Oil Analysis


Where is Oil Analysis used?



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CM Oil Analysis

Where is Oil Analysis used?

  • Oil analysis works particularly well on:
    • Oil lubricated rolling element bearings
    • Oil lubricated sleeve bearings
    • Gearboxes
    • Engines
    • Turbines
    • Hydraulic Systems
    • Compressors
    • Chillers
  • Any system that uses lubrication and lends itself to drawing and testing samples of that lubrication.

What does Oil Analysis Reveal ?

  • Oil analysis can be broken into three main areas of testing
    • Chemical composition of the oil (including the additives).
    • Presence of contaminants (e.g. water).
    • Particle analysis (wear particles in the oil - primarily metals - a.k.a. ferrography).
  • It is obvious that tests should be performed on oil systems on machines that are operational. But what about incoming and stored oil - are you getting what you should be getting (what you ordered) ?
  • Has the oil been stored properly ?
  • Has moisture or other contaminants gotten in ? Is recycled or reclaimed oil up to the standards it should be ?

Commonly Measured Parameters

  • Viscosity
    • An oil characteristic related to it's resistance to flow.
  • Moisture
    • A contaminant that causes rust, corrosion and oxidation.
  • Acid Number
    • A measure of acidity related both to additive presence and oxidation likelihood.
  • Base Number
    • A measure of alkalinity related both to additive presence and oxidation likelihood.
  • Particle Count
    • Related to component wear, contaminant ingression, corrosion and others.
  • Presence of Various Additives
    • Depletion of these can lead to serious problems.
  • Dielectric Properties
    • Related to the likelihood of impending oxidation.
  • There are numerous other tests that can be performed and specific tests within these general categories.

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