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Surge Testers & Winding Analyzers

State of the art technology, easy to use instruments, superior customer service and lifetime support.

Introducing the iTIG III

Electric Motor Service and Repair

Manufacturers and OEMS

Industrial Users


The new iTIG III by Electrom Instruments is available in basic to advanced models. Learn more.

Why Consider an iTIG III Motor Tester?

Advanced testers use high frequency surge test pulses that eliminate ionization dissipation and find more turn-to-turn insulation weaknesses compared with low frequency testers.

Partial Discharge (PD) testing gives early warning of insulation deterioration. Automated PD testing is done together with a complete test set including a high frequency surge test.  PD testing is a fast and powerful diagnostics tool and requires no additional accessories.

Choose options A, B, C, or D to meet your needs.  Modular construction allows users scalable testing capability, reporting, automation, and other features.  As your needs change, so can your tester with software upgrades.  Output options from 4kV to 40kV.

Track results over time with report and spreadsheet options for easy comparisons and reliability analysis.  Time saving options generate finished reports at the conclusion of any test.  Transfer finished reports and raw data with one click using wi-fi, ethernet, or a thumb drive.

Experience best-in-class customer service and product support.  Services and support programs are included with each tester.

Designed for the motor repair shop, manufacturing facility, field service, and industrial end users, the iTIG is the only truly portable tester capable of output of 40kV.


Download Brochures: Whatever you are testing for, we have you covered.

Download full-length brochures for details on product configurations and testing capabilities.

We provide advanced motor testers, surge testers, partial discharge testers and winding analyzers that are easy to use with automatic tests sequences and intuitive touchscreen interface.  Every tester comes with superior customer service and lifetime support. We still support instruments made more than 30 years ago!

Electrom has made significant investments in R&D and will continue to develop the most advanced technologies to test and analyze generators, coils and electric motors.


The iTIG III combines multiple testing technologies into a single instrument. From low to high voltage, all your tests can be completed with the push of a button. The iTIG III is available in four models with additional feature options and DC motor test accessories.



The iTIG II MINI is a small light tester in a briefcase type enclosure, ideal for field tests of low voltage motors. Since it can be connected to the PP-II Power Pack, it can also be used to test high voltage equipment. It is an economical, more portable motor tester solution.

Portable Power Pack PP II

The PP II is the only truly portable 18kV, 24kV, 30kV & 40kV Power Pack on the market. It connects to the iTIG II and the iTIG II MINI with low voltage cables. Data generated by the PP-II is captured, displayed and stored in the iTIG II.

Who Uses Electrom Motor Testers and Winding Analyzers?

The Electrom Instruments’ motor testers and winding analyzers are used worldwide in industries that use, service, repair, rewind and manufacture electrical rotating machinery, coils, and windings.

Service and Repair







service and repair; MRO; motor shop; motor repair

Industrial Users







Industrial services; electric motor testing;

Manufacturers and OEMs







coil and motor manufacturing; electric motor production
If you have questions or would like to request a quote, please send us a message.