Reference number
ISO/TR 22681:2019
© ISO 2025
Technical Report
ISO/TR 22681:2019
Hydraulic fluid power — Impact and use of ISO 11171:2016 µm(b) and µm(c) particle size designations on particle count and filter test data
Edition 1
2019-09
Technical Report
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Published (Edition 1, 2019)

ISO/TR 22681:2019

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Format
CHF 65
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Abstract

This document explains the use of the two acceptable methods of reporting particle size, µm(c) and µm(b), that are defined in ISO 11171:2016. It also explains the reasons for the existence of two alternative size reporting methods and its implications with respect to particle count and filter Beta Ratio data.

General information

  • Status
     : Published
    Publication date
     : 2019-09
    Stage
    : International Standard published [60.60]
  • Edition
     : 1
    Number of pages
     : 8
  • Technical Committee :
    ISO/TC 131/SC 6
    ICS :
    23.100.60 
  • RSS updates

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