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Category Archives: Did You Know?

Lab Analysis of Used Oil v. Visual Inspection

Is visual inspection of industrial fluid enough? TestOil Data/Field Analyst Dwon Ruffin CLS doesn’t think so. “There are some issues that will be obvious by looking at the oil, such as water contamination, large particles and separation into layers,” he explains. “Other than that, there is not a whole lot you can learn by visual…
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What does AN/Acid Number Measure?

Are you 100% sure you know what AN (acid number) measures and what it reveals? Actually A LOT of things! According to Monika Malcolm, Analytical Services Manager for TestOil, “Acid number is measuring acidic components in the oil sample. These can include degradation products such as organic acids, esters, and salts as well as contaminants…
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Oil Analysis Alarming Limits v. Trending Limits

CLEVELAND Dec.  28, 2020-- TestOil, the industry leader in lubricant analysis, is one of the major oil analysis labs to use trend analysis in addition to static alarm limits. Static alarm limits (also called absolute limits) are a single unchanging number, while trending (also called linear regression) is a statistical analysis.            Absolute limits can be set…
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Avoid Costly Shutdowns Utilizing Historical Info in Oil Analysis

Avoid Costly Shutdowns Utilizing Historical Info in Oil Analysis https://youtu.be/9ci40fcggTk History isn't everyone's favorite subject, but just like in society, it is important to know the history of your equipment so that you can determine why an issue has surfaced and how to properly fix it. Why is it So Important to Keep All of…
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According to TestOil Field/Data Analyst Matt McMahon, there are many reasons that new oil doesn’t arrive clean, much of it depends on where the contamination occurred—usually during transportation or while in storage. “There are many sources for contamination ingress,” Matt explained. “It could be anything from corrosion in tanks or drums to a core contamination…
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Aftermarket Additives and Oil Analysis

There is a lot that goes into lubricant formulation. It’s a complex process that requires years of expertise. The base oils and additives that comprise each product are carefully balanced to provide excellent performance in specified applications. TestOil Field/Data Analyst Matt McMahon explains, “People occasionally try to compensate for depleted additives by adding aftermarket products…
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