... national and international standards developed specifically for oil pollution particle levels in the test ... 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 ...