Hydraulic fluid power -- Determination of the particulate contamination level of a liquid sample by automatic particle counting using the light-extinction principle— 36 стр.
BS ISO 21018-4. Hydraulic fluid power. Monitoring the level of particulate contamination in the fluid. Part 4. Use of the light extinction technique. Part 4: Use of the light extinction technique— 19 стр.
BS ISO 5884. Aerospace series. Fluid systems and components. Methods for system sampling and measuring the solid particle contamination of hydraulic fluids— 20 стр.