Our daylight readable Blue Sea 1733 Mini OLED DC Voltmeter mounts in a standard 1 1/8″ 12V / USB hole. This Blue Sea 1733 voltmeter display is a crisp and clear digital readout visible during the day, and not too bright at night using OLED technology.
Extremely simple to install with only two terminals… a positive and a negative.
Accurate voltage measurement with 10mV (0.01 volt) accuracy. This little guy is a super easy upgrade to the old cigarette lighter socket you never use.
Keeping an eye on battery voltage is the easiest way to monitor the state of charge of your battery.
Blue Sea 1733 Mini OLED DC Voltmeter Features:
- Monitors DC voltage on a bright, waterproof, daylight-readable OLED screen
- Functions:
- Indicates battery power 8 – 36V DC
- Compact size enables mounting in any convenient location
- Waterproof (IP66)
- Reverse polarity protected
- Mounts in common 1-1/8″ hole
- High contrast and resolution
- Visible from wide viewing angle
- Visible with polarized sunglasses
Blue Sea 1733 Mini OLED DC Voltmeter Specifications:
- Blue Sea Systems Model No. 1733
- Installation (Cut-Out) Diameter: 1-1/8″ (29 mm)
- Dial: Black with bright, easy-to-read OLED display
- Input Type: Electrical
- Nominal Voltage: 12/24V DC
- Current Draw: 15 mA max
- Voltage Accuracy: ± 1.0%
- Ingress Protection (gauge front): IP66 (Dustproof/protected against heavy seas and powerful jets of water)
Monitors DC voltage on a bright, waterproof, daylight-readable OLED screen
- Compact size enables mounting in any convenient location
- IP66 waterproof
- Reverse polarity protected
- Mounts in a common 1-1/8 in hole
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to