DCR 60-2 DC Ramp Test Instrument

Offline Test for Ramped High Voltage DC Test on Stator Winding Insulation

Product Overview

The Iris Power DCR 60-2 is a simple off-line DC tester to identify problems in the stator ground wall insulation system of generators and motors before an unexpected in-service failure occurs. Unlike the pass or fail of a DC or AC hi-pot test, the DC ramp test gives diagnostic information and can be stopped before a failure occurs.

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Assists with the Following Type of Monitoring

Unlike a stepped voltage test, the ramped voltage test enables the user to separate the polarization and capacitive current components from the leakage current so that small insulation defects can be easily found. A single-phase test usually takes less than an hour to perform and can be done by one person. The DCR 60-2 tests according to IEEE Standard 95-2002. In manual mode, the DCR60-2 can also perform the “uniform time” and “graded time” voltage step DC tests, according to IEEE standard 95-2002.

The DC Ramp Test method has been proven in use by the US Bureau of Reclamation and others on a wide variety of machines with asphalt, polyester and epoxy-mica insulations.

Test curves are captured on a PC to allow easy comparison to similar machines or past results.

Product Details


  • Automatically ramps voltage from 0 to pre-selected voltage
  • Allows manual user-selected voltage control in the range from 0 to 60kV
  • Built-in safe winding discharge circuit
  • USB connection to PC to: display results as test progresses, store multiple curves and test parameters for later analysis and display curves side-by-side for test comparison
  • Examination of the current versus voltage curve allows test stoppage before failure of insulation and diagnosis of damage, defects, and deterioration mechanisms.
  • Automatic calculation of polarization index (PI)

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

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



Hands-on, practical experience

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IRMC 2024

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