Red 0.56inch AC220V Two Wire AC Voltmeter – 70V ~ 500V
The Red 0.56inch AC220V Two Wire AC Voltmeter is a compact, efficient, and easy-to-use panel meter designed to measure AC voltages from 70V to 500V. With a bright red LED display and simple two-wire connection, this module is ideal for home, industrial, and DIY applications.
Wiring the Red 0.56inch AC220V Two Wire AC Voltmeter is straightforward: connect the red wire to the live terminal and the black wire to the neutral terminal. It also includes reverse connection protection, preventing damage from wiring mistakes. No external power source is required, as the meter operates directly from the measured voltage.
For accuracy, the Red 0.56inch AC220V Two Wire AC Voltmeter automatically adjusts its decimal point position based on the measured voltage. It consumes very little current (typically 5–15 mA), updates readings every 300 ms, and provides accuracy up to ±0.1V. Thanks to its matt-finish display glass, the red digits remain clear and easy to read even in bright daylight conditions.
Lightweight, durable, and reliable, the Red 0.56inch AC220V Two Wire AC Voltmeter is perfect for monitoring household circuits, checking appliance performance, or integrating into custom electrical projects where quick voltage monitoring is needed.
🔧 Key Features
- 0.56-inch red LED AC panel voltmeter
- Measures 70V to 500V AC directly
- Simple two-wire input system
- No external power source required
- Reverse polarity protection built-in
- Matt-finish display for clear visibility
📐 Technical Specifications
| Product Name | Red 0.56inch AC220V Two Wire AC Voltmeter – 70V ~ 500V |
| Product Type | Digital AC Voltmeter |
| Display Size | 0.56 inch LED display |
| Voltage Range | 70V – 500V AC (optimal 70–380V) |
| Connection Type | Two-wire (Red: Live, Black: Neutral) |
| LED Color | Red |
| Current Consumption | 5–15 mA (max 20 mA) |
| Accuracy | ±0.1 V |
| Refresh Interval | Approx. 300 ms per reading |
| Operating Voltage | Self-powered (no external supply) |
| Body Color | Black casing with matt finish glass |
| Weight | ~20 g |
| Protection | Reverse polarity safeguard |

📌 Applications
- Monitoring household AC mains voltage
- Testing electrical appliances and equipment
- Voltage monitoring in industrial circuits
- DIY and embedded AC projects
- Panel installation for safety monitoring
💡 Why Choose This Product?
The Red 0.56inch AC220V Two Wire AC Voltmeter offers dependable performance in a small form factor. With its red LED display, reverse polarity protection, and simple two-wire operation, it is an excellent choice for professionals, electricians, and hobbyists who need reliable AC voltage monitoring without external power.
📦 Package Includes
- 1 × Red 0.56inch AC220V Two Wire AC Voltmeter (70V ~ 500V)













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