Description
The 0.56-Inch Three-Wire DC Voltmeter is a reliable and easy-to-read voltage monitoring module, ideal for applications such as power supply diagnostics, battery monitoring, and embedded systems. With a bright red LED display and a measurement range of 0 to 30V DC, this voltmeter provides accurate real-time voltage readings for a wide range of electronic projects.
Its three-wire design allows for independent power and measurement inputs, ensuring stable operation even when monitoring voltages lower than the module’s power supply.
Key Features
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Wide Voltage Measurement Range: Monitors DC voltages from 0V to 30V
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Large 0.56-Inch Display: Bright red 3-digit LED for clear visibility
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Three-Wire Design: Enables more stable readings, especially at low voltages
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High Accuracy: ±1% measurement precision
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Reverse Polarity Protection: Protects the module from incorrect wiring
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Panel Mountable: Easily fits into enclosures or dashboards for permanent installations
Technical Specifications
| Parameter | Value |
|---|---|
| Display Type | 0.56″ 3-digit Red LED |
| Measurement Voltage Range | DC 0V – 30V |
| Operating Voltage | DC 4.5V – 30V |
| Measurement Accuracy | ±1% |
| Current Consumption | < 20mA |
| Refresh Rate | Approx. 200ms |
| Wiring Type | 3-wire (V+, GND, and sense wire) |
| Dimensions | Approx. 48mm × 29mm × 22mm |
Package Includes
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1 × 0.56-Inch 0–30V DC Voltmeter (Three-Wire, Red LED)
