Megger TTR550005B Accurate Power Transformer Testing

Megger TTR550005B Power Transformer Testing key features:

  • Used for testing single phase power and distribution transformers
  • Design based on precision bridge measuring technique
  • Unmatched accuracy (±0.1%) in a portable design
(2 customer reviews)
SKU: 5346

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Megger TTR550005B Power Transformer Testing

The Single Phase TTR, Transformer Turns Ratio Test Set, measures the turns ratio and exciting current of windings in power, potential and current transformers. Deviations in turn ratio readings indicate problems in one or both windings or the magnetic core circuit.

Megger TTR550005B Key Features

The Megger TTR550005B is a sophisticated instrument designed for comprehensive testing of power transformers. This device is part of Megger’s renowned line of transformer turns ratio test sets, known for their reliability, accuracy, and robust feature sets, catering to the stringent requirements of power system operators and maintenance professionals.

  • Precision and Range: The TTR550005B provides extremely precise measurements of transformer turns ratios, with a broad testing range that accommodates various types of transformers. This precision is crucial for identifying potential issues in a transformer before they lead to more significant problems.
  • Testing Capabilities: In addition to turns ratio testing, the TTR550005B can measure excitation current and phase relationship, which are vital indicators of the operational integrity and efficiency of transformers. The ability to perform multiple tests with a single unit simplifies the process and reduces the equipment needed in the field.
  • Automation and Safety: The unit is equipped with fully automated test sequences, reducing the risk of human error and ensuring consistent testing procedures. This automation, combined with built-in safety features, helps protect users and equipment from potential hazards during testing.
  • Data Management: With advanced data storage and connectivity options, the TTR550005B allows for easy management and retrieval of test data. Users can transfer data to PCs or other devices for detailed analysis, trend monitoring, and historical record-keeping.
  • User Interface: The device features a user-friendly interface with a large display and intuitive controls. This interface simplifies the setup and execution of tests, making the TTR550005B accessible to technicians of varying skill levels.
  • Durability: Designed for field use, the TTR550005B is housed in a robust casing that protects it from the rough conditions typically found in industrial environments. Its design ensures that it can handle transportation and frequent use without damage.

Megger TTR550005B Power Transformer Testing specifications:

  • Output: 8 V, 50/60 Hz
  • Metering: Four-decade dials
  • Turns Ratio Range: 0.001 to 129.999
  • Exciting Current: 0 to 1 A (divide by 5 switches for increased resolution)
  • Accuracy: ±0.1%
  • Dimensions: 7.5 H x 14 W x 12 D in. (189 H x 353 W x 302 D mm)
  • Weight: 16 lb (7.3 kg)
2 reviews

2 reviews for Megger TTR550005B Accurate Power Transformer Testing

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  1. mike

    Excellent experience, will definitely be back.

  2. mike

    high quality

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Megger since 1889 is a leading global premium manufacturer of measurement and testing technology. Megger top priority has always been to make your everyday work easier and safer. As such, insulation testers, micro-ohmmeters, and multimeters are among the long line of Megger inventions, making this brand one of the pioneers in the electrical industry. Megger products combine many years of experience and the valued feedback from our global users with the inventiveness and conscientiousness of our product developers. In Germany, we manufacture at three sites, Aachen, and Baunach near Bamberg and Radeburg near Dresden. Other manufacturing locations are based in Sweden, England, and America.



Data Sheet


Specification Details
Output 8 V, 50/60 Hz
Metering Four-decade dials
Turns Ratio Range 0.001 to 129.999
Exciting Current 0 to 1 A (divide by 5 switches for increased resolution)
Accuracy ±0.1%
Dimensions 7.5 H x 14 W x 12 D in. (189 H x 353 W x 302 D mm)
Weight 16 lb (7.3 kg)