Megger FRAX Series Sweep Frequency Response Analyzers

Megger · Model FRAX150 · Electrical Test Instruments

Sweep frequency response analyzers (SFRA) that reveal mechanical and electrical problems in power transformers - winding deformation, core movement, shorted turns and loose clamping - by capturing and comparing a unique transformer fingerprint. Current line includes the FRAX150 (built-in PC) and FRAX200.

Key specifications

• Test frequency range 0.1 Hz to 25 MHz; up to 32,000 test points per sweep
• Industry-leading dynamic range; internal noise floor down to < -140 dB
• Meets IEC 60076-18 and IEEE C57.149 SFRA standards
• Typical 64 s sweep (37 s fast mode); built-in ground loop detector
• FRAX150 has integrated sunlight-readable PC/touchscreen; FRAX200 adds demag and FSX200 switchbox
• Operating range -20 C to +50 C; standardized braided-ground cabling for repeatability

Download the FRAX150 datasheet (PDF)

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