NMEA2000 Sensor Selection

Equip your vessel for safety during Coastal Cruising! Offshore Passage!

Across Ocean Systems offers extensive selection of NMEA2000 Sensors and advanced Vessel Monitoring Systems

Solutions for Trouble Free Boating

Underway Monitoring

Fuel Filter Monitoring

Device Status Monitoring

Temperature Monitoring

At the dock Monitoring

Alternator Current Monitoring

Analog System Monitoring

Sewage Tank Monitoring

Tank Level Monitoring

Generator Monitoring

Propulsion Monitoring

Fluid Pressure Monitoring

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NMEA2000 Simulator

All modern boat electronics in a small box!

Most advanced NMEA2000 Simulator provides all tools you need to develop marine applications or to test your NMEA2000 network.

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New NMEA2000

300 Amp and 500 Amp Advanced Current Sensor for cables up to 4/0 size.. Perfect to monitor high output alternator currents

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New NMEA2000
Ultrasonic Level

Ultrasonic sensors is easy to month on the top of a tank and is suitable to measure fuel, water, gray or black water tanks up to 1 meter deep.  

New Arrivals

Choose Across Ocean Systems 


We offer automatic shipping cost calculation to most counties in the world. If your country is not showing as  available selection in the shipping page, please contact us and we will arrange it 

Worldwide shipping


We are proud of our products and services. With many happy customers around the globe, our goal continue to be 100% customer satisfaction.

Satisfaction Guaranteee


We offer 24/7 email support. Phone support is also available during  business hours Pacific Standard Time.

24/7 Support


Our sensors are designed and tested agains strict NMEA2000 compliance. They successfully send data to Simrad, Garmin, Raymarine MFDs as well as other NMEA2000 certified Multi Function Display products.

100% NMEA2000 standard 

Latest News

AOS New High Current Sensor

North Vancouver, British Columbia,
Across Ocean Systems Ltd. announced during the Vancouver International Boat Show the expansion of their  popular line of DC current sensors with couple of new high current sensors capable of measuring currents from -300Amps to +300Amps and from -500Amps to +500Amps. 

 “The main advantages of AOS line of current sensors are their capability to measure current without physically connecting to the high current wires and creating danger of bad contact, overheating and possible fire and the extremely easy and quick installation. Just clip the sensor on the positive or negative wire and connect to the NMEA2000 backbone”, says Jordan Shishmanov, president of Across Ocean Systems Ltd. 

“These current sensors are perfect for measuring high power alternator…”