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Sensar Marine BMBS700 Boat Monitor with Bilge Sentry GPS Tracking System

Manufacturer

Sensar Marine

<h3>About Sensar Marine</h3><p>Founded in 2018 and headquartered in Lexington, Massachusetts, Sensar Marine set out to solve one of boating's most persistent anxieties: not knowing what's happening to your vessel when you're not on board. Their answer is an integrated smart sensor ecosystem that connects directly to your boat's critical systems and streams live data straight to your smartphone — around the clock, every day of the year.</p><p><a href="/200363-electronics-parts-accessories-sensar-marine-18204">Sensar Marine electronics and accessories</a> are built around the flagship Boat Monitor, a compact, waterproof (IPX7) device that acts as the nerve center of the entire system. <strong>The Boat Monitor is the system's brain</strong> — where data from your boat is continually collected and sent to your app. It features an integrated GPS antenna, a 4G modem with SIM card, and an onboard accelerometer that tracks movement and impact. The companion smartphone app gives boaters a full, real-time dashboard of their vessel's condition, along with 30 days of historical sensor data so you can spot trends before they become problems.</p><p>One of the most practical features for any boat owner is bilge oversight. Sensar Marine's Bilge Sentry add-on pairs seamlessly with the core monitor to provide continuous insight into what's happening below the waterline. The system tracks <a href="/200350-electric-bilge-pumps-sensar-marine-18204">electric bilge pump</a> activity — logging exactly when the pump ran and for how long — and sends immediate alerts if unusual activity is detected. Water in the bilge is one of the earliest warning signs of a serious problem, and Sensar Marine ensures you know about it whether you're at the dock or hundreds of miles away.</p><p>Keeping tabs on your boat's electrical health is equally important, and Sensar Marine addresses this through dedicated <a href="/200146-battery-monitors-volt-meters-sensar-marine-18204">battery monitoring</a> built right into the system. The monitor tracks voltage across your battery banks and sends notifications the moment levels drop to a critical threshold — helping prevent the dead-battery surprises that strand boaters or lead to expensive equipment damage. The optional Expansion Hub extends this capability even further, supporting monitoring across up to six battery banks via a simple software update.</p><p>What truly sets Sensar Marine apart is the thoughtfulness of its design. The system runs on an internal battery with over 50 days of standby power and recharges itself automatically whenever the boat's batteries are being charged — making it completely maintenance-free. Installation is a genuine DIY affair, requiring no special tools and taking roughly 15 minutes. All components use plastic construction to eliminate rust risk in harsh marine environments, and the entire system is engineered to Nordic maritime standards.</p><p>For boaters who want peace of mind without complexity, Sensar Marine delivers a purpose-built solution that keeps you informed, prepared, and connected — no matter how far from the water you happen to be.</p>

Part Number

BMBS700
09/16/2036 8:47 PM
Sale Price

$499.00

In Stock (10+)

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Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sensar Marine Boat Monitor with Bilge Sentry is an intelligent marine monitoring system that provides real-time data on your boat's vital systems through a mobile app. This comprehensive monitoring solution tracks battery voltage, bilge pump activity, water levels, and GPS position, giving boaters complete peace of mind whether at the dock or away from their vessel.

Key Features:

  • Monitors up to 2 battery banks (12V and 24V support) with low voltage alerts
  • Tracks bilge pump activity and water levels from 0 to 6 inches
  • Multi-GNSS GPS receiver provides accurate positioning using all available satellites
  • Automatic GeoFence alerts notify you if your boat leaves a designated area
  • Trip logging visualizes current and historical voyage data
  • Integrated accelerometer displays G-force measurements (0g to 8g range)
  • Internal battery provides 40 days of power and recharges automatically when boat batteries charge
  • 4G cellular connectivity with internal antenna for reliable data transmission
  • Bilge temperature monitoring from -4°F to 140°F with freeze warnings

Marine-Grade Construction:

Sensar's cable system is specifically engineered for harsh maritime environments, ensuring reliable data transmission even in high-moisture conditions. The system uses corrosion-resistant plastic components throughout to eliminate rust concerns in your boat.

Simple DIY Installation:

Designed for easy self-installation without professional help. The system can be mounted using included industrial-grade 3M tape or optional screws. All connections are made with simple quick-connect fittings that require only basic pliers—no special tools or marine electronics experience needed.

Complete System Includes:

  • Boat monitor unit (4.43" x 3.82" x 1.40")
  • Battery/bilge pump cable (6 ft length)
  • Bilge Sentry water level sensor with 5 ft cable
  • Mounting bracket
  • Quick connection fittings and T-splice cable
  • Information card with ID and connection code
  • 3M double-sided industrial tape (4 pieces)
  • Cleaning wipes (2 pieces)

Technical Specifications:

  • Dimensions: 4.43" L x 3.82" W x 1.40" H
  • Weight: 9.74 oz (276.5 grams)
  • Battery voltage alerts: Warning at 12.2V, Alarm at 11.8V
  • Bilge water level alerts: Warning at 4 inches, Alarm at 5.5 inches
  • Temperature alerts: Warning at 34°F, Alarm at 28°F (freeze protection)
  • Cellular: 4G with internal antenna
  • Maintenance-free operation with automatic charging

Called customer service just to verify the part fits.

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