Mini Digital Voltmeter 0–100V DC — 0.39″ 3-Wire, Red Display

Mini Digital Voltmeter 0–100V DC — 0.39″ 3-Wire, Red Display

A compact 0.39-inch 3-digit LED digital voltmeter measuring 0–100V DC with a classic red display — 3-wire configuration with separate power supply and measurement inputs. The red display is the most traditional and widely recognized color for panel meters — high brightness and excellent visibility in all lighting conditions. No shunt resistor required. Resolution: 0.1V.

Key Specifications

• Measurement range: 0–100V DC | Resolution: 0.1V
• Accuracy: ±1% ±0.1V | Display: 0.39″ 3-digit LED (Red)
• Wiring: 3-wire (separate VCC, GND, and measurement input)
• Power supply: 4.5–5.5V DC (separate from measured voltage)
• Panel cutout: 45×26mm
• Compliance: RoHS compliant

Typical Applications

• DIY bench power supply voltage display
• Battery voltage monitor (12V, 24V, 48V systems)
• Solar panel and charge controller voltage display
• Electronics enclosure voltage indicator
• Arduino project voltage monitoring display

Enjoy free standard shipping on all orders over $199 USD. Orders are processed within 1–2 business days.

Not satisfied? Return any item within 90 days of purchase for a full refund or exchange. Items must be in original condition.

We are committed to quality, reliability, and customer satisfaction. Every product is carefully selected and tested to meet the highest standards.