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  • 2-D Optical Micrometer

Photonics Spectra
Feb 2012
KEYENCE Corp. of AmericaRequest Info
Keyence Corp. of America's TM-3000 2-D optical micrometer introduces technological advancements to 100% automated high-speed, in-line or off-line measurement and inspection applications. It combines the functionality of a laser scan micrometer, a machine vision system and an optical comparator. Available in three sensor head sizes, it enables use of two transmitter-receiver pairs simultaneously. The micrometer employs a dual telecentric lens to create uniform collimated light with a green LED. A 2-D CMOS array then detects the light-to-dark transitions on the array to measure the dimensions. High speed and high precision are a result of subpixel processing only in the areas or points designated for measurement. Because the system works in two dimensions, it can measure up to 16 points within the measurement area.


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optical comparator
Typically used for the examination of manufactured or engineered parts, an optical gauging device, in which a backlight is used to project the silhouette of an object upon a screen in which the physical dimensions of the object, can be visually measured.
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