MEGGER FRAX99 FRAX101 and FRAX150 SWEEP FREQUENCY RESPONSE ANALYSERS

The Scan Frequency Response Analyzer (SFRA) Megger FRAX series detects potential mechanical and electrical problems that cannot be detected by other methods. Large utility and utility companies have been using the FRA approach for more than a decade. The measurement is easy to perform and will capture the unique processor fingerprint.

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.

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MEGGER FRAX 99 – FRAX 101 and FRAX 150 SPECIFICATIONS:

for information about FRAX99, FRAX101 and FRAX150 specifications please check the datasheet.

Specifications are valid at nominal input voltage and an ambient temperature of +25°C ±5°, (77°F). Specifications are subject to change without notice.

Environment
Application field The instrument is intended for use in medium and high-voltage substations and industrial environments.

Ambient temperature

• Storage  : -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

General

• 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)