3.7V to 30V Digital Voltmeter Panel Meter | 3-Wire DC Voltage Tester | 0.56 Inch Red LED Display

Technical Specifications

• Product Type: Digital DC Voltmeter Panel Meter
• Voltage Measurement Range: 3.7V to 30V DC
• Display Type: 0.56 inch 7-segment LED
• Display Color: Red
• Wiring Type: 3-Wire (Red, Black, Yellow)
• Power Supply: Self-powered from measured voltage
• Measurement Accuracy: ±1% (typical)
• Refresh Rate: Fast real-time display
• Mounting Type: Panel mount
• Operating Temperature: Suitable for standard indoor use
• Body Material: ABS plastic housing

Product Description

The 3.7V to 30V Digital Voltmeter Panel Meter is a compact and reliable solution for real-time DC voltage measurement. Featuring a bright 0.56-inch red LED display, it provides clear and accurate readings, making it ideal for battery monitoring, power supplies, and DIY electronics projects.

This 3-wire DC voltmeter is self-powered directly from the measured voltage, eliminating the need for an external power source. Its panel-mount design allows easy installation in project boxes, enclosures, and control panels.

Perfect for lithium battery systems, robotics, IoT devices, solar projects, and student learning kits, this voltmeter is a must-have tool for hobbyists, technicians, and electronics enthusiasts.