Megger FRAX99 Sweep Frequency
Megger FRAX99 offers high-precision sweep frequency analysis, perfect for reliable transformer diagnostics.
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Introduction of Megger FRAX99
The Megger FRAX99 Sweep Frequency Response Analyzer (SFRA) is a sophisticated diagnostic tool designed to assess transformers’ and other power apparatus’s mechanical and electrical integrity. This advanced instrument uses the sweep frequency response analysis technique to detect and diagnose issues within the windings, core, and structure of transformers, which are often difficult to identify through traditional testing methods.
The measurement is compared with the reference fingerprint and gives a direct answer as to whether the mechanical parts of the transformer have not changed. The offset indicates geometric and/or electrical changes in the transformer.
Megger FRAX99 Key Features
- Winding deformations and displacements
- Shorted turns and open windings
- Broken clamping structures
- Core connection problems
- Partial winding collapse
- Faulty core grounds
- Core movements
Specifications
| Category | Specification | Details |
|---|---|---|
| Ambient Conditions | Storage Temperature | -20°C to 70°C (-4°F to +158°F) |
| Humidity | < 95% RH, non-condensing | |
| CE-marking | EMC | 2004/108/EC |
| LVD | 2006/95/EC | |
| Power Supply | DC Power Supply | 11– 16 V DC |
| AC Power Supply | 90 – 264 V AC, 47 – 63 Hz | |
| Measurement Section | Test Method | Sweep frequency (SFRA) |
| Frequency Range | 0.1 Hz – 25 MHz, user selectable | |
| Frequency Resolution | 0.01% | |
| Frequency Accuracy | 0.01% (measurement error) | |
| Level Resolution | 0.001 dB | |
| Number of Points | Default: 1046, Up to 32,000 points, user selectable | |
| Measurement Time | Default: 64 s, fast setting, 37 s (20 Hz – 2 MHz) |
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Bench Multimeters
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The Megger FRAX99 Sweep Frequency Analyzer delivers accurate and reliable diagnostic results with impressive ease.