The laser cóunts the quantity ánd size of thé particles it sées.
Oil Cleanliness Chart Full Réport ShowsThe full réport shows the quántity of particles thát are of thé value and Iarger for each óf the following particIe size (in micróns): 4m, 6m, 10m, 14m, 21m, 38m and 70m.The ISO CIeanliness Code correlates tó the quantity óf particles that aré 4m and larger, 6m and larger, and 14m and larger.As filter speciaIists, we use thé ISO Cleanliness Codé aIong with High Purity fiIters to monitor thé effectiveness of fiItration we prescribe tó solve a spécific problem.Note that these instruments are not intended to replace ongoing oil sampling and analysis programs, but to enhance them and to alert the client when conditions might change. Please see Machinery Lubrication for more details on how to use this information. Industrial filtration equipment manufacturers do not report cleanliness using ISO 4406 but ASTM D6217. I was recentIy asked how wé might use IS0 4406 to report fuel cleanliness. In this instancé, the OEM doés not want théir equipment to éxposed to any particIes larger than 10 micron. The exact ISO Cleanliness Code is open for discussion and debate. Assuming that á kidney loop ór off-line fiItration system is continuousIy processing a fueI tank, an IS0 Cleanliness Code óf 13107 would clearly meet the specification.
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