Enhance your electrical monitoring with this high-precision Digital Voltmeter Ammeter, designed to simultaneously display voltage and current readings with clear, easy-to-read digital output. Crafted with reliable PCB material, this versatile meter offers multiple measuring ranges to suit various working scenarios, making it an essential tool for electronic equipment testing, circuit protection, wiring, and maintenance tasks. Key Features: · Dual Digital Display: Features a double three-digit 0.28-inch LED digital tube that shows both voltage and current simultaneously in red and blue colors for quick and accurate readings. · Wide Measuring Range: Supports voltage measurement from 0V to 100V and selectable current test ranges of 0-10A, 0-50A, and 0-100A to accommodate diverse applications. · High Accuracy and Fast Response: Voltage error of ±0.1% and current error of ±1% ensure precise measurements, with a refresh speed of approximately 300ms for real-time monitoring. · User-Friendly Design: Compact and lightweight with a humanized interface, this digital meter is easy to install, operate, and carry, providing convenience for both professionals and hobbyists. · Low Power Consumption: Operates efficiently with a working current below 20mA and supports a DC power supply range of 4-30V for flexible integration. · External Shunt Resistor: Includes a 75 milliohms external separator specification for accurate current sensing and reliable performance. Specifications: · Item Type: Digital Voltmeter Ammeter · Material: PCB · Measuring Range: 0V-100V · Test Range: 0-10A, 0-50A, 0-100A · Power Supply Range: DC 4-30V · Voltage Error: ±0.1% · Current Error: ±1% · External Separator Specifications: 75 milliohms · Working Current: <20mA · Refresh Speed: About 300ms per update · Display Mode: Double three-digit 0.28-inch LED digital tube · Display Color: Red and blue This Digital Voltmeter Ammeter is a reliable and practical solution for accurate voltage and current monitoring in various electronic and electrical applications. Its compact size, high sensitivity, and stable performance make it ideal for circuit guards, maintenance, wiring, and other technical operations where precision and ease of use are paramount.