A. Equipment name: Filter filtration efficiency and dust holding capacity test stand (Multi-channel particle counting method)

B. According to the standard:

GB/T 18853-2015 Hydraulic fluid power filters-Multi-pass method for evaluating filtration performance of a filter element

ISO 16889-2008 Hydraulic fluid power filters-Multi-pass method for evaluating filtration performance of a filter element

ISO 4548-12:2000  Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 12: Filtration efficiency using particle counting, and contaminant retention capacity

ISO/DIS 19438-2004 Diesel fuel and petrol filters for internal combustion engines - Filtration efficiency using particle counting and contaminant retention capacity

GB/T 8243.12-2007 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 12: Filtration efficiency using particle counting, and contaminant retention capacity

C. Test parts: Engine oil filter, fuel oil filter and liquid filter material

D. Test items: Determination of filtration efficiency, dust holding capacity and flow pressure drop characteristics by particle counting method