Meters & Monitoring

Know your power. Monitor your systems. Stay prepared.

Shop marine battery monitors, voltmeters, ammeters, digital electrical meters, battery gauges, current monitors and power-monitoring accessories for sailboats, powerboats, yachts and other marine applications.

Monitor the system. Manage your power. Keep exploring.

111 products

  • Blue Sea 1739200 Mini OLED Tank Meter Blue 1739200Blue Sea 1739200 Mini OLED Tank Meter Blue 1739200
    Blue Sea 1739200 Mini OLED Tank Meter Blue 1739200Blue Sea 1739200 Mini OLED Tank Meter Blue 1739200
    Save $5.00 USD
    Blue Sea Systems

    Blue Sea 1739200 Mini OLED Tank Meter - Blue [1739200]

    $56.99 USD
    $56.99 USD $61.99 USD

    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 1739 Mini OLED Tank Meter Yellow 1739
    Blue Sea 1739 Mini OLED Tank Meter Yellow 1739
    Save $5.00 USD
    Blue Sea Systems

    Blue Sea 1739 Mini OLED Tank Meter - Yellow [1739]

    $56.99 USD
    $56.99 USD $61.99 USD

    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...
  • Victron Nucleo GX BPP900453100Victron Nucleo GX BPP900453100
    Victron Nucleo GX BPP900453100Victron Nucleo GX BPP900453100
    Save $38.25 USD
    Victron Energy

    Victron Nucleo GX [BPP900453100]

    $216.75 USD
    $216.75 USD $255.00 USD

    Nucleo GXThe Nucleo GX is a compact, high-performance GX device that offers Ekrano GX-level speed at a lower cost.Powered by a quad-core processor, it connects up...
  • SeaDog Round Voltage Meter 6V30V 4216151
    SeaDog Round Voltage Meter 6V30V 4216151
    Sea-Dog

    Sea-Dog Round Voltage Meter - 6V-30V [421615-1]

    $21.95 USD
    $21.95 USD $0.00 USD

    Round Voltage Meter - 6V-30VCompact size allows for installation in a variety of locations - the same round size as a standard 12V receptacle. For interior...
  • Blue Sea 8015 DC Analog Voltmeter wPanel 8015Blue Sea 8015 DC Analog Voltmeter wPanel 8015
    Blue Sea 8015 DC Analog Voltmeter wPanel 8015Blue Sea 8015 DC Analog Voltmeter wPanel 8015
    Save $22.00 USD
    Blue Sea Systems

    Blue Sea 8015 DC Analog Voltmeter w/Panel [8015]

    $130.99 USD
    $130.99 USD $152.99 USD

    8015 DC Analog Voltmeter with PanelFeatures: 8003 DC Analog Voltmeter 8-16 V DC 3 Position switch for multiple battery banks Voltmeter mounted in 0.125" Aluminum 5052...
  • Blue Sea 8242 Shunt Adapter for DC Digital Ammeter 8242
    Blue Sea 8242 Shunt Adapter for DC Digital Ammeter 8242
    Save $9.00 USD
    Blue Sea Systems

    Blue Sea 8242 Shunt Adapter for DC Digital Ammeter [8242]

    $101.99 USD
    $101.99 USD $110.99 USD

    Shunt Shifter Shunt Adapter for DC Digital Ammeter positive side shunt applications, such as alternator measurement The Shunt Shifter is designed for use with Blue Sea...
  • Blue Sea 1732200 Mini OLED Ammeter Blue 1732200Blue Sea 1732200 Mini OLED Ammeter Blue 1732200
    Blue Sea 1732200 Mini OLED Ammeter Blue 1732200Blue Sea 1732200 Mini OLED Ammeter Blue 1732200
    Save $9.00 USD
    Blue Sea Systems

    Blue Sea 1732200 Mini OLED Ammeter - Blue [1732200]

    $93.99 USD
    $93.99 USD $102.99 USD

    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 location...
  • Balmar Communication Cable fSG200 5M SG20403
    Balmar Communication Cable fSG200 5M SG20403
    Balmar

    Balmar Communication Cable f/SG200 - 5M [SG2-0403]

    $83.89 USD
    $83.89 USD $0.00 USD

    Communication Cable for SG200 - 5MBalmar's communication cable specifically for the SG200. 5 Meters in length.This product may not be returned to the original point of...
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