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Category Archives: Data Interpretation

Learn All the Basics of Oil Analysis: TestOil Offers Comprehensive Class

Virtual Comprehensive Oil Analysis March 9 - March 11 10AM-5PM EST Just getting started in oil analysis? Need to update your skills or just round out your knowledge?  Sign up for TestOil’s comprehensive online 3-day class, March 9-11, covering Lubrication Fundamentals and Oil Analysis. The training is invaluable for maintenance staff at all levels—especially PdM…
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Oil Analysis Services for Industries

At TestOil, we want to provide the best service possible for our customers, and that includes offering advice and training on how to interpret the data reports that they receive on their oil samples.

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Technical Bulletin: Varnish Report Updates

Varnish Potential Analysis - Report Upgrades In order to provide the best analysis and recommendations of varnish test results, TestOil will be making some changes to reporting and alarming of several varnish test parameters. Ultra Centrifuge: After reviewing many case studies, TestOil analysts have determined that there are instances when ultra centrifuge results as low…
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Why Aren’t My Oil Analysis Results Correlating?

Why Aren't My Oil Analysis Results Correlating? A common issue related to oil analysis report interpretation deals with a perceived necessity for the results from two or more different tests to indicate the same potential problem. This expectation, which may be based on a misconception, often leads to greater confusion. Therefore, it is important to…
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Understanding ISO Codes

Understanding ISO Codes Though particle counting is reported as an actual count of the number of particles (of a given size, per ml of fluid), most specifications and limits simply refer to ISO codes. The ISO codes, according to the ISO 4406:1999 standard, relate to only three different ranges of particles, ≥4 µm/≥6 µm/≥14 µm.…
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Causes of High Nitration

Causes of High Nitration Excessive aeration can lead to compression combustion of air molecules (microdieseling) causing thermal breakdown of oil molecules, which will increase the nitration value. In engine applications, early combustion caused by advanced timing will produce nitration by-products. These by-products form a slimy brown or reddish-brown residue. For specific information on other measured…
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