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  • Blue Sea 1839 M2 OLED Tank Monitor [1839]

    M2 OLED Tank Monitor

    The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display. The M2 Monitors include a MOSFET External Circuit Relay (ECR) which can be 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
    • Isolated 500mA MOSFET relay
    • 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

    • Meter: Tank
    • Function: Monitors tank volume in up to 4 tanks
    • Resolution: 1%
    • Display Size: 55mm x 28mm
    • Input Voltage: 7-70V DC - Variable with voltage, display intensity, and sleep mode
    • Range: 0.3W-1.0W
    • Tank Alarms: 80dB
    • Tank Shapes: Custom shapes, auto calibration
    • Weight: 0.25lb (0.11 kg)

    WarningWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.