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Blue Sea Systems 1839 M2 OLED Tank Monitor - 4 Tank Capacity

Manufacturer

Blue Sea Systems

<p>When electrical reliability can mean the difference between a successful voyage and a dangerous situation, marine professionals and enthusiasts turn to Blue Sea Systems. Founded in 1992, this American manufacturer has built a reputation for creating electrical components specifically engineered to withstand the unforgiving marine environment. Every product reflects a commitment to safety standards and real-world performance that has made Blue Sea Systems a leading name in marine and specialty vehicle electrical systems.</p> <h3>Engineering for the Marine Environment</h3> <p>Blue Sea Systems develops and manufactures dependable AC and DC electrical products for marine and specialized vehicle applications, designed in the USA and engineered to excel in challenging environments. The marine environment presents unique challenges—salt spray, constant vibration, temperature extremes, and moisture exposure—that can quickly degrade inferior electrical components. Blue Sea Systems addresses these challenges through careful material selection, rigorous testing protocols, and designs that prioritize both safety and serviceability. Their components are engineered for marine use and align with the intent of ABYC E-11: AC and DC Electrical Systems on Boats and relevant USCG electrical regulations.</p> <h3>Commitment to Safety Standards</h3> <p>Safety standards aren't just guidelines for Blue Sea Systems—they're fundamental to every product design. All Blue Sea Systems marine battery disconnect switches comply with the ABYC C-7 certification, demonstrating their commitment to meeting and exceeding industry safety requirements. The company maintains ABYC-certified employees across multiple departments, from engineering to technical support, ensuring deep expertise in marine electrical system design and installation standards.</p> <h3>Comprehensive Product Range</h3> <p>Blue Sea Systems offers an extensive catalog designed to address every aspect of marine electrical systems. Their <a href="/7262-blue-sea-systems-circuit-breakers-200260">circuit breakers</a> provide resettable overcurrent protection with trip-free designs and clear trip indication for quick diagnostics. For power management, their <a href="/7262-blue-sea-systems-battery-switches-manual-200149">battery switches</a> offer reliable methods for controlling battery banks and disconnecting loads during storage or emergencies, with ABYC C-7 compliance guaranteed.</p> <p>Monitoring system health is critical aboard any vessel, which is why their <a href="/7262-blue-sea-systems-battery-monitors-volt-meters-200146">battery monitors and volt meters</a> provide accurate real-time data to help operators make informed decisions about power usage and charging. The company's <a href="/7262-blue-sea-systems-terminal-blocks-bus-bars-201059">terminal blocks and bus bars</a> create organized, serviceable connection points that simplify installation and future modifications. For keeping batteries properly charged, Blue Sea Systems offers <a href="/7262-blue-sea-systems-battery-chargers-200141">battery chargers</a> engineered with features like automatic charging relay compatibility and proper charge profile management.</p> <h3>Built by Boaters, for Boaters</h3> <p>Blue Sea Systems was founded based on a commitment to create innovative high quality marine electrical products to improve the safety, simplicity, and reliability of boating, with employees who are active boaters applying their passion to designing, developing, and building products. This firsthand experience translates into practical features like modular layouts, standardized footprints, and installer-centric designs that streamline panel work and serviceability. The result is a product line that addresses real challenges faced on the water, backed by comprehensive technical documentation and support resources that help both professionals and DIY enthusiasts complete installations with confidence.</p>

Part Number

1839
06/01/2036 8:03 AM
Sale Price

$296.72

3 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Blue Sea Systems 1839 M2 OLED Tank Monitor provides precise digital monitoring of up to four tanks with an easy-to-read organic LED display and customizable alarm settings. This advanced monitoring system measures essential tank levels with 1% resolution and features auto-dimming technology for optimal visibility in any lighting condition.

Key Features:

  • Auto-dimming bright OLED display for easy reading in all conditions
  • Monitor up to 4 tanks simultaneously with intuitive level display
  • Auto-calibration capability accommodates unique tank shapes
  • Compatible with common sending units for flexible installation
  • 80dB audible alarm alerts on all models
  • Isolated 500mA MOSFET relay for external circuit control
  • Wide input voltage range: 7-70V DC
  • Low power consumption: 0.3W-1.0W

Technical Specifications:

  • Display Size: 55mm x 28mm
  • Resolution: 1% tank level accuracy
  • Power Range: 0.3W-1.0W (variable with voltage, display intensity, and sleep mode)
  • Includes external DC Shunt or AC Current Transformer when required
  • Weight: 0.25 lbs (0.11 kg)

The M2 Tank Monitor includes a MOSFET External Circuit Relay (ECR) that can be programmed to control external circuits based on any measured value, providing automated control capabilities for pumps, alarms, or other equipment. The custom shape calibration feature ensures accurate readings regardless of tank geometry, making it ideal for marine, RV, and other mobile applications.

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.

Products specifications

Dimensions

3 1/4" Width x 3 1/4" Height

Features

WaterproofTank Monitor

Type

Tank Monitor

Best Use

15 Volt DC Systems24 Volt DC Systems

Display Type

Digital; Up to 4 Tank Levels

Warranty Details

Lifetime

Nice fast and easy checkout.

Hate to have to type in the savings box, can't you just automatically give it to me? feel like a puppet on a string

so far so good

Easy to locate parts, and great prices.

The guy I called on the phone was very helpful

Description of items are incomplete

Parts were easy to find and the speed of website was fast.

Excellent easy transaction looking forward to my parts arriving

sites a little slow to load or respond

Simple. Great service!

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