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Doble M5400 Sweep Frequency Response Analyzer

SFRA unit

Model number
M5400
Shipping details
hard case 15kg 45L 35W 35H
Daily rates
Cost per day
$475
$427.50
$356.25
$299.25
Duration (days)
1-7
8-14
15-28
29-90
Typical Hire Periods
Cost
$3,325
$5,985
$8,977.50
$17,955
Duration
week
fortnight
1 month
2 month
All prices are ex-GST
Committing to 3, 6 or 12 months?
Call us on 1300 024 473 for fantastic long term hire rates.

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Description

The Doble M5400 is a portable Sweep Frequency Response Analyser (SFRA) used to assess the mechanical condition of transformers and other winding equipment. It injects a swept-sine wave signal into the windings and measures the electrical response.

By analysing these electrical characteristics, the M5400 can identify various internal issues, including winding movement or deformation, shorted turns, open windings and core faults. The M5400’s non-intrusive testing method allows for quick and reliable evaluation of transformers without taking them out of service. This can help prevent costly outages and extend the life of transformers.

Operation: Fully software driven through Doble software.
Weight: 1.1 kg without accessories ≤ 5.5 kg incl. accessories and batteries in carrying case
Case material: NORYL, shock -and scratch-proof thermoplastic

Key Features

  • This instrument can send excitation signals to the transformer and measure 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.
  • Simple, robust test leads that meet IEC standards.

Applications

  • Routine maintenance checks — SFRA testing using the M5400 can be integrated into transformer maintenance programs to obtain baseline measurements and proactively identify developing issues. Regular testing allows for comparison over time, helping detect changes that may indicate winding deformation, core problems or other potential faults before they lead to costly failures.
  • Acceptance testing of new transformers — The Doble M5400 can be used to verify the condition of new transformers upon arrival, ensuring no damage has occurred during shipping or installation. This provides a critical quality control step and establishes a baseline for comparison should future problems arise.
  • Troubleshooting potential problems — If a transformer is suspected of having a fault, the Doble M5400 can be used to help pinpoint the exact nature of the problem. By comparing the SFRA test results with a baseline or measurements from similar units, technicians can more readily diagnose issues, saving time and preventing further damage.
  • Post-fault analysis — Following a severe fault, this device can assess potential mechanical damage to a transformer’s windings and core, determining its suitability for continued operation. This helps make informed decisions about costly repairs or replacements, reducing the risk of further failure or safety hazards.
  • Quality assurance during repairs — The Doble M5400 can be used to ensure that repairs have been performed correctly and that the transformer is restored to its original condition. SFRA testing after repair provides objective evidence of successful restoration, increasing confidence in the transformer’s integrity.

Rent the Doble M5400 from Brandis Hire today

Ensure your transformer testing is done right with the accuracy and dependability of the Doble M5400, which you can rent hassle-free from Brandis Hire — Australia’s go-to for specialised equipment rental. We are renowned in the industry for our wide range of equipment, expertise and unmatched support. Contact us today about renting the Doble M5400 and submit a booking request.

FAQs

Why hire the Doble M5400?

The Doble M5400 Sweep Frequency Response Analyser is a powerful tool for maintaining the health of transformers and other winding equipment. Its non-intrusive testing method allows you to assess a transformer’s condition without taking it offline, minimising disruption to your operations.

The M5400 can detect a wide range of internal faults, including winding movement, core faults, shorted turns and more, providing valuable insights for preventive maintenance and troubleshooting. With its high accuracy, reliability and ease of use, it delivers a streamlined solution for verifying the integrity of your critical transformer assets.

What other insulation testers and primary injection testing equipment do you offer for hire?

Brandis Hire offers a comprehensive range of insulation testers and primary injection testing equipment to meet your needs:

Insulation testers:

Primary injection testers:

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Doble M5400 Sweep Frequency Response Analyzer