Aperture analyzer
Meet the standard:
1. IS02942-2004 Hydraulic transmission - Filter element - Verification of structural integrity and determination of initial bubbling point
2, GB/T14041.1-2007 hydraulic filter element Part 1: Structural integrity verification and initial bubbling point determination
3, IS04003-1990 permeable sintered metal material bubble test determination of void size
4, GB/T5249-2013 permeable sintered metal material bubble test aperture determination
5, JB/T5089.3 internal combustion engine paper filter oil filter Part III test method
Test items:
1, structural integrity （filter material damage, processing damage, filter core joint and end cap bonding defects）
2, the pressure value of the first bubble point and the maximum aperture value
3. Group bubble point pressure value and average aperture value
4, filtration accuracy value （ex≥20 corresponding reference value）
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