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Water
Content
Calculator
Interpret water content in hydraulic fluid and determine acceptable limits by ppm or Karl Fischer
Input Parameters
Water Content (ppm)
Fluid Type
Mineral Oil
Synthetic (PAO)
Ester-Based
Fluid Temperature (°F)
Component Sensitivity
Low (gear pump)
Medium (vane pump)
High (piston pump/servo)
Calculate
Results
--
Saturation Point
ppm
--
Relative Saturation
%
--
Water Status
--
Recommended Action
Reference
Mineral oil saturation: ~200 ppm at 68°F Target: <100 ppm for piston pumps, <300 for vane Karl Fischer test: ASTM D6304 for accurate measurement