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Eriez

Eriez Pull Test Kits

Accurately and consistently measure the holding force of any magnet

 

Pull Test Kits

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Eriez Pull Test Kits

Eriez has pioneered the adoption of standard test equipment for determining the relative strength of magnetic separation equipment. While flux density (Gauss) is the standard measure for evaluating a magnetic design, it is not a practical measurement for assessing the relative effectiveness of a magnetic separator. Therefore, Eriez has developed kits that when properly used will help you monitor the efficiency of your separator by measuring the holding force of a magnet.

While we use the Pull Test Kit as a quality control device, we list typical pull test values to guide you in your inspection. Pull test values can and will vary among separators due to a variety of magnet options. We suggest you use the kit not to verify the values listed but to monitor your separator’s performance over time. Record the pull test results of your periodic inspections to evaluate any changes in magnetic performance.

Starting the Pull Test Procedure

  • Clean the magnet surface. Even a small gap between the pull test piece and the magnet will adversely effect the test results.
  • Select the appropriate pull test piece and spacer for your separator based on the guidelines set forth, and attach it to the scale (if you are using the Graduated Scale).
  • Zero the scale with the appropriate pull test piece by rotating the adjustment knob on top until the scale line measures zero.
  • Allow the piece to attract to the magnet and position the scale perpendicular to the magnet surface.
  • Secure or hold the magnet and pull the scale directly away from the magnet smoothly and evenly. Be careful as the piece may snap unexpectedly from the magnet surface. Note the measurement by reading the metal slide as it moves down along the side barrel of the scale.
  • Repeat the test to verify the results and the method of testing. It is not uncommon for different individuals to record different results.

 

 

 

 

Document Download: Eriez Pull Test Kit Brochure 

 

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ERIEZ
Headquarters | 2200 Asbury Road | Erie, PA 16506
814.835.6000 | 800.345.4946