Industrial Electrical Testing: Transformer Turn Ratio (TTR)

Megger Megger DELTA-4310 Power Factor (Tan Delta) Test Set

The Delta-4310 is a fully automatic 12 kV insulation power factor / dissipation factor (tan delta) test set designed for condition assessment of electrical insulation in high voltage apparatus such as transformers, bushings...

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OMICRON OMICRON TESTRANO 600 Three-phase Power Transformer Test System

The OMICRON TESTRANO 600 is the world’s first portable (20 kg / 44 lbs), three-phase power transformer test system, which supports most common electrical tests on power transformers for routine and diagnostic testing...

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Megger Megger ODEN AT/2X Primary Current Injection Test System

This powerful test system is designed for primary injection testing of protective relay equipment and circuit breakers. It is also used to test the turns ratio of current transformers and for other applications that require...

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Megger Megger MTO330 Automated Six-Winding Transformer Ohmmeter

The base model, MTO300, is designed to be remote controlled via PowerDB software on an external PC or a Megger transformer test product with on-board computer.   The MTO330 offers the same functionality as the MTO300...

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Megger Megger ODEN AT/3X Primary Current Injection Test System

The Megger ODEN AT/3X is a powerful test system designed for primary injection testing of protective relay equipment and circuit breakers. It is also used to test the turns ratio of current transformers and for other...

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Megger Megger TTR330 Three-Phase Transformer Turn Ratio Test Set

The TTR330 offers a new user interface which allows the operator to interact with the PowerDB ONBOARD software system via full QWERTY and navigation keypads as displayed on an 8.4" VGA bright-color screen. One of the...

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Megger Megger MCT1605 Current Transformer Saturation, Ratio and Polarity Tester

The Megger MCT1605 test set is a lightweight, robust, portable unit used to automatically or manually perform saturation, ratio, polarity, demagnetizing tests and insulation tests on current transformers. The MCT provides a...

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Tettex Tettex TTR2796 Three Phase Transformer Turns Ratio Meter

Three Phase 250V Transformer Turns Ratio Meter

Tettex Tettex TTR2795 Transformer Turns Ratio Meter

The TTR 2795 measures turns ratio with the highest accuracy in the industry and has one of the largest turns ratio ranges commercially available. This advanced instrument automatically recognizes winding connections and vector...

Megger Megger TTR310 Three-Phase Transformer Ratio Test Set

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...

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Vanguard Vanguard ATRT-01B S2 TTR Transformer Turns Ratio Tester

The Vanguard ATRT-01B S2 is Vanguard’s third-generation micro-processor-based, single-phase, automatic, transformer-turns-ratio tester. The ATRT-01B S2 is ac-line or rechargeable-battery powered. The ATRT-01B S2 is...

AEMC AEMC DTR 8510 Motor / Transformer Tester

The AEMC DTR 8510 is a portable digital transformer ratiometer designed for on-site testing of power, potential and current transformers. When connected to a non-energized transformer, the AEMC DTR Model 8510 accurately...

Biddle Biddle 550100 Transformer Turns Ratio Test Set

Transformer Turns Ratio Test Set

DV Power DV Power DEM60C Three-Phase Transformer Demagnetizer

The DV Power DEM60C Three-Phase Transformer Demagnetizer generates 90-264V of AC power at a frequency of 50 / 60Hz, providing quick and efficient automatic demagnetization. Remanent magnetism can cause various problems such as...

DV Power DV Power TRT63 Turns Ratio Tester Series

The DV Power TRT63 Turns Ratio Tester is a true three-phase, fully automatic test set specially designed for turns ratio, phase shift, and excitation current measurements of power, distribution and instrument transformers. The...

Haefely Haefely RM 430 Capacitive Divider Ratio Meter

The Haefely RM 430 Capacitive Divider Ratio Meter is used for the measurement and check of the transformation ratio of voltage dividers and terminal networks. The instrument measures the real transformation ratio taking into...

Megger Megger 550005 Single Phase TTR

The Single-phase TTR (Transformer Turn Ratio) Test Set measures the turns ratio and exciting current of windings in power, potential and current transformers. Deviations in turns ratio readings indicate problems in one or both...

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Megger Megger 550503 Three Phase TTR

The Three-Phase Automatic TTR is designed to measure the turns ratio of power, instrument, and distribution transformers in a substation or manufacturing environment. At 16.5 lbs (7.5 kg), it weighs less than any other...

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Megger Megger DELTA 4000 Series 12 kV Insulation Diagnostic System

The new DELTA4000 Series is a fully automatic 12 kV insulation power factor/dissipation factor (tanδ) test set designed for condition assessment of electrical insulation in high voltage apparatus such as transformers...

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Megger Megger MTO210 Transformer Ohmmeter

The Megger MTO210 Transformer Ohmmeter is a line-operated, field portable instrument designed specifically to measure the dc resistance of all types of magnetic windings safely and accurately. It can test transformers and...

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Megger Megger MWA330A 3-Phase Ratio and Winding Resistance Analyzer

The Megger MWA30A 3-Phase Ratio and Winding Resistance Analyzer is a portable transformer test device essential for testing power transformers, distribution transformers, CTs and VTz (PTs) and motors / generators. All ratio and...

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Megger Megger TTR100 Single Phase Handheld TTR

The Megger TTR100 is an automatic handheld, battery operated transformer turns ratio test set used to measure the turns ratio, excitation current, phase displacement, dc resistance and polarity of windings in single- and three...

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Raytech USA Raytech USA TR Mark III Three Phase Transformer Turns-Ratio Meter

Three Phase Transformer Turns-Ratio Meter

Raytech USA Raytech USA TR-1/TR-1P Single Phase Ratio Meters

Single Phase Ratio Meters

Vanguard Vanguard ATRT-03 S2 TTR Three Phase Transformer Turns Ratio Tester

The Vanguard ATRT-03 S2 is Vanguard’s third generation, microprocessor-based, automatic, three phase, transformer turns-ratio tester. This lightweight and rugged portable unit is designed for transformer testing at...