Offline Testing & Diagnostic Reports

Offline testing services and diagnostic reports that provide the relevant information you need to get your machines back online.

Let us help with your offline testing and condition assessment needs so you can focus on getting your machines back online as quickly as possible.  We have Field Service teams and our Rotating Machine Technical Specialists ready to deploy globally to complete the tests, collect the data, analyse the results and provide diagnostic reports including the following services using Iris Power instruments:

  • ELCID – Electromagnetic Core Imperfection Detection Test
  • DeltaMaxx – Tan Delta Test or Dissipation Factor Test
  • DRA-3 –  Polarization and Depolarization Current Test
  • DCR50 – DC Ramp Test
  • PowerMaxx – AC HIPOT – Dielectric Strength Test
  • Corona Scope – High Voltage Off-line Partial Discharge Test
  • Stator Wedge Tightness Test
  • Generator or Motor Visual Inspection
  • Stator End-Winding Impact Test and Modal Analysis

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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

Iris Power | Motor Monitoring
Launch of Online Monitoring of Partial Discharge in Voltage Source Variable Speed Drives

A technical overview of the first medium voltage VS‐PWM drive in the world with on‐line partial discharge monitoring successfully implemented.



Hands-on, practical experience

Hydrogenerator Maintenance Course

The course focuses on hydro-electric generators. Although much of the discussion relates to synchronous machines rated greater than 10MVA and…


Iris Rotating Machine Conference 2017 Monday, June 19, 2017 - Thursday, June 22, 2017 - Orlando, FL

Iris Rotating Machine Conference 2017

The Iris Rotating Machine Conference is devoted to the discussion of predictive maintenance technologies for motors and generators.


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