Megger's IDAX-300 test set assesses the condition of the insulation in power transformers

Megger's IDAX-300 test set quickly and accurately assesses the condition of the insulation in power transformers — a key indicator of future reliability and performance. The test set is also suitable for assessing the insulation condition of bushings, cables, motors and generators.

The IDAX-300 is based on frequency domain spectroscopy (FDS), which is also known as true dielectric frequency response testing. This technique is available in a self-contained, field-portable unit with USB and LAN communications, which allows for remote-controlled testing, data retrieval and analysis.

By using FDS, which involves measuring the capacitance and tan delta/power factor of insulation at multiple frequencies, the IDAX-300 is able to evaluate not only the condition of the oil in a transformer, but also the condition of the solid insulation. This gives a comprehensive indication of the transformer’s overall health.

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