Description
Doble M5400 Sweep Frequency Response Analyzer
The Doble M5400 is an advanced diagnostic tool designed for precision and reliability in assessing the mechanical integrity of power transformers. This state-of-the-art sweep frequency response analyzer evaluates transformers by detecting mechanical deformations, winding displacements, and other structural issues that could compromise performance or lead to failures.

Key Features:
- Sweep Frequency Response Analysis (SFRA):
The M5400 uses industry-standard SFRA techniques to perform non-invasive tests, providing a detailed frequency response signature of the transformer windings and core.
- High-Precision Measurements:
Its high signal-to-noise ratio ensures accurate and repeatable measurements, even in challenging environments.
- Wide Frequency Range:
The M5400 covers a broad frequency range, enabling detailed analysis of transformer behavior across the spectrum, from low to high frequencies.
- Compact and Portable Design:
Built for field use, the lightweight and rugged construction ensures durability and ease of transport.
- User-Friendly Interface:
Equipped with intuitive software, the M5400 simplifies the testing process with guided setups, automatic analysis, and clear reporting capabilities.
- Automated Analysis and Reporting:
The system compares current test results with baseline or historical data, providing immediate identification of anomalies and potential mechanical defects.
- Versatile Testing Applications:
Suitable for a wide range of transformer types, including power, distribution, and special-purpose transformers.
Applications:
- Routine Maintenance and Diagnostics: Monitor the health of transformers over time and ensure optimal performance.
- Post-Event Analysis: Assess potential damage after incidents such as short circuits, transportation, or seismic activity.
- Factory and Field Testing: Verify the mechanical integrity of transformers during production or after installation.
Technical Specifications:
- Frequency Range: 10 Hz to 2 MHz
- Measurement Accuracy: ±0.02 dB
- Impedance Range: 1 Ω to 1 MΩ
- Communication Interface: USB and Ethernet
- Power Supply: 100–240 VAC, 50/60 Hz
- Operating Temperature: -10°C to 50°C
- Weight: 6.5 kg (14.3 lbs)
Included Accessories:
- Test cables and probes
- Calibration standards
- Rugged carrying case
- User manual and software
In good working and cosmetic condition. Tested and works.
Recently used in the field. Includes everything pictured.
We will ship within one business day. International consumers are welcome
Feel free to ask any questions. We constantly joyful to help you.
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