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Line Scan Cameras for Continuous Web and Surface Inspection

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Line scan cameras build the image line by line while the material moves, delivering a seamless image of any length at very high resolution. They are the standard choice for film, foil, paper, textile, glass, metal strip and print inspection, and for cylindrical parts scanned during rotation.

Frequently asked questions

What is a line scan camera used for?

For continuous material and rotating parts, where an area scan image would show gaps or overlaps. The camera scans a single line thousands of times per second and the lines are assembled into one seamless image.

How is the camera synchronised with the material?

Usually with an encoder on the transport, so the line rate follows the actual web speed and the image stays geometrically correct even when the line accelerates or slows down.

How many lines per second do I need?

The line rate follows from web speed and the required resolution along the direction of travel; each product page lists the maximum line rate for that model.