The mobile PQ-Box® family consists of portable, IP65-rated instruments designed to operate reliably across a wide temperature range. Combining the functionality of a Power Quality Analyser, Power Meter, Oscilloscope, and Transient Recorder in a single compact device, the PQ-Box® range delivers comprehensive power system monitoring and analysis.

Product Overview
Designed for intuitive operation and dependable Power Quality assessment, these high-precision Class A instruments comply with IEC 61000-4-30 Edition 4 and are fully aligned with NRS048-2:2025, South Africa’s Power Quality standard, as well as EN50160 and IEC 61000-2-2/-2-4.

The permanently installed PQI-LV, PQI-DA Smart, and PQI-DE analysers provide high-speed fault recording and comprehensive Power Quality monitoring across low-, medium-, and high-voltage networks. Ideal for industrial applications and utility network monitoring, these systems support detailed analysis of modern energy technologies, including photovoltaics, e-mobility infrastructure, and battery energy storage systems.

Delivering Class A measurement accuracy in accordance with IEC 61000-4-30 Edition 4, all devices are fully compliant with NRS048-2:2025, South Africa’s Power Quality standard, as well as EN50160 and IEC 61000-2-2/-2-4. This ensures precise, reliable, and reproducible measurement results for effective network assessment and troubleshooting.

The Voltage Regulation System REGSys® is engineered for high-precision voltage control and continuous monitoring of transformers equipped with on-load tap changers (OLTCs) in medium- and high-voltage networks.

With its fully programmable control platform and a comprehensive suite of intelligent functions—data recording, event logging, transducer capabilities, statistical evaluation, parallel operation logic, and integrated transformer monitoring—REGSys® ensures exceptional operational efficiency and user convenience.

The Low Voltage Regulation System LVRSys® is a cutting-edge solution designed to stabilize low-voltage networks and improve energy efficiency. Engineered to optimize power quality, it ensures reliable performance even in areas prone to voltage fluctuations.

Ideal for industrial, commercial, and institutional environments, LVRSys® delivers consistent, high-quality power to keep operations running smoothly and efficiently. The LVRSys® is also maintenance-free, offering long-term reliability with minimal operational demands.

A. Eberle Africa’s Trafostick range provides continuous monitoring of power and distribution transformers by measuring oil temperature, winding current, oil level, and other key performance parameters. It also estimates remaining service life to support proactive maintenance and improve reliability.