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Stemmer Imaging Expands Range of Infrared Cameras for Food Inspection

Stemmer Imaging has boosted its range of infrared (SWIR & NIR) sensitive cameras with the addition of new models from Xenics, Allied Vision Technologies, IDS GmbH, JAI and Teledyne DALSA.

These cameras provide a wide choice of resolution, sensitivity, waveband and other functionality, but it is their enhanced performance in imaging light from the NIR region of the spectrum (700 to 1050 nm) and for the Xenics product SWIR (1um to 3nm), that allows them to reveal information in food inspection that simply cannot be obtained using conventional imaging.

Infrared imaging is particularly important in the inspection of foods such as fruit, vegetables, nuts and meat, because NIR & SWIR radiation allows features below the surface of the object to be viewed, whereas standard cameras can only show surface information. This allows checks to be made for early signs of decay, mechanical bruising and pest damage below the surface. This subsurface imaging capability also offers the added benefit of being able to check the contents under printed packages, giving allowing a further quality check even after a product has been packaged.

The new additions to the infrared camera range include both area scan and linescan models together with a choice of vision data transfer interfaces and a rich array of features. This allows easy interfacing into existing processing lines and ensures that the most appropriate camera to be chosen for the particular application.

STEMMER IMAGING provides world-class expertise and support in imaging technology, not just in applications that benefit from the use of Infrared imaging but across all machine vision applications. As an independent supplier, it is well positioned to offer advice on the optimum components for a particular project. In addition, feasibility studies and practical tests can be performed in-house to confirm results and remove uncertainty.

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