3 Phase Harmonic Multifunction Power Meter with Display
Product No.: ZH-4041H
3 Phase Harmonic Multifunction Power Meter with LED Display and RS485 Modbus RTU
Product Overview
The 4041H Harmonic Multifunction Power Meter is an advanced electrical monitoring device designed for comprehensive energy measurement and power quality analysis in industrial and commercial power systems.
The meter combines precision electrical parameter measurement, harmonic monitoring, power quality assessment, energy metering, communication, alarm control, and local display functions into a single compact device.
With support for harmonic analysis up to the 31st order and power quality diagnostics such as voltage imbalance, current imbalance, sequence components, crest factor, K-factor, and telephone influence factor, the device provides valuable insight into the operating condition of electrical distribution systems.
Real-time monitoring of:
- Phase Voltage
- Line Voltage
- Phase Current
- Active Power (kW)
- Reactive Power (kVar)
- Apparent Power (kVA)
- Power Factor
- Frequency
- Four-Quadrant Energy
2.Harmonic Analysis up to 31st Order
Supports harmonic monitoring for:
- Voltage Harmonics (2nd–31st)
- Current Harmonics (2nd–31st)
Benefits
- Detect harmonic pollution
- Identify non-linear loads
- Improve power quality management
- Reduce equipment overheating
3.Advanced Power Quality Analysis
Provides comprehensive power quality indicators including:
- Voltage Crest Factor
- Current K-Factor
- Telephone Influence Factor (TIF)
- Voltage Unbalance
- Current Unbalance
- Positive Sequence Component
- Negative Sequence Component
- Zero Sequence Component
4.Four-Quadrant Energy Metering
Measures:
- Forward Active Energy
- Reverse Active Energy
- Forward Reactive Energy
- Reverse Reactive Energy
5.RS485 Modbus RTU Communication
Built-in industrial communication interface:
- RS485
- Modbus RTU Protocol
- 1200~19200bps Adjustable Baud Rate
- PLC Systems
- SCADA Platforms
- Energy Management Systems
- Building Automation Systems
6.Integrated Alarm and Control Functions
1 Relay Output
- Local alarm control
- Remote control operation
Digital Input
1 Dry Contact Input
Supports remote status monitoring and event collection.
Technical Specifications
Voltage input
Current Input
Item
Specification
Rated Voltage
100V / 400V AC
Accuracy
Class 0.2
Overload
120% Continuous
Instantaneous Overload
200% / 1s
Input Impedance
>1.8MΩ
Harmonic Measurement
Item
Specification
Rated Current
100mA / 1A / 5A AC
Accuracy
Class 0.2
Overload
120% Continuous
Instantaneous Overload
10× / 5s
Input Impedance
<15mΩ
Communication
Item
Specification
Harmonic Range
2nd–31st
Measurement Type
Voltage & Current
Accuracy
1%
Environmental Conditions
Item
Specification
Interface
RS485
Protocol
Modbus RTU
Baud Rate
1200~19200bps
Applications
Item
Specification
Operating Temperature
-10°C to +55°C
Storage Temperature
-20°C to +85°C
Auxiliary Power
AC/DC 85~265V
Power Consumption
<5VA
Insulation Resistance
>5MΩ
Dielectric Strength
>2kV
1.Substation Automation
Monitor electrical parameters and harmonic distortion in medium and low-voltage substations.
2.Power Distribution Systems
Track energy consumption, power quality, and load performance across distribution networks.
3.Industrial Manufacturing
Monitor motors, inverters, and production equipment to improve operational efficiency.
4.Smart Buildings
Provide accurate energy monitoring and power quality management for commercial buildings.
5.Renewable Energy Systems
Suitable for photovoltaic, energy storage, and microgrid monitoring applications.
FAQ
1.What parameters can this multifunction power meter measure?
The meter measures voltage, current, active power, reactive power, apparent power, power factor, frequency, energy consumption, harmonics, and power quality indicators.
2.Does the meter support harmonic analysis?
Yes. It supports voltage and current harmonic measurement from the 2nd to the 31st harmonic order.
3.Is Modbus communication supported?
Yes. The device features an RS485 communication interface and supports the standard Modbus RTU protocol.
4.Can it monitor power quality?
Yes. It provides voltage/current imbalance, sequence components, crest factor, K-factor, telephone influence factor, and harmonic distortion analysis.
5.Is the meter suitable for energy management systems?
Yes. It can be integrated with PLCs, SCADA systems, EMS platforms, and industrial automation systems through Modbus RTU communication.
