About this item

The 0.28 Inch 0-100V Three Wire DC Voltmeter Blue is a compact and efficient digital voltage measurement tool designed for a wide range of applications. With a measuring range of 0 to 100 VDC, this voltmeter is ideal for monitoring battery voltages in vehicles, power supplies, and other electronic systems. Its small size, measuring just 0.28 inches, allows for easy integration into tight spaces, making it suitable for DIY projects, robotics, and embedded systems. Equipped with a bright blue LED display, the voltmeter ensures clear visibility even in low-light conditions. The device operates with a current consumption of less than 20 mA, making it energy-efficient. It features an accuracy of 0.1 V and a refresh speed of approximately 200 milliseconds, providing real-time voltage readings. The voltmeter is designed for easy installation with three wires: red for the positive power supply, black for the negative power supply and measurement ground, and yellow for the positive measurement voltage. It also includes reverse polarity protection to prevent damage from incorrect wiring. Whether you're working on automotive electronics, battery-powered devices, or other voltage monitoring applications, this voltmeter offers a reliable and cost-effective solution.