ISO-4548-12 › Historical Revision Information
Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 12: Filtration efficiency using particle counting, and contaminant retention capacity
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This part of ISO 4548 specifies a multi-pass filtration test with continuous contaminant injection and using the online particle counting method for evaluating the performance of full-flow lubricating oil filters for internal combustion engines.
The test procedure determines the contaminant capacity of a filter, its particulate removal characteristics and differential pressure.
This test is intended for application to filter elements having a rated flow between 4 l/min and 600 l/min and with an efficiency of less than 99 % at a particle size greater than 10 μm.
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Document Number
ISO 4548-12:2000
Revision Level
1ST EDITION
Status
Superseded
Publication Date
Feb. 15, 2000
Committee Number
ISO TC 70/SC 7