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Blue Sea Systems > Boating & Marine > Instruments & Navigation >

Blue-Sea-Systems Fishing Navigation Electronics 

  Buy now from the Blue-Sea-Systems Instruments & Navigation available at Overton's. Find your way with navigation instruments and gauges for your dashboard. We offer speedometers, tachometers, volt meters, fuel gauges, hour meters, temp gauges, trim gauges, and sending units. Our top brands include Teleflex, Faria, Furuno, Garmin, and Raymarine. You'll also find Ritchie Compasses, Barska Binoculars, and night vision gear from ATN.

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Blue Sea Systems Mini OLED Ammeter

New! Blue Sea Systems Mini OLED Ammeter

Key Features
  • Bright daylight-readable OLED screen

  • Compact size mounts in any convenient location

  • Monitors amperage from -100A to 100A DC

  • Reverse polarity protected

  • Mounts in standard 1-1/8" gauge hole

$69.99
Blue Sea Systems Mini OLED Temperature Monitor

New! Blue Sea Systems Mini OLED Temperature Monitor

Key Features
  • Bright daylight-readable OLED screen

  • Compact size mounts in any convenient location

  • Monitors temps from -40F to 250F

  • Reverse polarity protected

  • Mounts in standard 1-1/8" gauge hole

$54.99
Blue Sea Systems Vessel Systems Monitor Tank Sender for Diesel, Water, Waste

New! Blue Sea Systems Vessel Systems Monitor Tank Sender for ...

Key Features
  • For use with Vessel Systems Monitor VSM 422

  • Can be precisely calibrated for each tank

  • No mechanical parts to wear or cause signal loss

  • Digital filtering eliminates error due to sloshing

$124.99
Blue Sea Systems Battery Temperature Sensor For VSM422 Vessel Systems Monitor

New! Blue Sea Systems Battery Temperature Sensor For VSM422 ...

Key Features
  • For use with VSM422 Vessel Systems Monitor

  • Compact design

  • Fully sealed and corrosion-resistant

$15.99
Blue Sea Systems Universal Temperature Sensor

New! Blue Sea Systems Universal Temperature Sensor

Key Features
  • Use with M2 OLED and Mini OLED Meters

  • Waterproof design

  • -40F to 300F temperature range

  • 18"L wire

  • Includes double-sided tape

$15.99
Blue Sea DC Analog Voltmeters

Blue Sea DC Analog Voltmeters

Key Features
  • Easy to read characters

  • Senses and powers from 2-wire connection

  • Backlight requires separate connection

  • 1 mA current at full scale

  • Available in 2 sizes

2 models to choose from
$29.99 - $34.99
Blue Sea DC Analog Ammeters

Blue Sea DC Analog Ammeters

Key Features
  • Easy to read characters

  • Senses and powers from 2-wire connection

  • Larger meters include external DC shunt

  • Zero-Center Meters read discharge and charge

  • Available in 2 sizes

2 models to choose from
$34.99 - $69.99
Blue Sea DC Digital Voltmeters, 0-60V

Blue Sea DC Digital Voltmeters, 0-60V

Key Features
  • 9/19"H LED characters are easy to read

  • Splashproof front

  • Three levels of display brightness

  • Measures voltage from 0V to 60V Dc

2 models to choose from
$169.99 - $179.99
Blue Sea DC Digital Ammeter + Shunt, -500 to +500A

Blue Sea DC Digital Ammeter + Shunt, -500 to +500A

Key Features
  • Designed with a splashproof front

  • Displays amperage from -500A to +500A

  • 3 levels of display brightness

  • Applicable for a variety of DC systems

  • Includes 500A shunt

$199.99
Blue Sea AC Digital Voltmeter, 80-270V

Blue Sea AC Digital Voltmeter, 80-270V

Key Features
  • Designed with a splashproof front

  • Displays Voltage from 80 to 270 Volts

  • 3 levels of display brightness

  • Manual sleep mode for power consumption

$199.99
Blue Sea AC Digital Ammeter + Transformer, 0-150A

Blue Sea AC Digital Ammeter + Transformer, 0-150A

Key Features
  • Designed with a splashproof front

  • Displays amperage from 0A to 150A

  • 3 levels of display brightness

  • Manual sleep mode for power consumption

  • Includes 150A current transformer

$239.99
Blue Sea AC Digital Frequency Meter, 40-90Hz

Blue Sea AC Digital Frequency Meter, 40-90Hz

Key Features
  • Designed with a splashproof front

  • Displays frequency from 40 to 90 Hertz

  • 3 levels of display brightness

  • Manual sleep mode for power consumption

$199.99
Blue Sea AC Analog Voltmeters

Blue Sea AC Analog Voltmeters

Key Features
  • Marked in 5V increments in easy to read characters

  • Senses and powers from 2-wire connection

  • 50 mA at full scale

  • Backlight requires separate connection

  • Available in 2 sizes

2 models to choose from
$29.99
Blue Sea AC Analog Ammeters

Blue Sea AC Analog Ammeters

Key Features
  • Easy to read characters

  • Coil slipped over wire to be measured also powers

  • Includes external AC Current Transformer

  • Backlight requires separate connection

  • 50 mA meter current at full scale

2 models to choose from
$49.99 - $54.90

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