704-2 《家用及类似用途电器 空气噪声测定试验规范》

(4)IEC 60704-2Household and similar electrical appliances—Acoustic noise test code

(5)GB/T 18801-2015《空气净化器》

(5)GB/T 18801-2015Air Purifier

(6)GB/T 4214.1-2017《家用和类似用途电器噪声测试方法通用要求》

(6)GB/T 4214.1-2017General requirements for noise testing methods of household and similar electrical appliances

三、主要指标及项目内容Main indicators and project contents

1、在无外界异常干扰的情况下(环境无强振动的低频噪声源)，当外部环境噪声Len(A)≤65dB(A)，且无打桩、冲击声及液压叉车来往等别的异常干扰时，本底噪音Lgn(A)≤25dB(A).

1、In the absence of external abnormal disturbances(i.e.,no strong vibration or low-frequency noise sources in the environment),the background noise level Lgn(A)≤25 dB(A)when the ambient noise level Len(A)≤65 dB(A)and there are no other abnormal interferences such as pile driving,impact sounds,or the movement of hydraulic forklifts.

2、截止频率:Fc≤100Hz。

2、Cut-off frequency: Fc≤100Hz.

(半消声室示意图)

(Schematic diagram of the semi-anechoic chamber)

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