Single-Phase Multifunction Digital Power & Energy Meter with RS485 and Current Transformer
The Single-Phase Multifunction Digital Power Meter is an electrical monitoring instrument designed to measure voltage, current, active power, reactive power, power factor, frequency, and energy consumption.
Equipped with a digital LCD display, RS485 communication interface, and an included external Current Transformer (CT), this meter is suitable for electrical distribution panels, industrial automation, building energy monitoring, and power management applications.
The included blue split-core current transformer allows current measurement without directly routing the main load conductor through the meter.
Key Features
- Multifunction electrical measurement and monitoring
- Digital LCD display for real-time readings
- RS485 communication interface
- External split-core Current Transformer (CT) included
- Measures voltage, current, power, power factor, frequency, and energy
- Class 0.5 accuracy for specified electrical measurements
- Panel-mount design for electrical cabinets
- Suitable for industrial and commercial energy monitoring
Technical Specifications
| Parameter |
Specification |
| Product Type |
Single-Phase Multifunction Power Meter |
| Electrical System |
Single-Phase AC |
| Display |
Digital LCD |
| Communication Interface |
RS485 |
| Operating Supply |
AC/DC 85–265V |
| Current Measurement |
External Current Transformer |
| Current Transformer |
Included – Blue Split-Core CT |
| Current Measurement Range |
Depends on supplied CT rating |
| Voltage Accuracy |
Class 0.5 |
| Current Accuracy |
Class 0.5 |
| Active Power Accuracy |
Class 0.5 |
| Reactive Power Accuracy |
Class 0.5 |
| Power Factor Accuracy |
Class 0.5 |
| Frequency Accuracy |
±0.02Hz |
| Installation |
Panel Mount |
Measured Parameters
- AC Voltage (V)
- AC Current (A)
- Active Power (W)
- Reactive Power (var)
- Power Factor (PF)
- Frequency (Hz)
- Active Energy Consumption (kWh)
RS485 Communication
The built-in RS485 interface enables connection to compatible industrial monitoring systems, PLCs, and computers.
An appropriate RS485 converter may be required when connecting to Arduino, ESP32, Raspberry Pi, or a computer.
Note: The exact communication protocol and register map should be verified for the supplied model.
Applications
- Electrical Distribution Panels
- Industrial Energy Monitoring
- Building Management Systems
- Electrical Consumption Monitoring
- Factory Automation
- Equipment Power Monitoring
- Energy Management Projects
- Remote Monitoring Systems
Important Notes
- The included current transformer must be connected according to the meter's wiring diagram.
- Confirm the CT current ratio before configuring the meter.
- RS485 communication settings depend on the exact model.
- Electrical installation should be performed by qualified personnel.
- Do not disconnect a current-output CT secondary while its primary conductor is energized.
Package Includes
- 1 × Single-Phase Multifunction Digital Power Meter with LCD Display
- 1 × Blue Split-Core Current Transformer (CT)
