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Setting Acid Number and Base Number Limits

Setting Acid Number and Base Number Limits There is a rule-of-thumb that oil should be condemned at double its new oil Acid Number, or at half of its new oil Base Number. The problem with this rule is that is has too many exceptions to be valid. Rather than identify the valid instances, it is…
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Setting ISO Cleanliness Targets

Setting ISO Cleanliness Targets Part of a lubrication program involves establishing ISO cleanliness targets, whether for new lubricants, or for in-service machines. The two primary difficulties arise from finding a reputable source and trying to find an exact fit. A seemingly smaller concern, but one with greater ramifications, is defining the difference between a target…
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Understanding Wear Metal Results

  Understanding Wear Metal Results   The ability to interpret the results of oil analysis is vital to guiding significant decisions about preventive maintenance activities. Having someone in your organization who can pick up a report and interpret it in the context of the environment is absolutely essential. This is a skill which can be…
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Lubrication & Oil Analysis Training & Lab Tour

Lubrication & Oil Analysis Training (and Lab Tour) Registration is Now Open! TestOil's training programs are an excellent opportunity to development the skills of all employees involved with reliability or condition monitoring. The benefits can range from filling in gaps of knowledge to simply ensuring a consistent message is heard by all. Employees who receive…
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Understanding Particle Counting Methods

Understanding Particle Counting Methods Particle counting is considered by many to be one of the most important test for used oil analysis. Many problems can be quickly and easily identified by monitoring the number and size-distribution of particles in an oil sample. The ISO Code is the most common unit of reporting the number of…
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