The Megger IDAX300-350 Insulation Diagnostic Analysers revolutionise insulation testing for power transformers, bushings, current transformers, cables, and generators, offering unmatched accuracy and efficiency in the field. Employing Dielectric Frequency Response (DFR), these analysers measure capacitance, tan delta/power factor, and losses across frequencies from 10 µHz to 1 kHz, accurately calculating moisture content, oil conductivity at 25°C, and tan delta at 20°C.
The proprietary Individual Temperature Correction (ITC) adjusts results to reference temperatures, ensuring consistency with baseline data, while a novel time-and-frequency domain approach delivers the fastest full DFR measurements available. Available in variants—IDAX300 (compact, single ammeter), IDAX300/S (dual ammeters), and IDAX350 (with onboard computer in a waterproof case)—they cater to diverse needs. The IDAX series shines in high-interference settings, supported by dedicated test procedures for transformers and bushings, and an optional DFR500 switchbox that streamlines connections, reducing setup time and enhancing safety by minimising ladder climbs.
Compatibility with VAX020 and VAX220/230 amplifiers extends testing to high-voltage cables and industrial processes like transformer dry-out, providing real-time dielectric insights. The intuitive software, featuring a traffic-light result system, simplifies operation, while a wheeled transport case and accessory kit with bushing tap adapters ensure portability and versatility. Compliant with standards like IEEE C57.152-2013 and Cigre TB 775, the IDAX300-350 empowers engineers to optimise maintenance, extend equipment life, and prevent catastrophic failures in critical power infrastructure.