Aerospace - Evaluation of Particulate Contamination in Hydraulic Fluid - Membrane Procedure

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.Cross Reference: ARP5376,ARP598,AS1241,AS4059,AS8775,FED-STD-209,ISO11500,MIL-F-8815,MIL-H-5606,MIL-PRF-6083,MIL-PRF-680,MIL-PRF-83282,MIL-PRF-87257