International Organization for Standardization (ISO)
Latest
ISO 3722:1976
Scope
Specifies a method, and establishes a means for ensuring that the accuracy of particulate contamination analyses in hydraulic systems is not degraded by a lack of sample container cleanliness. Gives definitions and tabulates the inspection ratios together with the AQQL values of concern.
ISO 3722:1976 history
1976ISO 3722:1976 Hydraulic fluid power; Fluid sample containers; Qualifying and controlling cleaning methods