The Smallest Ever 0.5 Inch OLED Digital Voltmeter 0-30V Ultra Thin High Precision 2/3 Wire New Arrival
€2389
The Smallest Ever 0.5 Inch OLED Digital Voltmeter 0-30V Ultra Thin High Precision 2/3 Wire New Arrival
DH-1445-51a50a995aeba07ebca0c2d5
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City: EN, Sheridan
Description
Innovative Mini OLED Voltmeter – The Smallest Ever in the Market
Upgrade your voltage monitoring with this brand new 0.5-inch ultra-compact OLED digital voltmeter. Designed for space-limited projects, it’s smaller than your finger and replaces traditional bulky digital tubes with modern OLED technology.
Key Features
✅ The Smallest Ever Design
Ultra-thin version: 15×18×3.2mm
Regular version: 15×18×4.2mm
Tiny body fits almost anywhere – ideal for cars, motorcycles, DIY electronics, and small devices.
✅ Innovative OLED Display
0.5-inch high-brightness white OLED screen
3-digit display with automatic decimal point shift
Clear and easy to read, much better than old LED digital tubes
✅ High Precision Measurement
High accuracy: 0.08%
Measurement error: ±0.7%
Wide measuring range: DC 0–30V
Working voltage: DC 3.5–30V
Working current: <20mA
Refresh rate: 5Hz (default) / 10Hz (short B)
✅ 2-Wire & 3-Wire Connection Modes
2-wire mode: Power and measurement share the same input (3.5–30V)
3-wire mode: Independent power supply, supports 0–30V full range measurement
Function Configuration
Short A: Turn off “V” symbol display
Short B: Switch refresh rate from 5Hz to 10Hz
Wiring Diagram
2-Wire Connection
G → Negative
V & V+ → Positive
3-Wire Connection
G → Common negative
V → Power positive
V+ → Measured positive
Application Scenarios
Car & motorcycle battery monitoring
DIY electronics & Arduino projects
Power supply testing
Battery packs and portable devices
Industrial control and small equipment
Specifications
Display: 0.5 inch OLED white 3-digit
Measure range: DC 0–30V
Supply voltage: 3.5–30V
Accuracy: 0.08%
Size: 15×18×3.2mm / 15×18×4.2mm
Connection: 2-wire / 3-wire
Package Includes
1 × Mini OLED Digital Voltmeter
Product specifications
| Country of origin | China |
|---|
Features
Variant
Color: Beige [12000057347518132]
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