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Transformer Ratio Meter, Single Phase, 0.001 to 129.999, 0 A, 1 A, Single Phase

MEGGER 550005B

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Manufacturer Part No:
Newark Part No.:
Technical Datasheet:
550005B   Datasheet
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Product Information

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Single Phase

0.001 to 129.999



Single Phase

Open/Short Circuit

TTR Tester, 19494 Cable Assembly W/2x C-Clamps 3M/Spring Clips 4M, AVTM55JD Instruction Manual


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Technical Documents (1)

CAD Downloads


Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Product Overview

  • Single-phase hand-cranked TTR transformer turns ratio test set
  • Suitable for testing single phase power and distribution transformers
  • Measures highly sensitive turn ratios up to 129.99:1
  • Provides unmatched accuracy (+/- 0.1%) in a portable design
  • Design based on precision bridge measuring technique
  • Packaged in a rugged, compact case
  • Aids in identifying shorted coils, open circuits, incorrect connections, internal faults


Single-phase hand-cranked TTR, Cable assembly, Instruction manual.

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More stock available to supplier lead times which is approximately 01/08/22

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

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