Defender Home Page
Phone: 800-628-8225 Fax: 800-654-1616 Int'l.: 860-701-3400 Email: Contact Us
Follow us on Facebook
Shipping Info
Defender Home Page
Your Cart
null View Cart View Shopping Cart
null Check My Order(s)
null Track My Package(s)
Conversion Chart
Shopping Areas
Boats & Motors
null Defender Seal null
promo A
promo B
promo C
promo D

Blue Sea Systems M2 OLED (Organic LED) Digital Tank Monitor

  • Function: Monitors Levels in up to (4) Water or Holding Tanks - with Alerts
  • Power: 12/24/32 Volt DC, Compatible with Common Sending Units (Not Included)
  • Cutout: 2-1/8" (54 mm) Diameter
  • Item #: 
    Blue Sea Systems
    Model #: 


    Shipping Weight: 
    0.80 Lbs.
    List Price: 
    Our Price:
    Status:    null In Stock

    Quantity : 



    • The Blue Sea Systems M2 OLED (Organic LED) Digital Tank Monitor measures essential parameters with adjustable alarms and an auto-dimming display
    • The M2 Monitors include a Isolated 500mA MOSFET* External Circuit Relay (ECR)
      • Used to control external circuits based on any value measured by the M2
    • Auto-dimming, bright Organic LED display is easy to read
    • 80dB alarm on all models
    • Includes external DC Shunt or AC Current Transformer when required
    • Intuitive tank level monitoring
    • Monitor up to (4) tanks
    • Auto calibration for unique tank shapes
    • Compatible with common sending units

    *MOSFET Relay: Metal–Oxide–Semiconductor Field-Effect Transistor is a type of field-effect transistor (FET). It has an insulated gate, whose voltage determines the conductivity of the device. This ability to change conductivity with the amount of applied voltage can be used for amplifying or switching electronic signals.


    • Function: Monitors tank volume in up to (4) tanks
    • Display Size: 55 mm x 28 mm
    • Input Voltage: 7-70 Volt DC
    • Range: 0.3 Watt-1.0 Watt
    • Tank Alarms: 80dB
    • Tank Shapes: Custom shapes, auto calibration
    • Waterproof: IB66
    • Cutout: 2-1/8" (54 mm) Diameter
    CA Prop65 warning

    Blue Sea Systems M2 OLED (Organic LED) Digital Bilge Meter
    Item #: 205043
  • Function: Monitors bilge pump activity in up to (4) Bilges
  • Input Voltage: 7-70 Volt DC, Range: 0.3 Watt-1.0 Watt
  • Waterproof: IP66, Easy to Read, Auto-Dimming, Bright LED Display
  •  Include
    Model #:
    Blue Sea Systems M2 OLED (Organic LED) Digital Temperature Monitor
    Item #: 205035
  • Function: Monitor up to 4 Temperature Sensors
  • Input Voltage: 7-70 Volt DC, Temp Range: -40° F - 250° F
  • Waterproof: IP66, Easy to Read, Auto-Dimming, Bright LED Display
  •  Include
    Model #:

    Have A Suggestion?

    Help us make our site better for everyone! Let us know you've found something wrong or frustrating on this page and we will improve it. Please mark each that apply.

    Product has been improperly categorized
    Page loads too slowly
    Product information is incorrect
    Page has errors or bugs
    Site is frustrating or difficult to use
    Product image is missing or wrong
    Cannot find my size
    Spelling errors on page
    Not enough product information

    Comments or Examples:
    Examples: Missing information such as dimensions and model number, typos, inaccuracies, etc...

    Please include your e-mail address below if you would like us to respond to your comments or questions.             

    Join Our Email List And Receive our Monthly Promotions
    Defender Email Specials
    Click Here For Our Privacy Policy