Maretron FPM100 Fluid Pressure Monitor [FPM100-01]Fluid Pressure Monitor Maretron's Fluid Pressure Monitor is used to adapt up to six pressure transducers to the NMEA 2000 network (pressure transducers sold separately). This allows you to observe fluid pressures and tank levels anywhere on the vessel where there are NMEA 2000 compatible displays. With the appropriate transducer, the FPM100 reports either pressure or vacuum for a variety of applications including water pressures, oil pressures,