System Performance Check for Mag Particle Benches

System Performance Check for Mag Particle Benches

According to ASTM E1444 and ASTM E3024 daily system performance checks are required. This article explains how to perform those checks.

By Brian Batteiger, Service & Custom Equipment Manager

The latest editions of ASTM E1444 and ASTM E3024 require daily system performance verification of MPI machines. To perform this test, customers can either use test parts with discontinuities or fabricated test parts with discontinuities.

If using test parts with discontinuities, the reference parts should have discontinuities that are similar to the type, location and size specified in the acceptance requirements. It is also critical to demagnetize and clean the parts after performing the test to prevent false test results.

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