| 摘要 |
A method for evaluating contamination measurement values of solid particle (6) contamination in fluids in a system (1), in particular in hydraulic and/or lubricating fluids, wherein said contamination measurement values being represented by counting, within a volume of said fluid, at least one number of particles (6) having a particle size in at least one predetermined particle size range, said method for evaluating comprising the steps of: comparing said counted number with at least one predetermined threshold value (22, 24, W, A, S) resulting in a present comparison result, reading a previous comparison result corresponding to a previous counted number from a history file, choosing an appropriate control signal to control said system (1), said choice being based on said present comparison result and at least one previous comparison result.
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