Quick view Add to Cart Compare Blue Sea Systems Blue Sea 1820 Submersible Temperature Sensor [1820] $20.90 $15.99
Quick view Add to Cart Compare Blue Sea Systems Blue Sea 1821 Universal Temperature Sensor [1821] $19.87 $14.99
Quick view Add to Cart Compare Blue Sea Systems Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830] $364.20 $329.99
Quick view Add to Cart Compare Blue Sea Systems Blue Sea 1838 M2 AC Multimeter [1838] $384.59 $347.99
Quick view Add to Cart Compare Blue Sea Systems Blue Sea 1839 M2 OLED Tank Monitor [1839] $364.20 $329.99
Quick view Add to Cart Compare Blue Sea Systems Blue Sea 1841 M2 OLED Temperature Monitor [1841] $393.14 $357.99
Quick view Add to Cart Compare Blue Sea Systems Blue Sea 1842 M2 OLED Digital Bilge Meter [1842] $364.20 $328.99
Quick view Add to Cart Compare Blue Sea Systems Blue Sea 1850 M2 Vessel Systems Monitor [1850] $447.73 $368.99
Quick view Blue Sea Systems Blue Sea 1820 Submersible Temperature Sensor [1820] 1820 Submersible Temperature SensorFeatures:General temperature sensor designed to work for most applications.Easy double-sided tape installationFully Submersible (IP68)Wires connect in either... $20.90 $15.99 Add to Cart Compare
Quick view Blue Sea Systems Blue Sea 1821 Universal Temperature Sensor [1821] 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... $19.87 $14.99 Add to Cart Compare
Quick view Blue Sea Systems Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830] 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... $364.20 $329.99 Add to Cart Compare
Quick view Blue Sea Systems Blue Sea 1832 M2 DC Ammeter [1832] M2 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:... $364.20 $329.99 Add to Cart Compare
Quick view Blue Sea Systems Blue Sea 1833 M2 DC Voltmeter [1833] M2 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... $324.44 $294.99 Add to Cart Compare
Quick view Blue Sea Systems Blue Sea 1836 M2 AC Ammeter [1836] M2 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... $328.87 $297.99 Add to Cart Compare
Quick view Blue Sea Systems Blue Sea 1837 M2 AC Voltmeter [1837] M2 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:... $364.20 $328.99 Add to Cart Compare
Quick view Blue Sea Systems Blue Sea 1838 M2 AC Multimeter [1838] M2 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... $384.59 $347.99 Add to Cart Compare
Quick view Blue Sea Systems Blue Sea 1839 M2 OLED Tank Monitor [1839] M2 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... $364.20 $329.99 Add to Cart Compare
Quick view Blue Sea Systems Blue Sea 1841 M2 OLED Temperature Monitor [1841] M2 OLED Temperature 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... $393.14 $357.99 Add to Cart Compare
Quick view Blue Sea Systems Blue Sea 1842 M2 OLED Digital Bilge Meter [1842] 1842 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... $364.20 $328.99 Add to Cart Compare
Quick view Blue Sea Systems Blue Sea 1850 M2 Vessel Systems Monitor [1850] 1850 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... $447.73 $368.99 Add to Cart Compare