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Megger TTR310 Turns Ration Test Set

Part No : TTR310-47

Quick Overview

Three-Phase Transformer Turns Ratio

Availability: In stock

Price on Application


The TTR310 turns ratio test sets are designed to measure the turns ratio of power, instrument, and distribution transformers in a substation or manufacturing environment.

The instruments are ideal for use by power transformer manufacturers. Their unique testing procedures and storage capability allows an operator to set up and test difficult three-phase transformers in a fraction of the time than it used to take with other TTRs.

The TTR310 has the ability to store test results, upload results to a PC (via RS232 serial port), and/or print them in the field via optional thermal paper printer, without the use of an external computer. Please note: The TTR310 is a direct replacement for the three-phase TTR, C/N 550503 The TTR310 also measure the phase deviation of the transformer primary versus secondary. This quickly indicates problems such as partial shorted turns and core faults.

This is also useful in verifying phase errors in all types of PTs and CTs.

Megger TTR310 Test Set features:

  • Stand-alone or remote-control operation
  • Accurately measures ratio, phase deviation and exciting current
  • Field upgradeable without compromise to calibration
  • Built-in capability for storing and downloading test results in an XML format, via RS-232, Ethernet or USB ports (depending on model)
  • Highest ratio measurement (45,000:1); highest accuracy (0.1%)

Each unit comes equipped with a remote-control switch for single person testing. This allows the operator to test transformers with LTCs very quickly.

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