SAE ARP4285A PDF
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Aerospace – Evaluation of Particulate Contamination in Hydraulic Fluid – Membrane Procedure
Description
This SAE Aerospace Recommended Practice (ARP) establishes a method for evaluating the particulate matter extracted from the working fluid of a hydraulic system or component using a membrane. The amount of particulate matter deposited on the membrane due to filtering a given quantity of fluid is visually compared against a standard membrane in order to provide an indication of the cleanliness level of the fluid.
History
| ARP4285A | 2025-01-09 | Latest | Reaffirmed |
| ARP4285 | 2008-06-04 | Historical | Reaffirmed |
| ISSUING COMMITTEE | A-6C1 Fluids and Contamination Control Committee |
|---|---|
| DATE | 2025-01-09 |
| DOI | |
| ISCURRENT | Current |
| PAGE | 14 |
| PUBLISHER | SAE International |
| REVISED | REAFFIRMED |
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