SENTOP Multifunction Digital Panel Meter
High-Precision LCD Display | RS485 Modbus-RTU Communication
Intelligent Power Monitoring Solution
The SENTOP RS485 LCD Series is a high-performance multifunction power meter designed for comprehensive monitoring of electrical distribution systems. It measures and displays all key three-phase electrical parameters, including voltage, current, active power, reactive power, power factor, frequency, and bidirectional energy. Equipped with a large backlit LCD and RS485 Modbus-RTU communication, it integrates seamlessly into SCADA systems and energy management platforms for real-time data acquisition and remote monitoring.
Technical Specifications
| Category | Technical Data / Parameter |
|---|---|
| Measurement Parameters | 3-Phase Voltage (U), Current (I), Frequency (F), Power (P, Q, S), Power Factor (PF), Energy (kWh, kVarh) |
| Accuracy Class | Voltage/current: 0.2 level/0.5 level; Power: Level 0.5; Active energy: 0.5S level |
| Input Range (Voltage) | AC 100V, 220V, 380V, 400V (Direct); Up to 999.9kV (with PT) |
| Input Range (Current) | AC 1A / 5A (Direct); Up to 9999A (with CT) |
| Frequency Range | 45 – 65Hz |
| Communication Interface | RS485, Modbus-RTU Protocol; Baud rate up to 9600bps |
| Auxiliary Power Supply | AC/DC 85V – 265V or AC 220V |
| Display Type | High-definition Blue/White Backlit LCD Screen |
| Standard Dimensions | 96x96mm, 80x80mm, 72x72mm, 120x120mm |
| Dielectric Strength | Housing/Terminal: AC 2kV/1min; Insulation Resistance: ≥ 100MΩ |
| Environment | Operation: -10°C to +55°C; Storage: -25°C to +70°C |
Advanced Measurement
- True RMS: Accurate measurement even in harmonically distorted environments.
- Bidirectional Metering: Supports import and export active energy calculation.
- Programmable CT/PT: Flexible transformation ratios for high-voltage and high-current monitoring.
Quality & Design
- Industrial Protection: Front panel rated IP54/IP65 (optional) against dust and moisture.
- Flame Retardant Housing: Premium ABS+PC casing for enhanced electrical safety.
- Easy Installation: Standard panel-mount clips for quick cabinet integration.
Industry Applications
🏭 Smart Factories
Real-time energy monitoring for production lines to optimize power consumption.
☁️ Data Centers
Critical power load tracking to ensure server stability and thermal efficiency.
⚡ Smart Grid
Integration with substation control cabinets for remote telemetry and automated billing.
Request Technical Support or Custom Configuration
SENTOP provides professional OEM/ODM services and high-volume wholesale pricing for smart panel meters.
