BAIJIAN - Third party testing organization
This standard specifies the main contents of the noise limits、 measurement methods、 and test reports for urban rail transit trains. This standard is applicable to the design、 manufacturing、 and inspection of subway and light rail trains in urban rail transit systems. 2 Normative References: The clauses in the following documents become clauses of this standard through reference in this standard. For dated reference documents、 all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However、 parties to agreements based on this standard are encouraged to study whether new versions of these documents can be used. For undated references、 the latest version of * applies to this standard. GB/T 3785 Sound Level Meters - Acoustic Performance and Test Methods GB/T 8170 Rounding off Rules for Application Values GB/T 15173 Sound Calibrators GB/T 17181 Integral Average Sound Level Meters、 Breaking industry limitations and bottlenecks、 creating an innovative testing platform for the industry. If you have any needs、 please contact 18501763637
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific、 fair、 and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsinspection and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered、 meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing、 with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle、 low cost、 and attentive service 7. Possess authoritative qualifications such as CMA、 CNAS、 CAL、 etc 8. The testing report is authoritative and effective、 and is generally used in China