SFRA45 – Sweep Frequency Response Analyzer – N4L

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Test and Measurement

The SFRA45 is a Sweep Frequency Response Analyzer with a bandwidth of 5Hz to 45MHz, the SFRA45 that offers a fully portable solution for the field of SFRA (Sweep Frequency Response Analysis) which fully complies with IEC60076-18 – Power Transformers Part 18 – Measurement of frequency response.

Featuring an inbuilt colour LCD screen as well as being battery powered, the tablet style instrument can be used with or without PC Software. The dedicated software available (SFRAComm) enables the user to create databases from which historical transformer sweeps can be recalled and compared to current sweeps for analysis. This offers the ability to perform the most common sweep frequency response analysis technique “Fingerprint Comparison” as well as all other comparison techniques.


  • 0.02dB Basic accuracy
  • PC Software package included
  • Leading Phase Accuracy
  • LCR Mode
  • 50Ohm or High Impedance Input
  • Save Data to Database for comparison
  • Frequency range 5Hz to 45MHz
  • RS232, LAN and USB
  • 2Hr Battery Life
  • Truly Portable Measurements
  • Save Data to external USB
  • Scope Function
  • Supplied with accessories and carry case.
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