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P/N: DSM250-02
NMEA 2000® Multi-function Color Display, Grey

Maretron's DSM250 is a high-resolution sunlight viewable color display that allows easy interpretation of NMEA 2000® instrument and navigation data through custom display configurations, featuring an easy-to-use five-key illuminated keypad.

nmea-2000-logo-productsUnlike traditional single-display units, DSM250 users can choose numeric, gauge, or graph formats in single or multiple displays, with cycling options possible for a wide range of favorite data. These multiple display options conserve mounting space and reduce overall system cost.

The DSM250 will directly connect with any NMEA 2000® network and display any or all information captured throughout the vessel. Various audio and visual alarms are also programmable.

The DSM250 displays a multitude of information including AC power, battery, depth, engine, environment, fuel management, GPS, heading, navigation, rudder, speed, tanks, time, transmission, weather, wind and more.


The DSM250 includes a comprehensive, flexible alert capability. Configure audio and visual alerts on virtually any data that the DSM250 is capable of monitoring. Available alert types include:

  • High Alert
  • Low Alert
  • Inside Radius Alert
  • Data Unavailable Alert
  • On Alert
  • Off Alert
  • Tripped Alert
  • Course Alert
  • GPS Quality Alert
  • Outside Radius Alert
  • Inside Radius Alert
  • Direction Alert
  • Timer Alert

The DSM250 is capable of sharing alert information with other DSM250 units as well as any DSM150 and N2KView installations on the network. An alert defined on any device can be acknowledged on any other device on the network. Following is a screenshot of a shallow water alert:

DSM250 Alert Indications
Once the alert appears, you simply press the "Enter" key twice to see the Alert Status screen, shown here:

DSM250 Alerts Screens

Maretron’s DSM250 is engineered and manufactured to the highest standards (IEC 60945 Maritime Navigation and Radiocommunication Equipment). Its compact waterproof housing will provide years of reliable performance. The DSM250 is available in three different color cases: black, gray, or white.


Part number Description
DSM250-02 High Bright Color Display (Gray Enclosure)
DSM250CVR2PK-02 Package of (2) Gray DSM250 Covers
DSMMNTASSBLY Gimbal Mount for DSM250


Parameter Value Comment
NMEA 2000® Connector DeviceNet Micro-C Industry Standard Waterproof
Display Technology Active Matrix TFT LCD Sunlight Readable
Display Resolution 320 x 240 Pixels QVGA Resolution
Display Viewable Area 117 mm W x 88 mm H 5.7” Diagonal
Display Backlighting LED 3 User-Programmed Levels 0-100%
Keyboard 5 Silicone Rubber Keys LED Backlighting
Languages Supported English, Dutch (Nederlands) User Selectable


Standard Comment
NMEA 2000® Standard Level A
Maritime Navigation and Radiocommunication Equipment & Systems IEC 61162-3
Maritime Navigation and Radiocommunication Equipment & Systems IEC 60945
FCC and CE Mark Electromagnetic Compatibility

Supported Data Display Types

Instrument Type Data Types
AC Power Average Frequency, Average L-N Voltage, Average L-L Voltage, Phase A Frequency, Phase A L-N Voltage, Phase AB L-L Voltage, Phase B Frequency, Phase B L-N Voltage, Phase BC L-L Voltage, Phase C Frequency, Phase C L-N Voltage, Phase CA L-L Voltage
Anchor Watch
DC Current, Voltage, Battery Temperature, Battery State of Charge, Battery Time Remaining, Ripple Voltage, Power Depth Water Depth, Water Below Transducer, Transducer Offset
Electrical Distribution Switch/Breaker, Breaker Current
Engine Monitor Boost Pressure, Hours, Coolant Pressure, Coolant Temp., Exhaust Gas Temp., Fuel Pressure, Fuel Rate, Oil Pressure, Oil Temp., Tachometer, Tilt/Trim, Voltage, Fuel Economy, Fuel Consumption, Percent Load, Percent Torque, Trip Fuel Used
Environment Barometer, Heat Index, Humidity Inside, Humidity Outside, Moon Phase, Sunrise, Sunset, Dew Point, Temp. Engine Room, Temp. Inside, Temp. Main Cabin, Temp. Outside, Temp. Sea, Twilight AM, Twilight PM, Weather, Wind Chill
Fuel Management Distance to Empty, Time to Empty, Total Fuel Capacity, Total Fuel Level, Total Fuel Consumption, Total Trip Fuel Used, Total Fuel Economy, Total Fuel Rate, Total Fuel Remaining
GPS COG, Lat/Lon, SOG, DOP, Satellites, Time, Accuracy
Heading Heading, Rate of Turn, Variation
Humidity Inside, Outside, User Defined
Indicator Status
Navigation BOD, BTW, COG, XTE, DTW, ETA, Lat/Lon, Rolling Road, Set/Drift, SOG, TTG, VMG, Waypoint Number & Name
Pressure/Vacuum Water, Barometric, Compressed Air, Engine Boost, Engine Coolant, Engine Fuel, Engine Oil, Hydraulic Oil, Steam, Transmission Oil, User Defined
Rudder Angle & Order
Speed Through Water, Over Ground, Total Log, Trip Log
Tanks Capacity, Level, Remaining
Temperature Wind Chill, Bait Well, Battery, Engine Coolant, Engine Oil, Engine Room, Exhaust Gas, Freezer, Heat Index, Heating System, Inside, Live Well, Main Cabin, Outside, Refrigeration, Sea, Transmission Oil, User Defined
Time Local Date, UTC Date, Moon Phase, Sunrise, Sunset, Local Time, UTC Time, Twilight AM, Twilight PM
Transmission Gear, Oil Pressure, Oil Temperature
Vessel Pitch, Roll, Trim Tabs, Keel
Watermaker Sea Recovery Status Display
Wind Apparent Direction and Speed, True Direction and Speed, Ground Direction and Speed


Parameter Value Comment
Operating Voltage 8 to 32 Volts DC Voltage
Power Consumption (Maximum) < 650 mA Low Supply, Full Brightness
Nominal Supply, Low Brightness
Load Equivalence Number (LEN) 13 NMEA 2000® Spec. (1LEN = 50 mA)
Reverse Battery Protection Yes Indefinitely
Load Dump Protection Yes Energy Rated per SAE J1113


Parameter Value
Size 6.875” x 5.75” x 1.75” (174.6mm x 146mm x 44.5mm), Including Flanges for Mounting
Weight 26 Oz. (737g)
Mounting Surface or Flush Mount


Parameter Value
IEC 60945 Classification Exposed
Degree of Protection IP67
Operating Temperature -20°C to 70°C
Storage Temperature -30°C to 80°C
Relative Humidity 93%RH @40° per IEC60945-8.2
Vibration 2-13.2Hz @ ±1mm, 13.2-100Hz @ 7m/s2 per IEC 60945-8.7
Rain and Spray 12.5mm Nozzle @ 100liters/min from 3m for 30min per IEC 60945-8.8
Solar Radiation Ultraviolet B, A, Visible, and Infrared per IEC 60945-8.10
Corrosion (Salt Mist) 4 times 7 days @ 40°C, 95%RH after 2 hour Salt Spray Per IEC 60945-8.12
Electromagnetic Emission Conducted and Radiated Emission per IEC60945-9
Electromagnetic Immunity Conducted, Radiated, Supply, and ESD per IEC 60945-10
Safety Precautions Dangerous Voltage, Electromagnetic Radio Frequency per IEC 60945-12


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Marinplus AB/Odelco AB
Missionsvägen 77
SE-167 33 BROMMA


+46 8 718 03 00


Marinplus AB has merged with Odelco AB, thereby becoming the first and only distributor that can offer a complete range of products and solutions for power supply, modern electrical systems, rescue and security systems.


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