APM830 3-Phase Multifunction Power Quality Meter
Characteristic
Communication
Standard: RS485 (Modbus-RTU)
Optional: Ethernet (Modbus-TCP), Profibus-DP, Secondary RS485
Display
LCD displays voltage, current, power, power factor, frequency and energy, with power quality monitoring for harmonics, unbalance and other power quality parameters.
Rated U and l
Voltage: AC 100V, 110V, 400V, 690V
Current: AC 1A / 5A, CT connected
General
APM830 is a high-precision three-phase multifunction power quality meter designed for comprehensive power monitoring and energy management. It provides full electrical parameter measurement, energy statistics, demand monitoring, power quality analysis, harmonic measurement and network communication. Its modular design supports flexible expansion for communication, I/O and data storage, making it suitable for industrial power distribution, commercial buildings, utilities and energy management systems.
Function
Accuracy
Voltage, Current and Power: Class 0.2
Active Energy: Class 0.2S
Reactive Energy: Class 1.0
Frequency
45–65 Hz
Power Quality
Voltage and current unbalance
THD measurement
2nd–63rd individual harmonics
Phase angle measurement
Zero-sequence current
Maximum and real-time demand
Energy Measurement
Active and reactive energy
Four-quadrant energy
Multi-tariff energy
Maximum / minimum value recording
Communication
RS485 / Modbus-RTU
Optional Profibus-DP
Optional Ethernet / Modbus-TCP
Data Storage
Standard storage: 8G
TF Card: Up to 32G
Auxiliary Power Supply
AC/DC 85–265V
or AC/DC 115–415V
Protection Degree
Front Panel: IP54
Wiring
Installation
Typical connection
| Item | Specification / Description |
| Electrical Network | Three-phase three-wire / Three-phase four-wire |
| Frequency | 45-65 Hz |
| Rated Voltage | AC 3×57.7/100V, AC 3×63.5/110V, AC 3×230/400V, AC 3×400/690V |
| Voltage Overload | 1.2x rated value continuously; 2x rated value for 1s |
| Rated Current | AC 3×1(1.2)A / AC 3×5(6)A |
| Current Overload | 1.2x rated value continuously; 10x rated value for 1s |
| Voltage / Current Accuracy | Class 0.2 |
| Active Power Accuracy | Class 0.2S |
| Reactive Power Accuracy | Class 1S |
| Active Energy Accuracy | Class 0.2S |
| Reactive Energy Accuracy | Class 0.5S |
| Harmonics | 2nd-63rd harmonics |
| Display | 192×160 dot matrix LCD |
| Communication | RS485 / Modbus-RTU / DL/T645 |
| Optional Communication | Ethernet / Modbus-TCP / Profibus-DP |
| TF Card | Standard 8GB, max. 32GB |
| Auxiliary Power | AC/DC 85-265V or AC/DC 115-415V (P2) |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | <=75%, non-condensing |
| Altitude | <=2000m |
| Protection Degree | Front panel IP54 |
| Item | Specification / Description |
| Electrical Measurement | Voltage, current, active power, reactive power, apparent power, power factor and frequency |
| Energy Measurement | Four-quadrant active and reactive energy |
| Multi-Tariff Energy | Total, sharp, peak, flat and valley energy statistics |
| Demand | Three-phase current, active power, reactive power and apparent power demand |
| Maximum Demand | Maximum demand with timestamp |
| Extreme Value Statistics | Current, voltage, power, power factor, frequency and harmonic maximum/minimum values with timestamp |
| Voltage / Current Unbalance | Supported |
| Phase Angle | Voltage and current phase angle |
| Harmonic Analysis | Total, odd and even harmonics; individual 2nd-63rd harmonics |
| Waveform Display | Voltage and current waveform |
| Fundamental Measurement | Fundamental voltage and current |
| Voltage Crest Factor | Supported |
| Current K-Factor | Supported |
| Event Recording | Latest 128 event records; expandable via TF card |
| Alarm Recording | 66 alarm types; up to 128 recent records per alarm type |
| Transient Recording | Up to 800 transient waveform records |
| Communication | Modbus-RTU and DL/T645-2007 |
| Standard I/O | 2DI + 2DO |
| Energy Pulse Output | Supported |
| MD82 Module | 8DI + 2DO |
| MA84 Module | 8AI + 4AO |
| MCM Module | Additional RS485 / Modbus-RTU |
| MCE Module | Ethernet / Modbus-TCP / HTTP / SMTP / DHCP |
| MCP Module | Profibus-DP |
| MLOG Module | TF card data storage |
| Expansion Capacity | Up to 3 expansion modules |
