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| Document Title | UN R51: Proposal for Supplement 7 to 03 series of amendments | ||||||||
| Reference Number | GRBP/2021/22 | ||||||||
| Date |
1 Jul 2021
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| Summary | Proposal from the Noise Measurement Uncertainties informal group to to reduce variability of measurements. | ||||||||
| Rulemaking Area(s) | UN R51 Vehicle Noise | ||||||||
| Proposal Status | Superseded | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| WP.29/2022/4 | UN R51: Proposal for Supplement 7 to 03 series of amendments | ||||||||
| WP.29/2022/84 | UN R51: Proposal for Supplement 7 to 03 series of amendments (adopted) | ||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| Excerpts from session reports related to this document | |||||||||
| GRBP | Session 74 | 15-17 Sep 2021 |
5. The expert from IWG MU presented a proposal which reduces measurement uncertainties for the ambient conditions, vehicle selections and preparations (ECE/TRANS/WP.29/GRBP/2021/22). GRBP adopted the proposal, subject to the following correction of paragraph 2.1.3.2.2. of Annex 3: “Tests carried out on request of the manufacturer at air temperatures below 5° C shall be accepted as well”. GRBP requested the secretariat to submit it for consideration and vote at the March 2022 sessions of WP.29 and AC.1 as draft Supplement 7 to 03 series of amendments to UN Regulation No. 51. |
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