Active Versus Passive Scanning for Multi-Point Measurement

The distinction between touch-trigger (single point) measurement and contact scanning is well known. And there are two types of contact scanning technologies: passive and active. Both record surface data based on the movement of a stylus connected to a scanning head.

The difference is what goes on inside the scanning head. The more complex a measured surface becomes, the greater the advantage of an active scanning system.

Carl Zeiss Industrial Metrology, LLC
6250 Sycamore Ln N
Maple Grove, MN 55369
www.zeiss.com/metrology
[email protected]
Phone: 1-800-327-9735
Fax: 763-533-0219

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