Used oil analysis · tbn-tan-crossover
TBN/TAN Crossover
Context indicator for TBN/TAN convergence; methods must be comparable.
Where to use
Context indicator for TBN/TAN convergence; methods must be comparable.
Methodology
Normalizes submitted data, calculates derived indicators and applies transparent warning rules.
Standards context
Console version
TbnTanCrossover.exe input.csv output.json
CSV header: tbn,tan
Limitations
This screening result does not replace manufacturer requirements, an accredited laboratory report or engineering diagnostics. Limits must be configured for the engine, lubricant, method and asset history.