Products

Doble M5400 Sweep Frequency Response Analyzer

The Doble M5400 Frequency Response Analyzer is designed to investigate the mechanical integrity of transformers, reactors and other equipment that utilize windings. The M5400 sends a ramping excitation signal into the power apparatus being tested and measures the returning signal. Comparing this response to baseline readings and results from similar units allows you to identify deviations and confirm internal mechanical problems. The M5400 reduces the uncertainty about apparatus condition by providing solid evidence of mechanical integrity or winding movement. Use it to help determine how a transformer is deteriorating, if it can go back in service after a fault or if it has been damaged during transit.

Features

  • Instrument sends excitation signals to transformer and measures the returning signals across a broad frequency range
  • Provides a frequency response measurement from 10 Hz to 25 MHz
  • Measures frequency response at logarithmically spaced intervals of 1.2%
  • Auto-scales each frequency measurement for an overall dynamic range of 80 dB with a ±1 dB accuracy
  • Highest combination of dynamic range and accuracy available

Benefits

  • Ensure transformer performance, reduce maintenance costs and increase the service life of transformers
  • Identify problems such as core movement, winding deformation & displacement, faulty core grounds, partial winding collapse, hoop buckling, broken or loose clamping structures, shorted turns and open windings
  • Use as part of your regular maintenance program or any time you suspect a problem
  • Measurements are highly repeatable so even subtle changes can be used for diagnostic purposes

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