SAE ARP4285A-2018
Aerospace - Evaluation of Particulate Contamination in Hydraulic Fluid - Membrane Procedure

Standard No.

SAE ARP4285A-2018

Release Date

2018

Published By

SAE - SAE International

Latest

SAE ARP4285A-2018

Scope

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.

SAE ARP4285A-2018 history

• 2018 SAE ARP4285A-2018 Aerospace - Evaluation of Particulate Contamination in Hydraulic Fluid - Membrane Procedure
• 2008 SAE ARP4285-2008 Aerospace - Evaluation of Particulate Contamination in Hydraulic Fluid - Membrane Procedure
• 2001 SAE ARP4285-2001 Aerospace - Evaluation of Particulate Contamination in Hydraulic Fluid - Membrane Procedure