... specifically for oil pollution particle levels in the test instrument. YKJ-A automatic oil particle counter ... hydraulic oil, lubricating oil, transformer oil (insulating oil), turbine oil (turbine oil), gear oil, engine oil, aviation kerosene, water-based hydraulic oil, oil ... )5. Repeatability: RSD <2%6. medium: hydraulic oil, fuel oil, transparent liquid7. Viscosity range: 350cSt8. sample volume: ...