Tuesday, January 29, 2019

High speed laser scanners for precision linear measurement.

With eight measurement ranges from 10 to 250 mm, a choice of red, blue or IR source versions and linearity to better than 0.05% FS, Riftek’s new 2D laser scanner combines with a comprehensive software development kit and service protocol to facilitate integration into high precision linear measurement tasks that include surface profile, displacement, dimensions, object recognition, flatness, volume, 3D model construction and more.

This is available with full support from  Ixthus Instrumentation, the smart RF627 series ARM-based laser scanner offers selectable sampling rates up to 6800 profiles/sec with fast inputs and outputs for event and multiple scanner synchronisation.

The RF627 series employs the optical triangulation principle to provide a base distance and a generous measurement range with a wide field of view. The new design has allowed a marked increase of twice the accuracy and four times the speed over previous Riftek 2D scanners for improved measurement precision and throughput. Optional red, blue and IR laser sources allow measurement on reflective materials, high temperature objects, organic materials and more. Multiple scanners with different wavelengths can also be supplied, offering the possibility to combine various materials in one measurement system.

The new laser scanner is designed for use in harsh environments. A durable aluminium housing and a novel high resolution glass lens system offers IP67 protection with shock and vibration resistance suitable for the most demanding tasks. Two compact housing styles cover the scanner geometry requirements for the smaller and the other measurement range models. Volume dimensions for the 250 mm maximum measurement range housing is 44 x 63 x 93 mm (w x d x h). Both have separate power/signal and Ethernet circular connectors rated for IP67. Working temperature is 0 to +40 °С as standard whilst an integrated heater option is available for -20 to +40 °С. A built-in heater and water/air cooled housing option offers a -30 to +120 °С ambient range. Supply voltage is 9 to 30 VDC

Ethernet connection and a web-browser interface facilitates set-up and programming whilst an integral reset button and LED status on the housing makes installation and troubleshooting straightforward. Synchronisation over RS422 covers three inputs and one output with a single hardware input for laser on/off. The laser scanner is supported with a comprehensive user manual and along with the free-of-charge software development kit, including examples for Windows, Linux, .NET, MatLab, and LabView®, is available from Ixthus Instrumentation.

The RF627 series has been designed as a new modular platform for rapid application development and updating of 2D scanners and 3D snapshot scanners. Over the coming months variants will be offered with longer working ranges, higher scan rates and video camera/encoder integration. Furthermore, customised models for weld seam inspection, 3D model measurement, tunnel scanning and more will be offered with compatible ready-to-run software for fast integration in the customer’s application.

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