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Blue Sea M2 AC/DC Vessel Systems Monitor VSM

NMEA 2000 OLED Display for Dual Battery, Bilge & Tank Monitoring


Regular price $788.67
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Blue Sea M2 Vessel Systems Monitor featuring a high-contrast OLED display for AC and DC power management

Blue Sea M2 AC/DC Vessel Systems Monitor VSM

DESCRIPTION

Centralised Marine Electrical, Bilge, and Tank Monitoring in One Compact Display

Managing a vessel's critical electrical and fluid systems often requires multiple gauges that clutter the helm and complicate wiring. The Blue Sea AC/DC Vessel Systems M2 Monitor VSM consolidates essential data from your DC battery banks, AC power supply, bilge pumps, and fluid tanks into a single, space-saving unit. Featuring a high-contrast Organic LED (OLED) digital display, this marine system monitor delivers exceptional readability across various lighting conditions, from bright midday sun to night-time navigation.

Engineered for demanding marine environments, the M2 VSM provides boat owners and marine technicians with real-time visibility and early warning alerts. By replacing standalone voltmeters, ammeters, and tank gauges with one integrated module, you reduce dashboard footprint while improving situational awareness on the water.

Key Features

  • All-in-One System Visibility: Simultaneously tracks DC battery health, AC shore or generator power, bilge pump activity, and fluid tank capacities.
  • High-Contrast OLED Screen: Bright, crisp digital readout navigated via weather-resistant tactile control buttons.
  • Dual Battery Bank Tracking: Comprehensive State of Charge (SoC), voltage, and current tracking for a primary bank, plus voltage monitoring for a secondary bank.
  • Configurable Audio/Visual Alarms: Customisable high and low alerts for electrical thresholds, tank levels, and excessive bilge cycling.
  • NMEA 2000 Certified: Integrates directly into your existing marine network backbone using standard connectors without proprietary cabling.

Comprehensive DC and AC Power Management

Protecting your marine electrical system from deep discharge or irregular shore power is vital for onboard safety and equipment longevity. For DC systems, the primary input measures voltage, current, and State of Charge (SoC) for your main house battery bank, while a secondary input tracks the voltage of an auxiliary or starter battery. Configurable alarms alert you to high or low voltage, high current draw, and low battery status before permanent cell damage occurs.

On the AC side, the unit monitors a single AC supply for voltage, current, and frequency. Whether connected to marina shore power or an onboard generator, customisable alarms for voltage drops, current overloads, and frequency deviations help safeguard sensitive AC appliances.

Intelligent Bilge and Tank Inputs

The M2 Monitor features two versatile auxiliary inputs that can be independently configured for either bilge pump or fluid tank monitoring:

  • Bilge Monitoring Mode: Goes beyond simple on/off indicators by logging active pump activity, cycle counts over the last 24 hours, average daily cycles, and total lifetime cycles. High-priority alarms can be set for excessive run-time minutes within the last hour or abnormal cycle frequency, providing early detection of slow hull leaks or faulty float switches.
  • Tank Monitoring Mode: Displays fluid levels in litres, gallons, or as a percentage of total capacity. Unlike standard gauges that struggle with irregular hull contours, the M2 VSM allows custom tank shapes to be programmed or auto-calibrated for accurate volume readings, complete with high and low level alerts for fuel, freshwater, or greywater tanks.

Seamless NMEA 2000 Integration

Designed for modern marine electronics architectures, the Blue Sea 1850B is NMEA 2000 certified. It connects directly to a shared NMEA 2000 network backbone using standard connectors, eliminating the need for complex point-to-point wiring looms. Furthermore, it supports function sharing with compatible multi-function displays, including CZone Touch 5 and Touch 10 interfaces, allowing you to view system data across your vessel.

Upgrade Your Helm Station Today

Streamline your dashboard and protect your vessel's vital electrical and plumbing infrastructure. Integrate the Blue Sea M2 Vessel Systems Monitor into your marine setup for reliable, centralised system oversight on every voyage.


SKU: BS-1850B

SPECIFICATIONS

SpecificationDetails
Product typeCompact organic LED digital monitor
DC system monitoringMonitors up to two battery banks. One input monitors voltage, state-of-charge and current for one battery bank; another monitors the voltage of an additional battery bank.
DC alarmsHigh and low voltage, high current and low battery.
AC system monitoringMonitors a single AC voltage, current and frequency.
AC alarmsHigh and low voltage, high current, and high and low frequency.
Bilge and tank inputsTwo inputs can be configured as bilge or tank monitors.
Bilge monitoringMonitors pump activity, cycle count in the last 24 hours, average cycles in a typical 24-hour period and total cycles. High alarms can be set for minutes of run time in the last hour and cycle counts in the last 24 hours.
Tank monitoringTank status can be represented in gallons or liters, or as a percentage of capacity. Custom tank shapes can be auto-calibrated or programmed. High and low level alarms can be set for all tanks.
NetworkNMEA 2000 certified; uses standard connectors. Allows a single network backbone for multiple NMEA 2000 devices.
Function sharingCan share certain monitoring functions with CZone Displays Touch 5 and Touch 10.

SKU: BS-1850B
Model #: BS-1850B
MPN: BS-1850B
Package weight: 1.5 kg
Package length: 0.28 m
Package width: 0.23 m
Package height: 0.16 m

WARRANTY

Blue Sea Warranty Policy

Blue Sea Systems products sold by us are supplied with a warranty against defects for the warranty period shown below, subject to the product type, application and the terms of this warranty policy.

The express warranty provided by us is limited to a maximum of 5 years from the original date of purchase, unless otherwise required under Australian Consumer Law.

Blue Sea Systems may offer longer manufacturer support on some products at their discretion

Warranty Lengths by Product Range

Blue Sea Product Range Warranty Length Application / Notes
Most Blue Sea Systems Products 5 years Applies to most Blue Sea Systems products found to be defective in materials or manufacture.
P12 Battery Chargers 5 years Warranty period starts from the original date of purchase.
P12 Remote Displays 5 years Warranty period starts from the original date of purchase.
Digital Meters 3 years Warranty period starts from the original date of purchase.
Vessel System Monitors 3 years Warranty period starts from the original date of purchase.

Warranty Assessment and Remedy

If a Blue Sea Systems product is found to be defective in materials or manufacture within the applicable warranty period, we will, at our discretion, arrange a repair, replacement, store credit or refund, depending on the nature of the fault and the requirements of Australian Consumer Law.

Products may need to be returned for assessment before a warranty claim can be approved. Where required, the product must be returned with dated proof of purchase and a clear description of the fault.

Labour costs for removing, replacing, reinstalling or diagnosing a product are not covered by this express warranty unless otherwise required under Australian Consumer Law.

Making a Warranty Claim

To make a warranty claim, please contact us with your dated proof of purchase, product details and a description of the fault.

The product may need to be returned for inspection before the claim can be assessed. If the product is confirmed to be faulty and covered by this warranty, we will advise the available remedy.

What This Warranty Does Not Cover

This warranty does not cover faults or damage caused by incorrect installation, incorrect application, misuse, abuse, neglect, unauthorised modification, accidental damage, normal wear and tear, environmental damage, or failure to use the product in accordance with the manufacturer's instructions.

  • Incorrect installation or wiring
  • Incorrect product selection or application
  • Misuse, abuse or neglect
  • Physical or accidental damage
  • Water ingress or environmental damage outside the product's intended use
  • Unauthorised modification or repair
  • Normal wear and tear
  • Labour costs for removal, replacement, reinstallation or diagnosis
  • Freight, travel or call-out costs unless otherwise required by law
  • Products not returned for assessment when reasonably required

Manufacturer Support

Blue Sea Systems may provide additional manufacturer support on some products beyond the warranty period listed above. Where available, we may assist customers in contacting the manufacturer, but any manufacturer support beyond the express warranty period is subject to the manufacturer's own terms and continued availability.

Australian Consumer Law

This warranty is in addition to other rights and remedies available at law. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

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