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Blue Sea M2 OLED Digital Temperature Monitor

4-Zone (-40°C to 120°C), 80dB Alarm, 500mA Relay & Waterproof Sensors


Regular price $800.00
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Availability: Special Order
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Blue Sea M2 OLED digital temperature monitor showing four temperature readings and tactile control buttons

Blue Sea M2 OLED Digital Temperature Monitor

DESCRIPTION

Precision Thermal Oversight for Marine and Off-Grid Systems

Maintaining strict thermal control is vital for the longevity and safety of complex electrical and mechanical systems. The Blue Sea M2 OLED Digital Temperature Monitor provides accurate, real-time tracking across up to four independent zones simultaneously. Engineered for demanding marine, RV, and off-grid environments, this digital gauge allows operators to monitor critical areas such as engine rooms, exhaust systems, battery banks, and refrigeration units from a single, centralised interface.

Unlike standard aftermarket gauges that can be difficult to read in direct sunlight or overly bright during night navigation, the M2 series utilises an advanced auto-dimming Organic LED (OLED) screen. This high-contrast display automatically adapts to ambient lighting conditions, ensuring clear visibility at any hour without causing night blindness at the helm. Navigation through configuration menus and sensor data is straightforward via four tactile front-panel buttons.

Key Features and System Capabilities

  • Multi-Zone Tracking: Monitors up to four waterproof external temperature sensors across an expansive operating range of -40°C to 120°C (-40°F to 250°F).
  • Proactive Audio and Visual Alerts: Features an integrated 80dB audible alarm paired with a visual status LED, both fully customisable to trigger at user-defined temperature thresholds.
  • Automated Circuit Control: Equipped with an isolated 500mA MOSFET External Circuit Relay (ECR) to automatically trigger cooling fans, bilge blowers, or external high-output sirens when specific thermal limits are reached.
  • Marine-Grade Compliance: Fully ABYC compliant for marine engine exhaust applications, complete with a rear panel-mount sealing gasket for weather-resistant installation.
  • Flexible Display Units: Easily switch between Celsius and Fahrenheit readings to suit operator preference.

Risk Reduction and Automated Thermal Management

Thermal runaway in battery compartments or overheating in marine engine bays can lead to severe equipment failure. By deploying the included waterproof sensors across high-risk zones, the M2 Temperature Monitor acts as an early warning system. If an alternator runs hot or an exhaust cooling system falters, the 80dB alarm provides immediate notification before catastrophic damage occurs.

Furthermore, the integrated MOSFET relay elevates the unit from a passive display to an active system controller. Rather than relying solely on human intervention when an alarm sounds, the monitor can be configured to automatically close a circuit to engage ventilation fans or shut down heat-generating equipment, actively mitigating thermal risks.

Installation and Application Versatility

Designed for seamless integration into standard panel cutouts, this compact digital monitor is suitable for a wide array of applications:

  • Marine Vessels: Track engine exhaust temperatures, bilge areas, and alternator casings in accordance with ABYC standards.
  • 12V and 24V Off-Grid Setups: Monitor ambient temperatures inside lithium battery enclosures, inverter cabinets, and solar charge controller bays.
  • Caravans and Motorhomes: Keep a reliable check on fridge and freezer compartments or auxiliary engine bays during long-distance touring in harsh Australian climates.

Note: While the broader Blue Sea M2 family includes models for electrical current and voltage measurement that require an external DC shunt or AC current transformer, this specific unit is dedicated to thermal monitoring and comes supplied with the required waterproof temperature sensors.

Upgrade Your System Monitoring

Protect your critical marine and off-grid investments from heat-related damage. Integrate the Blue Sea M2 OLED Digital Temperature Monitor into your control panel for reliable, automated thermal oversight.


SKU: BS-1841B

SPECIFICATIONS

SpecificationDetail
Product typeDigital monitor
DisplayAuto-dimming Organic LED (OLED)
Alarm80dB alarm on all models; adjustable alarms
Temperature monitoringExternal temperature monitoring; monitors up to 4 temperature sensors
Temperature measurement range-40°C to 120°C (-40°F to 250°F)
Temperature unitsFahrenheit or Celsius
RelayIsolated 500mA MOSFET External Circuit Relay (ECR), for controlling external circuits based on values measured by the M2
External measurement accessoriesIncludes an external DC shunt or AC current transformer when required
ComplianceABYC compliant for engine exhaust
Included sensorsWaterproof temperature sensors included

SKU: BS-1841B
Model #: M2
MPN: M2
Package weight: 0.54 kg
Package length: 0.24 m
Package width: 0.18 m
Package height: 0.12 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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