Blue Sea 1839 M2 OLED Tank Monitor

The M2 OLED Tank Monitor is your reliable companion for managing and monitoring your boat's essential tank levels. Designed specifically for marine applications, this advanced Organic LED digital monitor ensures you stay informed about your tank volumes with precision and ease. Featuring adjustable alarms and an auto-dimming display, the M2 OLED Tank Monitor enhances your boating experience by providing clear, real-time data and seamless control over your boat's electrical and external systems.

Features

• Bright, auto-dimming Organic LED display for easy readability in all lighting conditions
• 80dB audible alarm on all models to alert you of critical tank levels
• Isolated 500mA MOSFET External Circuit Relay (ECR) for controlling external devices based on monitored values
• Includes external DC Shunt or AC Current Transformer for versatile connectivity options
• Intuitive tank level monitoring with support for up to 4 tanks simultaneously
• Automatic calibration adapts to unique tank shapes for accurate measurements
• Compatible with common sending units used in marine tank systems

Specifications

Feature	Details
Meter Type	Tank Volume Monitor
Functions	Monitors tank volume in up to 4 separate tanks
Resolution	1%
Display Size	55mm x 28mm
Input Voltage	7-70V DC (adjustable with voltage, display intensity, and sleep mode)
Power Range	0.3W-1.0W
Alarm	80dB audible alarms for critical tank levels
Tank Shapes	Custom shapes supported with automatic calibration
Relay	Isolated 500mA MOSFET relay for external circuit control
Weight	0.25 lb (0.11 kg)

WARNING: 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, visit P65Warnings.ca.gov.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.