UN-R51
Uniform provisions concerning the approval of motor vehicles having at least four wheels with regard to their noise emissions
UN regulation setting maximum pass-by noise limits for motor vehicles. Defines limit values by vehicle category, test procedures referencing ISO 362, and provisions for additional sound emission provisions (ASEP).
- Document
- UN Regulation No. 51 (Rev. 3)
- URL
- https://unece.org/transport/documents/2021/02/standards/un-regulation-no-51
- Label
- Regulation
- Keywords
- vehicle noise limits pass-by noise type approval ASEP motor vehicles UN regulation
Domain: Acoustics · Regulation