Laser Scanners for 2D and 3D scanning

The AccuProfile™ 820 Laser Scanners are Acuity’s high-accuracy sensors for industrial parts scanning. Merging the technologies of machine vision and displacement measurement, these compact devices are ideal for in-line dimensions verification and reverse engineering of components. Common applications include dimensional verification of heights, widths, radius of curvature, gap width, surface separation, part length, hole diameters, etc.

Differences with AP620 sensor models

Both the AP820 and the AP620 profile scanner models use similar triangulation measurement principles. A laser line composed of many, closely-spaced laser spots, is emitted onto a surface. The image of this line is viewed at an angle by a two-dimensional CCD detector array. The AP820 laser scanners are more compact and lighter devices that are designed for use with engineered protective enclosures for tough industrial environments. Although capable of 100 scan lines per second, the AP820 boasts improved resolution and performance on dark surfaces and shiny targets.

Most importantly, the AP820 laser scanners have dynamic, auto-gain which adjusts laser power and sample integration time ("shutter speed") which improves sensor performance on dynamically-changing surfaces. Changing surface reflectivities and orientations will not produce noisy measurements.

The AccuProfile 820 has all the necessary input channels to track up to two encoders as well as a single synchronization channel for applications using multiple sensors. The synchronization prevents detector interference of adjacent lasers.

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