Blue Sea Mini OLED Voltmeter

Blue Sea Mini OLED Voltmeter is a compact and highly accurate voltage monitoring instrument designed for boats, RVs, and other 12 V and 24 V electrical systems. It displays real-time voltage on a crisp OLED screen that remains easy to read even in direct sunlight. Its waterproof construction and high measurement precision make it an excellent choice for reliable onboard battery monitoring. By keeping track of battery voltage, you can quickly detect electrical issues and ensure your system is operating safely and efficiently. The Blue Sea Mini OLED Voltmeter provides fast, clear, and precise readings to help you maintain full control of your power system. Clear OLED display in all lighting conditions The modern OLED display offers excellent readability in both bright daylight and low-light conditions. The high-contrast screen makes it easy to monitor battery and charging status without interpreting analog gauges or small digits. The yellow display enhances visibility and ensures clear reading from the helm or installation point. Accurate voltage monitoring With a measurement accuracy of ±1% and a resolution of 0.01 V, the voltmeter delivers precise and reliable readings. This allows you to closely monitor battery condition and verify proper charging system performance. The wide input range of 8–36 V makes it compatible with both 12 V and 24 V systems. Built for marine environments The waterproof construction makes it suitable for harsh marine conditions. Reverse polarity protection adds an extra layer of safety during installation and operation. Thanks to OLED technology, the display offers a lifespan of up to 100,000 hours, ensuring long-term, maintenance-free use. Easy installation The unit fits a standard 1-1/8″ (28.6 mm) mounting hole, allowing for quick and clean installation in both new and existing instrument panels. Features: • Clear OLED voltage display • Excellent readability in direct sunlight • Waterproof construction • Compatible with 12 V and 24 V systems • High-precision voltage measurement • Reverse polarity protection • Long service life up to 100,000 hours • Easy installation in standard cutouts Technical Specifications: • Instrument type: Voltmeter • Display color: Yellow • Rated voltage: 12 V DC / 24 V DC • Input range: 8–36 V DC • Resolution: 0.01 V DC • Accuracy: ±1.0% • Current consumption: 15 mA • Lifespan: 100,000 hours • Mounting hole: 1-1/8″ (28.58 mm) • Operating temperature: -40 °C to +70 °C The Blue Sea Mini OLED Voltmeter is an excellent choice for boat owners and vehicle users who want precise, real-time monitoring of their electrical system. Its sharp OLED display, compact design, and reliable performance make it a smart upgrade for any modern power setup.