Maretron Submersible Pressure Transducer - 0-1.5 PSISubmersible Pressure Transducer 0 1. 5 PSI The submersible pressure transducers are used together with Maretron's Fluid Pressure Monitor (FPM100), which allows tank fluid level to be broadcast over an NMEA 2000 network where it can be monitored from any compatible NMEA 2000 display. When used together with Maretron displays, alerts can be set to inform the user of low or high tank levels. Users can be notified through emails or text messages about