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Blue Sea 1739 Mini OLED Tank Meter - Yellow1739 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 locationReverse polarity protectedMounts in a common 1-1/8...$104.29$61.96 -
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Blue Sea 1739200 Mini OLED Tank Meter - Blue1739200 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 locationReverse polarity protectedMounts in a common 1-1/8...$104.29$61.96 -
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Blue Sea 1741 Mini OLED Temperature MeterMini OLED Temperature MeterMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screenCompact size enables mounting in any convenient locationReverse polarity protectedMounts in a common 1-1/8" holeConvenient...$141.09$82.06 -
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Blue Sea 1741200 Mini OLED Temperature Monitor - Blue1741200 Mini OLED Temperature Monitor - BlueMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features:Compact size enables mounting in any convenient locationReverse polarity protectedMounts in a...$141.09$82.06 -
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Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level1810Features: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 eliminating any mechanical moving parts that can wear and cause...$211.24$114.89 -
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Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level1811Features: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 eliminating any mechanical moving parts that can wear and cause...$261.84$141.25 -
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Blue Sea 1820 Submersible Temperature Sensor1820 Submersible Temperature SensorFeatures:General temperature sensor designed to work for most applications.Easy double-sided tape installationFully Submersible (IP68)Wires connect in either orderWorks will all Blue Sea Systems devices that require a...$44.49$27.45 -
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Blue Sea 1821 Universal Temperature SensorUniversal 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 150°C)Wire Length: 18"WARNING: This product can expose you to...$37.59$24.11 -
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Blue Sea 1830 M2 DC SoC State of Charge MonitorM2 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 Easy to adjust 92dB alarm on all models Isolated MOSFET...$584.99$326.38 -
Out of Stock
Out of stock Blue Sea Systems
Blue Sea 1832 M2 DC AmmeterM2 DC AmmeterMonitors DC Amperage with large, bright display. Accurately measure and monitor the amperage of your DC system. (measures 2 circuits) Supports programmable shunt ratios. Features: Auto-dimming, bright OLED display is easy to read Easy to...$584.99$326.38 -
Out of Stock
Out of stock Blue Sea Systems
Blue Sea 1833 M2 DC VoltmeterM2 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 adjust 92dB alarm on all models Isolated MOSFET...$524.04$293.08 -
Out of Stock
Out of stock Blue Sea Systems
Blue Sea 1836 M2 AC AmmeterM2 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 circuits)Features: Auto-dimming, bright OLED display is...$529.79$296.35