QC/T 1233-2025Wind buffeting measurement method for motor vehicle (English PDF)
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
December 17, 2025
Implementation date
July 1, 2026
Scope
QC/T 1233-2025 (Wind buffeting measurement method for motor vehicle) is available as an English-translated PDF.
QC/T 1233-2025 — This standard specifies the measurement methods for wind vibration noise inside automobiles when windows are open, including road measurement and acoustic wind tunnel measurement methods.
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Document preview — QC/T 1233-2025
National Standard of the People's Republic of China
- ICS
- 43.020
- Classification
- T 40
Issued by: Ministry of Industry and Information Technology
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the measurement methods for wind vibration noise inside automobiles when windows are open, including road measurement and acoustic wind tunnel measurement methods. The road measurement method in this standard applies to Category M and N vehicles, and the acoustic wind tunnel measurement method applies to Category N1 vehicles and Category M1 and M2 vehicles weighing less than 3500 kg.
Document data
International classification (ICS): 43.020.
Chinese classification (CCS): T40.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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QC/T 1233-2025
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