Condition monitoring pass/fail for Total Acid Number (TAN) and water content against typical marine system-oil limits.
Formula
$$ TAN \leq 3.0, \quad \text{water} \leq 0.2\% $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $TAN$ | Total Acid Number | mg KOH/g | ASTM D664 |
| $Water$ | Free + emulsified water | % v/v | ISO 3733 / Karl-Fischer |
Sources
- CIMAC WG8 Lubrication Guidelines.