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New high-sensitivity 3D line profiler sensors allow use of lower power lasers

18 June 2018

LMI Technologies has introduced new D-versions of its Gocator 2100/2300 series of 3D line profile sensors. These Class 2 (previously 2M) and Class 3R laser models offer over 2x the sensitivity of previous generations. This improved sensitivity allows laser requirements to be reduced from 3B to 3R in some cases, thus avoiding the safety considerations needed for 3B, and from 3R to 2 in many other applications.

The significantly improved performance in the new D-versions of these self-contained 3D line profile sensors has been made possible through the introduction of Gocator 5.0 firmware. It allows darker targets to be scanned at higher speeds using lower laser intensity.

D-version Gocators are equipped with the safer class 2 lasers instead of class 2M, yet offer up to 3.7x greater sensitivity than the previous 2M models. Class 2 lasers have the added benefit that the use of optical instruments does not increase the risk of eye injury.

With sensitivity up to 5.7x greater than previous 3R models, the new D-version 3R Gocators offer performance levels such that a 3B version is often no longer necessary. This reduces customer integration complexity and cost. For cases where 3B laser power is a critical requirement, original C-version 3B Gocators are still available.

Most Gocator 2100/2300 performance specifications, including resolution and linearity, remain unchanged in the D-versions, although there are revised nominal ocular hazard distance (NOHD) values for the new models. The Gocator 2100 series has a resolution of 640 points per profile with a field-of view up to 1260 mm and a measurement range up to 800mm. For higher resolution applications, the Gocator 2300 series offers megapixel resolution of 1280 points per profile with the same field of view and measurement range as the 2100 series.

The Gocator 2100 and 2300 series bring advanced 3D smart imaging capabilities to a wide market, providing factories with a comprehensive range of tools to improve efficiencies in product validation. Laser line measurements of cross-sectional shapes of parts and materials surfaces can be collected to create 3D point clouds representing whole parts for performing volumetric measurements. Built-in measurement tools make 3D measurement reliable, repeatable, and easy, and there is no need to send 3D point cloud data to 3rd-party software.

Gocator laser profilers support seamless multi-sensor networking for scanning large or complex objects, such as those with irregular surface geometry and multiple occlusions. The new D-versions can be linked with each other or with older C-version models, providing they are running the same version of firmware. In additions, applications written using earlier versions of the SDK are compatible with the new models.

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