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Inspection and Verification Systems
Westlund has built stand alone and integrated inspection / verification systems. The systems have used mechanical, optical and/or electrical methods to determine the product characteristic required. Product presence can be detected by mechanically testing for limit switch movement, measuring a vacuum level during movement of a vacuum cup, photoeye beam reflection, ultrasonic signal disruption, or image pixel evaluation. Correct printing or coding can be certified by scanning an image or evaluating an optical "picture" from a camera. Product or package characteristics can be "measured" with linear tranducers or calcualtion based on pixels of a camera system.
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