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ISO/TR 6409:2023

Road vehicles — Analysis of technical changes of ISO 5011:2020

Apr 17, 2023

General information

60.60     Apr 17, 2023

ISO

ISO/TC 22/SC 34

Technical Report

43.060.20  

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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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PUBLISHED
ISO/TR 6409:2023
60.60 Standard published
Apr 17, 2023