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Oil Analysis Without Particle Counting?
Damien O'Sullivan, Field Technician, Techenomics
International
I'm no genius when it comes to oil analysis but the lab manager
is in the wrong here. By choosing to discontinue the use of the
particle counter he is reducing the chances of predicting failure.
As the particle counter picks up all particles where as a spectroscope
will only pick up particles 5 micron and under.
Say if a hydraulic compartment loses some teeth in one of the
oil pumps and particles are larger than 5 micron, the spectro
wouldn't pick up the failure until the particles were small enough
for it to read. If a sample was taken after the failure or just
before and particle counting was used, the compartment would be
justifiably reportable allot earlier than possible with just using
the spectro or PQ-90.
See other responses
to this Readers Challenge.
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