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Metal Detection, X-ray Inspection or Both?

Published: Monday, August 12, 2013
Last Updated: Monday, August 12, 2013
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New Mettler-Toledo white paper helps manufacturers make the right choice.

Food and pharmaceutical manufacturers are increasingly investing in contaminant-detection equipment to enhance product safety and quality control.

However, deciding whether to purchase a metal detector, x-ray inspection system or both can be confusing.

Mettler-Toledo's brand-new white paper dispels the myths surrounding the two technologies and simplifies the choice between them.

By doing so, it helps manufacturers select the most appropriate contaminant-detection solution for their specific application and budget.

The 12-page paper, which can be downloaded for free, describes how metal detectors and x-ray inspection systems work and explains their capabilities and limitations.

Knowing the strengths and weaknesses of the technologies helps readers understand why one may perform better than the other at different points on a production line.

The paper goes on to review the performances of the technologies across a range of applications and makes it easy for readers to pinpoint the detection solution that is right for their application by taking them step-by-step through the various combinations of product, packaging and contaminant they are likely to encounter.

Towards the end of the paper is a simple yes-no flowchart, which is a good starting point for choosing an appropriate system, as well as a table summarizing the key differences between the two technologies.

In some circumstances metal detection is a clear winner; in others x-ray inspection comes out on top. But not everything is quite so clear-cut.

Often there is not much to choose between them, and sometimes the most reliable solution may be to install both technologies in different locations on the production line.

Whatever the case, the white paper is essential reading for quality control managers looking to find a contaminant-detection solution that will simultaneously protect their brand, meet their budget and is compatible with their production processes.

The white paper “Metal Detection, X-ray Inspection or Both?” is available for download at

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