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Remaining Useful Life Evaluation Routine
PostedJuly 15, 2025
UpdatedJuly 21, 2025
ByFluid Life
Learn how the Remaining Useful Life Evaluation Routine (RULER) test can be used to monitor the remaining useful life of your lubricants.
The RULER identifies the type of antioxidants in the oil by comparing the sample results to a new oil reference sample. A new oil reference is required for analyses.
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Additional Resources
Blog: RULER: For extending drainage intervals
Article: Remaining Useful Life Evaluation Routine
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