Mini DC Digital Voltmeter – 0.28" LED Panel Meter 4.5V–100V
Mini DC Digital Voltmeter – 0.28" LED Panel Meter 4.5V–100V
Mini DC Digital Voltmeter with Bright LED Display
Keep accurate tabs on your DC voltage with this compact three-wire digital voltmeter head. Featuring a vivid 0.28-inch red LED display, this mini panel meter is easy to read at a glance and simple to wire into any DC circuit. Its wide voltage measurement range makes it a versatile addition to electronics workbenches, DIY power supplies, battery monitors, computer builds, and more.
Key Features
- Dual Voltage Range: Measures DC 4.5V–30V or DC 0–100V depending on configuration — covers a broad spectrum of DC applications
- 0.28-Inch LED Display: Bright, easy-to-read three-digit red LED readout, visible even in low-light environments
- Three-Wire Design: Standard three-wire hookup for flexible integration into existing circuits
- Compact DIP Form Factor: Ultra-small footprint fits neatly into panel cutouts on enclosures, project boxes, and DIY builds
- Wide Operating Temperature: Reliable performance from -10°C to +65°C
- Low Power Consumption: Dissipation power of just 10W keeps your build efficient
- No High-Concern Chemicals: Built without hazardous substances for safe everyday use
- Made in Mainland China
Specifications
| Display | 0.28-inch 3-digit LED |
| Voltage Range | DC 4.5V–30V / DC 0–100V |
| Wiring | Three-wire |
| Package Type | DIP |
| Dissipation Power | 10W |
| Operating Temperature | -10°C to +65°C |
| Quantity | 1 piece |
| Condition | New |
Perfect For
- DIY electronics projects and power supply monitors
- Computer case voltage displays
- Battery charge level indicators
- Automotive and hobby voltage monitoring
- Workshop bench testers and custom enclosures
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Frequently Asked Questions
Q: What voltage ranges does this mini DC digital voltmeter support?
A: This voltmeter supports two configurations: DC 4.5V to 30V for lower-voltage circuits, and DC 0 to 100V for higher-voltage applications, making it highly versatile for a wide range of DIY and electronics projects.
Q: How do I connect this three-wire voltmeter to my circuit?
A: The three-wire design uses a standard connection method — typically two wires for the power supply (VCC and GND) and one wire for the measurement input. Refer to the wiring diagram included with the unit for correct hookup specific to your voltage range.
Q: What display type does this voltmeter use, and how visible is it?
A: It features a 0.28-inch three-digit red LED display that provides a clear, bright reading even in dim lighting conditions, making it ideal for panel-mounted installations inside enclosures or on workbenches.
Q: What is the operating temperature range for this voltmeter?
A: This DC digital voltmeter head operates reliably between -10°C and +65°C, making it suitable for indoor workshop environments as well as moderately temperature-variable conditions.