YM-5 - Discontinued


Discontinued September 10, 2018

Permanent Magnetic Yoke

The YM-5 is a portable permanent magnetic yoke designed with hinged arms and rotating pole pieces to allow a wide variety of test part profiles to be magnetized, while the specially shaped pole pieces permit easy removal from the component for cleaning.

It provides a portable and convenient method of magnetizing components for magnetic particle inspection flaw detection with no power supply needed. The YM-5 is supplied with a keeper bar, which includes an artificial flaw to verification of magnetic strength. The field strength of the YM-5 with pole tips in contact is greater than 7,000 Gauss, and it features 40-pound dead-weight lift strength. Recomended replacement Y-1 Electromagnetic Yoke

Benefits & Features

  • Portable magnet for field inspection
  • No electrical supply needed
  • Maximum magnetic field strength
  • Specifications 
  • Part Numbers 
  • Applications 


  • ASTM E709
  • ASTM E1444
  • ASTM E3024

Part Numbers

YM-5    001Y005


Locate a Distributor


Defect location: Subsurface (and some surface)

Ideal for:

  • Spot inspections
  • Demanding environments
  • Remote sites
  • Difficult to reach areas

Defect examples:

  • Inclusions
  • Seams
  • Tears
  • Laps
  • Welding slag
  • Grinding cracks
  • Quenching cracks

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