Harmonic Three-Phase Multifunction Power Meter with LED Display RS485 Modbus RTU Power Quality Analyzer
Product No.: ZH-4041H
Current Ranges: 100mA, 1A, 5AAC
Voltage Ranges: 100V, 400VAC (Phase voltage range)
Input Wiring Mode: Three-phase four-wire / three-phase three-wire (or three single-phase circuits)
Isolation Withstand Voltage: >2500V DC
Harmonic Three-Phase Multifunction Power Meter with LED Display RS485 Modbus RTU Power Quality Analyzer
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.
Model Selection
1.ZH-4041H-19N1: Harmonic Three-Phase Multifunction Power Meter (220V Power Supply)
2.ZH-4041H-14N1: Harmonic Three-Phase Multifunction Power Meter (24V Power Supply)
Key Features
All modules feature high-withstand isolation (ranging from >2500V DC to >4000V DC) across input channels, power supplies, and communication ports to eliminate common-mode and series-mode interference.
2.High-Precision A/D Conversion:
Equipped with industrial-grade 24-bit AD or ADC chips, delivering high-precision measurements (0.1% to 0.2% accuracy classes) and high resolutions (up to 1/100,000 of the range).
3.Standard Industrial Communication:
Integrates standard RS485 and RJ45 Ethernet interfaces supporting industry-standard Modbus-RTU and Modbus-TCP protocols for seamless SCADA and PLC integration.
4.Rugged Industrial Performance:
Built for harsh environments with wide operating temperature ranges (typically -40°C to +70°C) and robust overcurrent/overvoltage protection capabilities.
5.Real-Time Data Telemetry:
Designed as high-speed real-time acquisition and telemetry units that continuously stream live electrical parameters instantly without internal historical data storage.
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.
