Procedure for the Determination of Particulate Contamination in Hydraulic Fluids by the Control Filter Gravimetric Procedure
ARP785B
This ARP describes a gravimetric method for the determination of particulate contaminant in hydraulic fluids by the control filter technique.
NOTE: With this method, detectable contamination levels down to 0.2 mg (7.0 × 10-6 ounces) per sample can be obtained with a standard deviation of ±0.1 mg (±3.5 × 10-6 ounces).
Rationale:
The document has been significantly updated to make it reflect current practices, and two new appendices have been introduced to detail procedures that are referenced in the document.
Related Topics:
Hydraulic fluids
Fluid power systems
Lubricant contamination
Test procedures
Also known as: SAE ARP 785
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