What makes electronic (capacitance-type) fuel quantity indicating systems more accurate?

The accuracy of electronic (capacitance-type) fuel quantity indicating systems is primarily due to their ability to measure the mass of the fuel rather than just the volume. This distinction is crucial because the mass of fuel is constant, while its volume can vary with changes in temperature and pressure. By focusing on mass, these systems can provide a more reliable representation of the actual amount of fuel available, regardless of environmental factors that might affect volume measurements.

When considering how other functions contribute to the overall performance and reliability of the system, aspects like temperature assessment, fuel pressure monitoring, or the utilization of advanced electronics do play roles in the operation of fuel systems. However, they do not directly address the fundamental accuracy associated with how fuel quantity is measured. Volume can expand or contract with temperature changes, leading to measurement inaccuracies if only volumetric data were used. Thus, measuring mass enables a consistent and precise understanding of fuel levels, making capacitance-type systems more accurate overall.