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Updated: July 8th, 2008 05:26 PM EDT

What is Your Fluid Telling You?

Learn how to use fluid analysis reports to spot potential problems

oil sample
Physical characteristics can identify gross contamination in a fluid sample. For example, significant water contamination is visible in this emulsified oil sample.
senior lab technician at POLARIS
A senior lab technician at POLARIS Laboratories starts a titrator used for testing TBN, a measure of a lubricant's ability to neutralize acid.
lab technician initiates testing of an oil sample's TAN (acid number) via titration
The lab technician initiates testing of an oil sample's TAN (acid number) via titration. As oil degrades, the acid number will increase as a result of oxidation, water, fuel or other contaminants.

By Kim Berndtson
Associate Editor

"Don't be intimidated by the reports," encourages Jason Papacek, data analysis manager, POLARIS Laboratories. "There's a lot of guidance in them. And don't be afraid to work with the lab and your lubricants supplier to get the best information so you can make the best decisions."

Capture fluid performance

Most reports are boiled down to a one-page analysis that captures the performance of the fluid and the status of its host unit. And to allow faster, easier access to information, many lubricant suppliers and independent labs are making the reports available through online programs.

"Electronic data management allows you to organize the data more efficiently," says Mark Betner, heavy-duty lubricants manager at Citgo Petroleum. "It also gives you features you don't necessarily have with paper communications."

For example, there are features within computerized oil analysis programs that allow you to summarize data and compare it from one time period to another. They can also help to summarize histories of individual units, which can be combined with maintenance records to enhance resale value.

Whether you get reports on paper or via e-mail, start by reading the recommendations/comments and identifying any areas that need immediate attention. (See sample report at left for areas to focus on.) If you are part of an online program, many labs will also send e-mail notification of abnormal or critical issues, enabling you to act more quickly.

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