Multi-channel three-phase energy analyzer | with data logging | LCD display | accuracy class 0.5S | MODBUS RS485 | ME631-SD

Technical Specifications

Type: Multi-channel three-phase energy analyzer with data logger
Model: ME631-SD
Mounting: DIN rail
Power supply: 85–240 V AC
Communication: MODBUS RS485
Accuracy class: 0.5S
Harmonic analysis: up to the 51st harmonic (THD)
Data storage: SD card up to 32 GB
Internal memory: via SD card
Display: Color LCD with real-time measurements
Supported current sensors: Rogowski coils; 333 mV CT
Rated current (selectable): 500 A / 1000 A / 3000 A / 5000 A
Current coefficients: 50 mV/kA; 85 mV/kA; 333 mV/kA (configurable)
Voltage measurement: Direct or via VT – up to 500 kV
Recorded parameters: Current; Voltage; Active, reactive and apparent power; Electrical energy; Power factor (cos φ); Demand; Harmonic spectrum and THD; Maximum / minimum values

Functions

Multi-channel three-phase measurement
Integrated data logger
Long-term energy and power data storage
Harmonic analysis up to the 51st harmonic
MODBUS RS485 – integration with BMS, SCADA, EMS, PLC systems
Operation with Rogowski coils – safe installation without power interruption

Applications

For engineers / energy specialists: Power network and power quality analysis, harmonic distortion (THD) assessment, load analysis, and energy audits
Industrial and commercial facilities: Monitoring of production lines, building energy management systems (BMS), data collection for optimization and reporting
Renewable energy projects: Monitoring and analysis of solar power plants and inverters, transformers and main feeders, long-term energy data logging

Advantages

Integrated SD card data logger (32 GB)
High measurement accuracy 0.5S
Harmonic analysis up to the 51st harmonic (THD)
Current measurement up to 5000 A using Rogowski coils
MODBUS RS485 – industrial standard
Professional DIN rail mounting

Disadvantages

Rogowski coil not included
Correct current coefficient must be selected in advance
Designed for technical users (not consumer “plug & play”)