Blue Sea 1838 M2 AC Multimeter

The M2 AC Multimeter is an essential tool for marine and boating enthusiasts, providing accurate monitoring of your vessel's electrical systems. Designed with a large, bright OLED display, it ensures you have clear visibility of critical parameters even in challenging marine environments. Whether you're managing power distribution or troubleshooting electrical issues on your boat, the M2 AC Multimeter offers reliable performance and ease of use tailored to your maritime needs.

Key Features

• Bright OLED Display: The auto-dimming feature ensures the display is easy to read in various lighting conditions, from bright sunlight to nighttime settings.
• Programmable Current Transformer Ratios: Customize the measurement settings to suit different circuits and applications on your vessel.
• Dual Voltage and Circuit Monitoring: Measure up to two voltages and monitor two separate circuits simultaneously, providing comprehensive oversight of your boat's electrical systems.
• 92dB Audible Alarm: Receive immediate alerts for any deviations in current, frequency, or voltage, helping you address issues before they escalate.
• Isolated MOSFET Relay: Ensures safe and reliable switching, protecting your multimeter and your vessel’s electrical components from potential faults.
• Easy Adjustment: Intuitive controls make it simple to configure settings, even while on the move.

Technical Specifications

Why Choose the M2 AC Multimeter for Your Boat?

Maintaining the electrical integrity of your boat is crucial for safety and performance. The M2 AC Multimeter provides precise measurements and real-time monitoring, allowing you to keep an eye on essential systems such as navigation lights, engine controls, and onboard electronics. Its robust design is built to withstand the harsh conditions of marine environments, ensuring long-lasting reliability season after season.

Additional Resources

Owner's Manual (PDF)

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.