The SATEC EM235 PRO is a compact DIN-rail power meter for AC and DC measurement of voltage, current, power, energy and frequency. The EM235-PQ-A version provides Class A power quality analysis, waveform capture and EN 50160 reporting.

Key Features

• Class A Power Quality Analysis, Edition 3 (IEC 61000-4-30)
• EN 50160 reports and power quality event logging – EM235-PQ-A
• High-resolution waveform capture
• Harmonic and interharmonic analysis
• Programmable thresholds and event-driven recording
• Voltage, current, power, energy and frequency measurement
• Integrated DC current measurement using SATEC U-HACS or Hall-effect sensors

Inputs and I/O

• Galvanically isolated voltage and current inputs
• Direct DC voltage measurement: 10 –1000 V DC
• DC voltage measurement up to 1,500 V DC via adapter
• DC current inputs via U-HACS/Hall-effect sensors (up to 3000 A DC)
• Optional built-in I/O: 2 DI, 1 SSR output, 1 AI
• Modular expansion up to 24 digital inputs
• Modular expansion up to 12 digital outputs
• Modular expansion up to 12 analogue outputs

Data recording and event logging

• Waveform recording up to 256 samples/cycle
• Time-stamped event logging
• Programmable data logging on periodic, internal and external triggers
• Synchronous event capture across multiple PRO devices
• 16 GB onboard memory for long-term waveform and data recording

Communication and I/O

• Dual-port Ethernet for SCADA and substation automation
• IEC 61850 communication for digital substations
• DNP3 and IEC 60870-5-101/104 support
• Modbus TCP and Modbus RTU for SCADA and third-party system integration
• USB Type-C port for local configuration and maintenance
• Digital I/O modules and expansions for signalling, alarms and control

Applications

• Energy Management
• DC Metering
• SCADA Integration
• Substation Automation
• Industrial Monitoring
• Renewable Energy
• Data Centres
• Power Quality Compliance Reporting (Class A, EN50160)