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Impact of Changes in Test Dust Contaminants and Particle Counter Calibration on Laboratory Filter Element Performance and Fluid Cleanliness Classes
- Aerospace Standard
Published January 03, 2012 by SAE International in United States
Downloadable datasets availableAnnotation ability available
This SAE Aerospace Information Report (AIR) discusses the impact of the ISO Test Dusts, chosen as replacement contaminants for the Arizona Test Dusts (AC Test Dusts), and the ISO calibration procedure ISO 11171 for automatic particle counters, which replaces the calibration procedure ISO 4402 (1991), on laboratory performance of filter elements utilized in aerospace lubrication, hydraulic and fuel systems, and fluid cleanliness levels determined with automatic particle counters.
This document has been determined to contain basic and stable technology which is not dynamic in nature.
Data Sets - Support Documents
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|TABLE 1||Replacement Contaminants for AC Test Dusts|
|TABLE 2||ISO 4402 and ISO 11171 Particle Sizes|
|TABLE 3||Comparison of Multipass Filtration Ratings|
|TABLE 4||Comparison of Single Pass Filtration Ratings (Theta Ratios)|
|TABLE 5||Proposed Revision to AS4059 (ISO 11218) Standard (Maximum Contamination Limits Based on a 100 ml Sample Size)|
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