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![Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/15282/18473/80392XL__45567.1715748705.jpg?c=1 "Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]")
![Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/15282/18474/80392BXL__94069.1715748706.jpg?c=1 "Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]")
Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]
Blue Sea SystemsDEAN-80392$66.99RRP: $113.991741200 Mini OLED Temperature Monitor - BlueMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features:Compact size enables mounting in any... -
![Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level [1810]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/2265/2801/34974XL__24479.1715719499.jpg?c=1 "Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level [1810]")
Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level [1810]
Blue Sea SystemsDEAN-34974$102.99RRP: $174.991810Features:Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800 - can be precisely calibrated for each tank* Reliable - SSI Technologies, Inc. Fluid-Trac® is non-contacting... -
![Blue Sea 1821 Universal Temperature Sensor [1821]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/9031/10912/64340XL__26639.1715734655.jpg?c=1 "Blue Sea 1821 Universal Temperature Sensor [1821]")
Blue Sea 1821 Universal Temperature Sensor [1821]
Blue Sea SystemsDEAN-64340$14.99RRP: $23.99Universal Temperature SensorUse with the P12 Charger, M2 OLED, and Mini OLED MetersIncludes double-sided tapeWaterproof designTemperature Range: -40°F to 300°F (-40°C to... -
![Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/6377/7863/54762XL__27777.1715728861.jpg?c=1 "Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830]")
![Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/6377/7864/54762BXL__61179.1715728861.jpg?c=1 "Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830]")
Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830]
Blue Sea SystemsDEAN-54762$291.99RRP: $499.99M2 DC SoC State of Charge MonitorAccurately measure and monitor the state-of-charge of your batteries. Supports programmable shunt ratios.Features: Auto-dimming, bright OLED display is easy to read... -
![Blue Sea 1833 M2 DC Voltmeter [1833]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/6379/7869/54765XL__55948.1715728868.jpg?c=1 "Blue Sea 1833 M2 DC Voltmeter [1833]")
![Blue Sea 1833 M2 DC Voltmeter [1833]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/6379/7870/54765BXL__75073.1715728869.jpg?c=1 "Blue Sea 1833 M2 DC Voltmeter [1833]")
Blue Sea 1833 M2 DC Voltmeter [1833]
Blue Sea SystemsDEAN-54765$260.99RRP: $446.99M2 DC VoltmeterMonitors DC Voltage on large, bright display. Accurately measures and monitors the voltage of up to three batteries.Features: Auto-dimming, bright OLED display is easy to read Easy to... -
![Blue Sea 1836 M2 AC Ammeter [1836]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/6380/7872/54768XL__75644.1715728872.jpg?c=1 "Blue Sea 1836 M2 AC Ammeter [1836]")
![Blue Sea 1836 M2 AC Ammeter [1836]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/6380/7873/54768BXL__50898.1715728872.jpg?c=1 "Blue Sea 1836 M2 AC Ammeter [1836]")
Blue Sea 1836 M2 AC Ammeter [1836]
Blue Sea SystemsDEAN-54768$263.99RRP: $451.99M2 AC AmmeterMonitors AC Amperage on large, bright display. Supports programmable current transformer ratios. Accurately measure and alarm the amperage of your AC system. (measures 2 independent... -
![Blue Sea 1837 M2 AC Voltmeter [1837]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/6381/7875/54769XL__80144.1715728875.jpg?c=1 "Blue Sea 1837 M2 AC Voltmeter [1837]")
![Blue Sea 1837 M2 AC Voltmeter [1837]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/6381/7876/54769BXL__68356.1715728876.jpg?c=1 "Blue Sea 1837 M2 AC Voltmeter [1837]")
Blue Sea 1837 M2 AC Voltmeter [1837]
Blue Sea SystemsDEAN-54769$290.99RRP: $498.99M2 AC VoltmeterMonitors AC Voltage on large, bright display. Accurately measure and monitors the voltage of your AC system. (measures 2 independent circuits or 1 double phase circuit)Features:... -
![Blue Sea 1838 M2 AC Multimeter [1838]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/6382/7878/54771XL__49760.1715728879.jpg?c=1 "Blue Sea 1838 M2 AC Multimeter [1838]")
![Blue Sea 1838 M2 AC Multimeter [1838]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/6382/7879/54771BXL__25054.1715728879.jpg?c=1 "Blue Sea 1838 M2 AC Multimeter [1838]")
Blue Sea 1838 M2 AC Multimeter [1838]
Blue Sea SystemsDEAN-54771$307.99RRP: $527.99M2 AC MultimeterMonitors AC Amps, Volts, Hzs on large, bright display. Supports programmable current transformer ratios. Accurately measure and monitor AC amperage, voltage and Hz. (measures 2... -
![Blue Sea 1839 M2 OLED Tank Monitor [1839]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/9032/10913/64341XL__95676.1715734657.jpg?c=1 "Blue Sea 1839 M2 OLED Tank Monitor [1839]")
Blue Sea 1839 M2 OLED Tank Monitor [1839]
Blue Sea SystemsDEAN-64341$291.99RRP: $499.99M2 OLED Tank MonitorThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display. The M2 Monitors include a MOSFET External... -
![Blue Sea 1850 M2 Vessel Systems Monitor [1850]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12727/15254/74851XL__41077.1715742962.jpg?c=1 "Blue Sea 1850 M2 Vessel Systems Monitor [1850]")
Blue Sea 1850 M2 Vessel Systems Monitor [1850]
Blue Sea SystemsDEAN-74851$379.99RRP: $650.991850 M2 Vessel Systems MonitorPerforms comprehensive monitoring of four critical systems in one compact organic LED digital monitor.DC System Monitoring (up to two batteries)One input monitors the... -
![Blue Sea 2001 Power Post High Amperage Cable Connector 1\/4" Stud [2001]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/249/547/13629XL__61617.1715715033.jpg?c=1 "Blue Sea 2001 Power Post High Amperage Cable Connector 1\/4\" Stud [2001]")
Blue Sea 2001 Power Post High Amperage Cable Connector 1/4" Stud [2001]
Blue Sea SystemsDEAN-13629$12.99RRP: $20.99PowerPost High Amperage Cable Connector 1/4" StudFeatures:Connects high amperage cables securelyGlass-Reinforced Nylon48 Volts DC MaximumNot rated - Amperage flows between terminals stacked on post... -
![Blue Sea 2002 PowerPost High Amperage Cable Connector 5\/16" Stud [2002]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/289/592/13951XL__95490.1715715121.jpg?c=1 "Blue Sea 2002 PowerPost High Amperage Cable Connector 5\/16\" Stud [2002]")
Blue Sea 2002 PowerPost High Amperage Cable Connector 5/16" Stud [2002]
Blue Sea SystemsDEAN-13951$11.99RRP: $19.992002 PowerPost High Amperage Cable Connector 5/16" Stud Insulated single stainless steel stud terminates multiple large conductors.Features:Connects high amperage cables securelyStud...