International Organization for Standardization (ISO)
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ISO 12584:2013
Scope
This International Standard defines the method of reporting and communicating the contamination (or cleanliness) level of components used in aerospace fluid systems.
It also presents a coding system which allows cleanliness data to be reported, both in a shortened manner and in a complete manner, when communicating for reporting contamination level measurement results and for specifying cleanliness requirements.
ISO 12584:2013 Referenced Document
ISO 11171 Hydraulic fluid power — Calibration of automatic particle counters for liquids*, 2022-03-18 Update
ISO 18413 Hydraulic fluid power - Cleanliness of components - Inspection document and principles related to contaminant extraction and analysis, and data reporting*, 2015-03-01 Update
ISO 12584:2013 history
2013ISO 12584:2013 Aerospace.Hydraulic fluid components.Expression of particulate contamination levels