Aviation Analysis Program
PQ Index
Ferrous particles larger than 10 microns can be missed from other techniques, such as spectrographic analysis, but easily monitored by PQ Index analysis. It measures ferrous wear debris irrespective of particle size and distribution. It also provides data to monitor the wear of many types of oil lubricated systems such as gearboxes, drive trains (differentials, final drives, etc), engines, etc.
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