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![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$47.99RRP: $81.991739 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$47.99RRP: $81.991739200 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$66.99RRP: $113.99Mini 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$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 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$127.99RRP: $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 1820 Submersible Temperature Sensor [1820]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/2821/3413/38072XL__72170.1715720801.jpg?c=1 "Blue Sea 1820 Submersible Temperature Sensor [1820]")
Blue Sea 1820 Submersible Temperature Sensor [1820]
Blue Sea SystemsDEAN-38072$17.99RRP: $29.991820 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-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 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 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 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$290.99RRP: $498.991842 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$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...