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Thanks to Beijing Public Utilities Science Research Institute for purchasing our semi-anechoic chamber project.

DATE: 2025-01-08 11:38:17

Overview: Beijing Public Utilities Science Research Institute (hereinafter referred to as the Research Institute) was established in September 1978. It is a public welfare municipal scientific research institution with independent legal person qualifications and is administratively affiliated with Beijing Beiran Industrial Co., Ltd. It conducts research on water, gas and heat technologies and product inspections to promote scientific and technological development. It provides technical services and consulting services for the research of water, gas and heat equipment, instruments and automatic control technologies, develops products, conducts pilot tests and marketing, and conducts quality inspections of gas and its appliances as well as quality inspections of water, gas and heat projects, equipment and materials.

The semi-anechoic chamber is not only a special laboratory for acoustic testing but also an important part of the testing system. In fact, it is also one of the acoustic testing equipments, and its acoustic performance indicators directly affect the testing accuracy. For simple introductions to the specific acoustic design, manufacturing, construction, installation, and on-site actual measurement and acceptance of anechoic chambers, silent chambers, etc., please pay attention to browsing the project cases on our official website, or scan the QR code of our WeChat public service account for free push. For detailed materials of anechoic chambers, silent chambers, etc., please go to the download center on our official website for free download.

I. Procurement Content

Semi-anechoic chamber
II. Basis Standards
GB/T 6882 “Acoustics - Determination of Sound Power Level of Noise Sources - Precision Method for Anechoic Chambers and Full Anechoic Chambers”;
ISO 3745 “Acoustics - Determination of Sound Power Level of Noise Sources - Precision Method for Anechoic Chambers and Full Anechoic Chambers”;
III. Main Indicators and Project Contents
Satisfy the indoor background noise value Lgn(A), dimensions and other relevant details agreed upon by both parties.

For more specific content, welcome to call for consultation, or scan the QR code below to get more updates of our company.