The P9B multi-gas/multi-range, metal sealed, Mass Flow Meter (MFM) uses the latest in electronics enabling it to meet the most critical of process gas flow measurement requirements. The P9B Mass Flow Meter has an integrated Baratron® Capacitance Manometer, 0-100 psia Full Scale, pressure transducer that allows the user to measure and monitor line pressure. The pressure can be observed via the multi-directional LED display located on the top of the MFM.