01483 302 700


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SFRA45 Sweep Frequency Response Analyzer

The SFRA45 is a Sweep Frequency Response Analyzer with a bandwidth of 5Hz to 45MHz, the SFRA45 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.


Caltest Instruments Ltd

4 Riverside Business Centre

Walnut Tree Close


Surrey GU1 4UG

United Kingdom

Tel: +44 (0) 1483 302 700

Fax: +44 (0) 1483 300 562

Email: sales@caltest.co.uk

Caltest have been providing power sources and test instrumentation solutions for over 17 years and are proud to represent a number of industry leading manufacturers.