Blue Sea M2 Multimeter.

Blue Sea Systems M2 AC Multimeter and DC Multimeter with State of Charge

Models:

• M2 AC Multimeter: 1838-BSS

• M2 DC Multimeter with State of Charge: 1830-BSS

These M2 series meters provide advanced monitoring for marine and industrial electrical systems with bright, auto-dimming OLED displays for easy readings in any light. The AC model accurately measures amperage, voltage, frequency, and power, supporting programmable current transformer ratios. The DC model incorporates state-of-charge monitoring alongside voltage and current measurement for thorough battery management and safety.

Key Features

• M2 AC Multimeter (1838-BSS):

  • Measures AC Amps, Volts, Hz, and Power up to 300A

  • Programmable current transformer ratios

  • High/low alarms for current, voltage, and frequency

  • ±2.0% accuracy, frequency range 40-90Hz, resolution 1Hz

  • 80dB alarm and isolated MOSFET relay for alarm control

• M2 DC Multimeter with State of Charge (1830-BSS):

  • Measures State-of-Charge of 1 battery bank, 3 voltages, and 1 current

  • Supports programmable shunt ratios

  • High current, high/low voltage, and low battery alarms

  • ±1.0% voltage accuracy

  • External relay activation

Specifications Comparison

What’s in the Box

1838-BSS M2 AC Multimeter:

• M2 Head Unit

• Surface Mount Bezel and Seal

• Surface Mount Gasket

• Surface Mount Cover

• Flat Mount Bezel

• Flat Mount Clamp

• Mounting Ring

• Mounting Nut

• Connectors

• Screwdriver

• AC Current Transformer (Model 8256 - 150A AC/50mA AC)

1830-BSS M2 DC Multimeter with SoC:

• M2 Head Unit

• Surface Mount Cover

• Mounting Ring

• Connector

• Surface Mount Bezel

• Flush Mount Bezel

• Mounting Nut

• Screwdriver

• Surface Mount Gasket

• Flush Mount Clamp

• Shunt (Model 8255 - 500A DC Digital Current Shunt)

These Blue Sea M2 meters offer precise, comprehensive monitorin