EL CID™ Evolution – Low-flux Core Test Instrument

Offline Low Power Testing of Stator Core Inter-Laminar Insulation

Product Overview

The EL CID™ Evolution Low-Flux Core Tester is the only industry recognized instrument for low-flux core testing identifying inter-laminar insulation breakdown within a stator core.

Download Brochure
Works with the Following Assets
Assists with the Following Type of Monitoring

Stator cores are made of thin laminations of magnetic steel separated by insulation to prevent axial currents. If lamination shorts occur, the high temperatures that result can burn stator coil insulation and even lead to melting of stator cores.

EL CID™ Low Power Core Tester is the only industry recognized and world-wide accepted instrument for reliable and safe detection of stator core inter-laminar insulation faults. EL CID™ Low-Flux Core Tester can also be used for off-line detection of broken rotor bars in squirrel cage rotors.

The only alternative to the Iris Power EL CID™ Evolution Low-Flux Core Test is the Ring Flux (full flux) test which requires large power supplies, considerable manpower, and expensive infrared viewing cameras.

Product Details


  • Only one technician is needed to perform the low-flux core test using the EL CID™ Evolution tester
  • Safe for core and operator, unlike Ring Flux test which is potentially damaging to the unventilated core
  • Iris Power EL CID™ Evolution Low-Flux Core Tester instrument uses an excitation kit to operate the test at only 4% of normal operating flux.
  • Measurement results are digitally stored in the PC for analysis and automatic report generation.
  • Any imperfections in the core inter-laminar insulation produce fault currents which are detected by a Chattock coil and analyzed by the Iris Power ELAN software.
  • Future results can be compared to past results for trend analysis.

The EL CID™  Evolution Low-Flux Core Tester includes the following components:

  • EL CID™ Evolution Low-Flux Core Test Instrument
  • Chattock Sensors (10, 20, 25 and 30 cm)
  •  Reference Sensor
  •  Magnetic Manual Trolley
  •  Step Iron Trolley
  •  Calibration Unit
  • Switched Turbo Excitation System including 30 m of excitation cables
  •  Volt Meter and Clamp-on Ammeter
  •  ELAN CD with Software Licence
  •  Handbook
  • Two Wheeled Transit Cases

Get a Quote

Call us at +1 905.677.4824 or Toll Free at +1 888-873-4747 or fill out our online quote form below.

Learning Center

This Resource Library is designed to provide current, relevant resources that provide technical knowledge and practical solutions for owners and operators of rotating machines. We encourage you to use the search feature and filters to locate specific resources of interest.


Articles, Technical Papers, & Case Studies

Stator End-Winding Vibration in Two-Pole Machines – Avoiding Generator Failure

IN THE PAST 15 YEARS, INSURANCE INDUSTRY DATA HAVE indicated that stator end-winding vibration has become the most important ...



Hands-on, practical experience

EL CID Training | Electromagnetic Core Imperfection Detection – October 1-3, 2024 – Iris Power, Toronto, Canada

Reasons to Take The Course Mechanical, electrical and environmental stresses can cause a breakdown in the inter-laminar insulation on Stator Core…


IRMC 2024 June 17-20, 2024 - Renaissance Las Vegas, Las Vegas NV

IRMC 2024

Looking for more Information

Sign up to receive our latest whitepapers, webinars, new product information, product updates and more.