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Blue Sea Systems
![Blue Sea 1732200 Mini OLED Ammeter - Blue [1732200]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/18816/23683/80388XL__93759.1677998139.jpg?c=1 "Blue Sea 1732200 Mini OLED Ammeter - Blue [1732200]")
Blue Sea Systems
Blue Sea 1732200 Mini OLED Ammeter - Blue [1732200]
$130.99
1732200 Mini OLED Ammeter - BlueMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features:Compact size enables mounting in any convenient...
![Blue Sea 1733 Mini OLED DC Voltmeter [1733]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/9217/11586/58582XL__48303.1677974057.jpg?c=1 "Blue Sea 1733 Mini OLED DC Voltmeter [1733]")
Blue Sea Systems
Blue Sea 1733 Mini OLED DC Voltmeter [1733]
$71.99
Mini OLED DC VoltmeterMonitors DC voltage on a bright, waterproof, daylight readable OLED screenCompact size enables mounting in any convenient locationIP66 waterproofReverse polarity...
![Blue Sea 1733200 Mini OLED Voltmeter - Blue [1733200]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/18817/23685/80389XL__32829.1677998142.jpg?c=1 "Blue Sea 1733200 Mini OLED Voltmeter - Blue [1733200]")
Blue Sea Systems
Blue Sea 1733200 Mini OLED Voltmeter - Blue [1733200]
$71.99
1733200 Mini OLED Voltmeter - BlueMonitors DC voltage on a bright, waterproof, daylight readable OLED screen. Features:Reverse polarity protectedMounts in a common 1-1/8" (29mm) holeColor:...
![Blue Sea 1739 Mini OLED Tank Meter - Yellow [1739]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/18814/23680/80385XL__33701.1677998134.jpg?c=1 "Blue Sea 1739 Mini OLED Tank Meter - Yellow [1739]")
Blue Sea Systems
Blue Sea 1739 Mini OLED Tank Meter - Yellow [1739]
$75.99
1739 Mini OLED Tank Meter - YellowMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features:Compact size enables mounting in any convenient...
![Blue Sea 1739200 Mini OLED Tank Meter - Blue [1739200]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/18815/23681/80386XL__24870.1677998136.jpg?c=1 "Blue Sea 1739200 Mini OLED Tank Meter - Blue [1739200]")
Blue Sea Systems
Blue Sea 1739200 Mini OLED Tank Meter - Blue [1739200]
$75.99
1739200 Mini OLED Tank Meter - BlueMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features:Compact size enables mounting in any convenient...
![Blue Sea 1741 Mini OLED Temperature Meter [1741]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/11314/14191/64338XL__62104.1677979280.jpg?c=1 "Blue Sea 1741 Mini OLED Temperature Meter [1741]")
Blue Sea Systems
Blue Sea 1741 Mini OLED Temperature Meter [1741]
$99.99
Mini OLED Temperature MeterMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screenCompact size enables mounting in any convenient locationReverse...
![Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/18818/23686/80392XL__02794.1677998144.jpg?c=1 "Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]")
Blue Sea Systems
Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]
$99.99
1741200 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-ge8sirtax0/images/stencil/230x230/products/2603/3172/34974XL__44902.1677876834.jpg?c=1 "Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level [1810]")
Blue Sea Systems
Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level [1810]
$174.99
1810Features: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 1811 VSM 422 Tank Sender Gasoline Tank Level [1811]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/2602/3171/34973XL__86295.1677876831.jpg?c=1 "Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level [1811]")
Blue Sea Systems
Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level [1811]
$174.99
1811Features: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 1820 Submersible Temperature Sensor [1820]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/3274/3931/38072XL__17452.1677879105.jpg?c=1 "Blue Sea 1820 Submersible Temperature Sensor [1820]")
Blue Sea Systems
Blue Sea 1820 Submersible Temperature Sensor [1820]
$23.99
1820 Submersible Temperature SensorFeatures:General temperature sensor designed to work for most applications.Easy double-sided tape installationFully Submersible (IP68)Wires connect in either...
![Blue Sea 1821 Universal Temperature Sensor [1821]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/11315/14192/64340XL__51082.1677979282.jpg?c=1 "Blue Sea 1821 Universal Temperature Sensor [1821]")
Blue Sea Systems
Blue Sea 1821 Universal Temperature Sensor [1821]
$21.99
Universal 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-ge8sirtax0/images/stencil/230x230/products/7741/9927/54762XL__55514.1677970519.jpg?c=1 "Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830]")
Blue Sea Systems
Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830]
$499.99
M2 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...