Hexagon Metrology (North Kingstown, RI) has announced the release of a new HP-O non-contact scanning probe for high accuracy measurement and inspection applications. The device exerts no physical impact on a part, delivering force-free measurement of blisks, blades, gear profiles and flank lines, and other potentially deformable parts, without a loss of accuracy. The HP-O probe’s 3mm diameter and measurement range of up to 20mm provide access to points that are not accessible to tactile probes. Optical measurements can be captured in single point or scanning mode.

The HP-O probe delivers repeatability of under 0.3 μm when used with the Leitz PMM-C coordinate measuring machine (CMM) from Hexagon Metrology. HP-O’s scanning technology can be used to inspect metallic or sensitive part surfaces with mirror-like or polished finishes, eliminating the need to spray a part’s surface. With an acceptance angle of ±30 degrees, the probe can measure difficult-to-access features at a scanning speed of 1,000 points per second for rapid throughput.

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