Table of ContentsFormula for Span value calculationFormula for LRV estimationFormula for URV estimationDP calculator  A differential pressure (DP) transmitter can be used to measure the interface level in a tank with two bubble tubes. The transmitter measures the difference in pressure between the liquid levels in each of the bubble tubes, which is proportional to … Continue reading DP calculator for Interface level measurement – Transmitter installed with Varying Tank Level and two Bubble Tubes