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Custody transfer measurement of LNG is traditionally based on tank-level readings, but in recent years dynamic measurement using flow meters has rapidly gained popularity. In conjunction, quality readings are typically based on a lab analysis of a representative sample obtained by an automated system that regularly extracts a small amount of LNG during the loading process. The sample canister is then transported to a laboratory for analysis.

Thermal dispersion excels as a no-moving-parts, no-routine-maintenance, highly reliable technology. In flow metering, thermal dispersion’s application strengths include air/gas flow, wide turndown, direct mass flow measuring, and wide temperature and pressure service compatibility.