MEGGER TAU3 Basic Three-phase Transformer Winding Analyser

• One-time lead connection – Eliminates the need for lead changes, improving efficiency and safety.
• Automatic vector validation – Ensures accurate transformer vector selection before every test.
• Three-phase switched source – Allows high-accuracy turns ratio and winding resistance measurements.
• Advanced demagnetization – Prevents residual magnetization, reducing transformer startup issues.
• On-load tap changer (OLTC) diagnostics – Supports dynamic resistance and vibration monitoring.
• High-resolution 10.1-inch touchscreen – Intuitive interface with PowerDB and Excel export options.
• Portable and rugged design – Compact, shock-mounted, and housed in a wheeled case with IP67 protection.

The Megger TAU3 BASIC is an advanced, multifunctional transformer testing solution designed for power, distribution, and instrument transformers. With a three-phase switched source, it performs turns ratio, winding resistance, and demagnetization tests seamlessly. The one-time lead connection significantly reduces testing time and enhances operator safety.

This device ensures accurate transformer vector validation, reducing the risk of testing errors. It supports adaptive demagnetization, preventing issues caused by residual magnetization. Additionally, its OLTC testing capabilities include make-before-break continuity testing, vibration monitoring, and motor current analysis, making it a comprehensive diagnostic tool.

The TAU3 BASIC is built for reliability, featuring shock-mounted electronics, IP67 ingress protection, and an ergonomic wheeled case for easy transport. The large 10.1-inch high-bright touchscreen provides an intuitive interface, while USB and PowerDB compatibility enable streamlined data management.

Whether performing routine transformer diagnostics or troubleshooting faults, the Megger TAU3 BASIC delivers precision, efficiency, and ease of use in a single compact unit.