ISO/TR 6409:2023
International Standard
Current Edition
·
Approved on
17 April 2023
·
Road vehicles — Analysis of technical changes of ISO 5011:2020
ISO/TR 6409:2023 Files
null Pages
Current Edition
ISO/TR 6409:2023 Scope
This document analyses the impact of changes to ISO 5011:2020 as regards to the following:
— precleaner efficiency;
— elimination of two secondary element tests (collapse and blocking);
— revisions to the recommended ISO dust injector (Table 1);
— validation of the absolute filter weighing method; and
— inclusion of Annex H, "Penetration sensitivity".
These changes refine the precleaner efficiency calculation, eliminate seldom used tests, which were lengthy or costly, further clarify dust injector use, the validation of the absolute material, and the precision of the efficiency measurement.
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