Multifunction Meters are integrated measurement and monitoring devices used in electrical systems. They can simultaneously monitor voltage, current, power, power factor, energy, and frequency, while supporting alarms, data logging, remote monitoring, and communication functions. Typically installed in low- or medium-voltage distribution systems, they play a key role in power monitoring, energy management, and system protection.

Our Multifunction Meters

Multifunction Meter
Multifunction Meter Design & Smart Features
We provide intelligent monitoring solutions for modern electrical systems.
LCD / LED Display
Clear and real-time data visualization.
Compact Modular Design
Suitable for switchgear panels and distribution boards.
Data Recording Function
Stores historical energy consumption data.
Alarm Functions
- Overvoltage alarm
- Overcurrent alarm
- Power threshold alerts


How to Choose the Right Multifunction Meter
Selecting the right meter ensures accurate measurement and efficient energy management.
- System Type
Single-phase or three-phase system requirements.
- Accuracy Level
Choose based on required measurement precision.
- Communication Requirements
RS485 / Modbus or basic display-only models.
- Installation Type
Panel-mounted or DIN rail-mounted.
- Application Scenario
Industrial, commercial, or infrastructure systems.
Why Choose Our Multifunction Meters
Years of Manufacturing Experience
Custom Engineering
In-house Engineering Team
Strict Quality Control
Global Export Projects
Fast Lead Time
Applications of Multifunction Meters
Technical Features of Multifunction Meters
Our multifunction meters are designed for high precision, reliability, and smart energy management.
Measurement Parameters
- Voltage (V)
- Current (A)
- Active power (kW)
- Reactive power (kVar)
- Energy consumption (kWh)
- Frequency (Hz)
- Power factor (PF)
High Accuracy Performance
- Accuracy class: 0.5 / 1.0 optional
- Long-term stable measurement
Communication Capability
- RS485 interface
- Modbus-RTU protocol
- Compatible with SCADA and BMS systems

Project References & Global Applications
















“The multifunction meters from Wondon provide accurate readings and help us monitor our energy consumption in real time. Installation was easy.”

“We deployed these meters across our industrial facility. They offer reliable performance, and the team provided excellent guidance on integration with our existing system.”

“These meters are robust and easy to read. Remote monitoring and data logging have greatly improved our energy management.”

FAQs about Multifunction Meters
1. What is a multifunction meter?
A multifunction meter is an electrical measurement device that simultaneously monitors voltage, current, power, power factor, frequency, energy consumption, and other electrical parameters, helping users understand the status of the power system.
2. What are the main functions of a multifunction meter?
Real-time measurement of voltage, current, power, and frequency; energy metering (active, reactive, apparent); power factor monitoring; peak and average recording; remote communication and data export support.
3. What electrical parameters can a multifunction meter monitor?
Voltage (U), current (I), active power (P), reactive power (Q), apparent power (S), power factor (PF), frequency (Hz), energy (kWh/kVarh), voltage/current harmonics, peaks, and alarm events.
4. What should be considered during the installation of a multifunction meter?
Ensure proper wiring, including current transformers (CT) and voltage transformers (PT/VT); keep the device clean and ventilated; and avoid high temperatures, humidity, and strong electromagnetic interference.
5. Does a multifunction meter require high maintenance?
Low maintenance, mainly checking terminal connections, cleaning the meter surface, periodic calibration of electrical parameters, and function testing.


We are the Wondon sales team. Share your project details and requirements with us, and we’ll provide timely consultation and quoting services.

Qiang Chen

Tracy Lee

Hannah Wu

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