level indicator / for boats / analog / for tanks
4291 Offshore Systems



  • Application domain:

    for boats

  • Type:


  • Display:


  • Applications:

    for tanks

  • Other characteristics:

    LED, NMEA 2000®


Convert 4 – 20mA tank level input to remaining level percentage with ± 1% full scale deflection
Heartbeat blue LED confirming NMEA transmission
Faulty sensor/connection detection (under or over current)
NMEA2000 micro C interface plug
Panel mounting

The Offshore System’s NMEA2000® part number 4291 4–20mA Tank Level Adaptor is designed to monitor any 4–20mA level sensor including Fuel, Fresh Water, Waste Water, Live Well, Oil & Black Water senders on the NMEA2000® network. The Tank Sender Adaptor is water resistant but NOT waterproof. It is designed to be located in a dry and protected location. The unit is connected to the NMEA2000® network by the 5 way micro C plug on the front.