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![Blue Sea 1733200 Mini OLED Voltmeter - Blue [1733200]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/15281/18472/80389XL__66148.1715748703.jpg?c=1 "Blue Sea 1733200 Mini OLED Voltmeter - Blue [1733200]")
Blue Sea 1733200 Mini OLED Voltmeter - Blue [1733200]
Blue Sea SystemsDEAN-80389$40.99RRP: $61.991733200 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-hbdnd2os5x/images/stencil/590x590/products/15278/18467/80385XL__59340.1715748696.jpg?c=1 "Blue Sea 1739 Mini OLED Tank Meter - Yellow [1739]")
Blue Sea 1739 Mini OLED Tank Meter - Yellow [1739]
Blue Sea SystemsDEAN-80385$40.99RRP: $61.991739 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-hbdnd2os5x/images/stencil/590x590/products/15279/18468/80386XL__49527.1715748698.jpg?c=1 "Blue Sea 1739200 Mini OLED Tank Meter - Blue [1739200]")
![Blue Sea 1739200 Mini OLED Tank Meter - Blue [1739200]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/15279/18469/80386BXL__42430.1715748699.jpg?c=1 "Blue Sea 1739200 Mini OLED Tank Meter - Blue [1739200]")
Blue Sea 1739200 Mini OLED Tank Meter - Blue [1739200]
Blue Sea SystemsDEAN-80386$40.99RRP: $61.991739200 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-hbdnd2os5x/images/stencil/590x590/products/9030/10911/64338XL__84208.1715734653.jpg?c=1 "Blue Sea 1741 Mini OLED Temperature Meter [1741]")
Blue Sea 1741 Mini OLED Temperature Meter [1741]
Blue Sea SystemsDEAN-64338$59.99RRP: $90.99Mini 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-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$53.99RRP: $81.991741200 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: $155.991810Features: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 1811 VSM 422 Tank Sender Gasoline Tank Level [1811]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/2264/2800/34973XL__51124.1715719497.jpg?c=1 "Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level [1811]")
Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level [1811]
Blue Sea SystemsDEAN-34973$114.99RRP: $218.991811Features: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: $21.99Universal 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$238.99RRP: $363.99M2 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 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$238.99RRP: $363.99M2 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 1842 M2 OLED Digital Bilge Meter [1842]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/10525/12599/68733XL__69232.1715737950.jpg?c=1 "Blue Sea 1842 M2 OLED Digital Bilge Meter [1842]")
Blue Sea 1842 M2 OLED Digital Bilge Meter [1842]
Blue Sea SystemsDEAN-68733$238.99RRP: $363.991842 M2 OLED Digital Bilge MeterThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display. The M2 Monitors include a... -
![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$341.99RRP: $520.991850 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...