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The key elements of an Acuity laser scanner are an AR4000 laser rangefinder,
the spinning mirror assembly (line scanner) and a high speed interface card.
The options available for the AccuRange line scanner include an environmental
enclosure and several choices of high speed interface cards. Additionally,
Acuity offers several software libraries to ease your programmer's burden
of developing application software for the Acuity hardware
AccuRange High Speed
By definition, the interface cards enable high speed sampling by the rangefinder. The High Speed Interface card permits the tracking of encoder positions in the AccuRange Line Scanner. It can sample all the AccuRange outputs at up to 200,000 times per second and buffer the data for reading by the host computer. The results are a list of polar coordinates of a distance measurement with a corresponding encoder (mirror position) reading. The board is available in a PCI, PC-104 or ISA bus interfaces. All models sample to 50 KHz. Acuty also offers a 200 KHz version for the PCI format. 200 KHz models require special hardware configurations of the AR4000's back panel. The high speed range frequency signal is transmitted on a dedicated coaxial cable that goes from the rangefinder to pin 6 of the 9-pin connector. See the PCI 200 KHz High Speed Interface user's manual for more information.
Line Scanner environmental enclosure
The window is anti-reflection coated window mounted at an angle that prevents reflections from returning to the mirror or to the sensor face. For use in ambient temperatures above 80 F, it is available with a cooling fan or can be used with externally supplied cooling air. The enclosure is available in gray painted steel or brushed stainless.
> Download the Line Scanner Enclosure Schematic Adobe PDF File Size 63 KB
Technologies Software libraries for Acuity products
These software libraries are licensed on a per-sensor-basis and discounts are available for multi-sensor users. To convince yourself of the value of these software libraries, read our Top Ten reasons to purchase Crandun software libraries.
> Download the
CTI HSIF PCI (Windows, for 50 KHz) Software Library from the Crandun website.
The Acuity laser line scanner with spinning mirror
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Measurement Systems, Inc.
Makers of precision surface measurement and alignment products