Ankerui Harmonic Monitoring Meter APM520 Network Meter is a multifunctional smart meter designed according to IEC international standards, mainly used for comprehensive monitoring of power grid supply quality and energy management.
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Full power measurement
Ankerui Harmonic Monitoring Meter APM520 Network InstrumentReal time monitoring of basic electrical parameters such as three-phase voltage, current, active power, reactive power, apparent power, power factor, frequency, etc., and supporting four quadrant energy, phase separated energy, apparent energy, and multi rate energy metering. The multiple rate function can set 4 time zones, 14 time periods, and four rates (peak and valley) to meet the needs of time of use electricity price management.
Power Quality Analysis
Support analysis of voltage/current imbalance, voltage and current phase angle, 2-63rd harmonic, odd even harmonic content, and total harmonic content. It can monitor indicators such as voltage peak coefficient, current K coefficient, and telephone waveform factor. When selecting the S function, it can expand the functions of inter harmonic, flicker monitoring, and fault recording, recording events such as voltage rise/fall/interruption, impulse current, etc., and storing 20 waveforms (10 waves before and after each), each waveform containing 128 periodic points.
Event and alarm records
It can store the latest 128 DIDO event records and alarm records, and support extreme value statistics (including timestamps) of current, voltage, power and other electrical parameters for this month and last month, making it easy to trace abnormal working conditions.
Flexible Expansion and Interface
Standard configuration includes 4-channel switch input and 2-channel switch output, supporting optional analog output (4-20mA), wireless communication module, leakage temperature measurement module, etc., which can flexibly adapt to different monitoring scenarios. The communication interface includes RS485 (Modbus RTU/DL/T 645-2007 protocol) and Ethernet (Modbus TCP), supporting remote data transmission and control.
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High precision and reliability
The measurement accuracy of voltage and current reaches 0.2 level, and the accuracy of active power is 0.5S level (increased to 0.2S level when S is selected), which complies with standards such as IEC 61557-12 and GB/T 17215. Through electromagnetic compatibility testing (IEC 61000-4-30, Level 4), the protection level is IP54, and it is suitable for a wide temperature range of -25 ℃ to+65 ℃.
rated voltageAC 3 × 57.7/100V, 3 × 230/400V and other multiple specifications are available, supporting continuous operation with an overvoltage of 1.2 times
rated current3 × 1 (1.2) A or 3 × 5 (6) A, with an overload capacity of 10 times the rated value (1 second).
display interface96 × 96mm dot matrix LCD, supports switching between Chinese and English, adjustable backlight, resolution of 128 × 128.
Overall dimensions96 × 96 × 82mm, embedded installation, with a panel opening size of 89 × 89mm.
Certification QualificationsPassed CE certification (APM520/CE model), China Metrology Certification (CPA mark), and complies with standards such as IEC 61000 and GB/T 17215.
Industry and EnergyPower monitoring and energy efficiency management in chemical, geological, and energy production scenarios, which can monitor equipment operation status and power quality.
Business and ArchitectureMonitoring of power distribution systems in smart buildings and office buildings, supporting multi rate metering and energy consumption analysis.
Transportation and InfrastructureMonitoring the power supply quality in areas such as roads, tracks, and ships to ensure the stable operation of critical loads.
new energy sectorThe power quality monitoring of photovoltaic grid connected systems meets the requirements of grid connection standards.
data storage: Supports SD card expansion (up to 32GB), can store historical electrical parameters, event records, and waveform data, meeting long-term analysis needs
remote managementConnect to the Acrel-3000 power monitoring system or third-party SCADA platform via Modbus TCP protocol to achieve remote parameter configuration, data acquisition, and alarm linkage
edge computing: Cooperate with Anet series edge computing gateway to achieve synchronization of local data processing and cloud, and improve system response speed
Wiring specificationsVoltage input requires a 1A fuse, and current input is recommended to be connected through an external CT to ensure consistent phase sequence
Communication suggestionsIt is recommended to use shielded twisted pair for RS485 bus, and a 120 Ω matching resistor should be connected at the end to enhance anti-interference ability
Easy to operateThrough the menu, you can quickly set parameters such as multiple rates and alarm thresholds, and support local querying of event records and waveform data
basic model：APM520/CE， Suitable for conventional power monitoring, supporting Modbus TCP and RS485 communication.
Enhanced version：APM520/S， Add inter harmonic, flicker monitoring, and fault recording functions, suitable for scenarios with high requirements for power quality.
Internet of Things models：APM520-4G， Integrated 4G wireless communication module for remote data collection and mobile operation and maintenance
Ankerui APM520 provides reliable power monitoring solutions for industrial, commercial, and new energy fields with its high-precision measurement, comprehensive power quality analysis, and flexible expansion capabilities, helping users achieve energy efficiency optimization and power supply stability improvement.
