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RIEGL VQ-840-G - 6 Pages

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RIEGL VQ-840-G

Catalog excerpts

Compact Topo-Hydrographic Airborne Laser Scanner with Online Waveform Processing and Full Waveform Recording • designed for combined topographic and hydrographic airborne and UAV-based survey • concurrent comprehensive full storage for all measurements for subsequent full waveform analysis • high spatial resolution due to measurement rate of up to 200 kHz and high scanning speed of up to 100 scans/sec • integrated inertial navigation system • additional, fully integrated infrared laser rangefinder (optional) ional) onal n • integrated digital camera (optional) (optional) (opt ona ) • compact, lightweight and robust and robust nd obus bust housing compliant with typical with typical i h ypica ypic hatches in aircrafts and with ts and with s nd ith stabilized platforms orms rms The scanner carries out laser range measurements for high resolura tion surveying of underwater topography with a narrow, visible green topog laser beam, emitted from a pulsed laser source. Subject to clarity, at mitted ed pul p this particular wavelength the laser beam penetrates water enabling ar r measurement of submerg ment submerged targets. t The distance measu stance measurem ance measurement is based on the time-of-flight measurement with very short laser pulses and subsequent echo digitization and online h processing. To handle target situations with most complex waveform proce multiple echo signals, beside the online waveform processing the ec ech digitized echo waveforms can be stored on the removable data e storage card for subsequent off-line full waveform analysis. The laser beam is deflected in an elliptic scan pattern and hits the water surface at an incidence angle with low variation. s The VQ-840-G comprises an inertial navigation sensor for subsequent estimation of the instrument’s location and orientation. As an option either a high-resolution digital camera or an infrared laser rangefinder can be integrated to supplement the data gained by the green laser scanner. The rugged internal mechanical structure together with the dust- and splash water proof housing enables long-term operation on airborne platforms. • high accuracy ranging based on echo digitization and online waveform processing with multiple-target capability The new RIEGL® VQ-840-G is a fully integrated compact airborne laser scanner for combined hydrographic and topographic surveying. The system is offered with an integrated and factory-calibrated GNSS/IMU system and can be complemented with an optional camera or IR rangefinder. The VQ-840-G is a compact and lightweight LiDAR system to be installed on various platforms including UAVs. do Typical applications include • coastline and shallow water mapping • surveying for hydraulic engineering • hydro-archeological-surveying • river surveying • repeated survey of water reservoirs visit our website www.riegl.com Airborne Laser Scann

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RIEGL VQ-840-G Scan Pattern transmitted laser pulse elliptic scan of green laser scanner received echo signal shoreline water surface surface echo bottom echo bottom echo surface echo Point pattern and density for UAV applications flying altitude 75 m, flying speed 20 kts, average point density: 92 points/sqm black lines: scan trace on ground, red crosses: points on the ground Point pattern and density for helicopter applications flying altitude 150 m, flying speed 50 kts, average point density: 18 points/sqm black lines: scan trace on ground, red crosses: points on the ground Copyright...

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RIEGL VQ-840-G Main Dimensions RIEGL VQ-880-G Housing RIEGL VQ-840-G Perspective View connector panel beam exit window for camera or IR rangefinder Preliminary Data Sheet Copyright RIEGL Laser Measurement Systems GmbH © 2018– All rights reserved. beam exit window

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Important Note:    The following technical data is relevant for a RIEGL VQ-840-G Topo-Hydrographic Airborne Laser Scanner equipped with an additional optional Infrared Laser Rangefinder and is to be seen as a supplement to the Technical Data of the Basic System with Green Laser Scanner. Range Measurement Performance Measuring Principle    time of flight measurement, echo signal digitization, online waveform processing 1) Rounded values. 2) Typical values for average conditions. Maximum range is specified for flat targets with size in excess of the laser beam diameter, perpendicular angle of...

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Export Classification The Topo-Hydrographic Airborne Laser Scanner VQ-840-G has been designed and developed for commercial topographic, hydrographic and bathymetric surveying applications. Laser Product Classification Laser Class The VQ-840-G is subject to export restrictions as set up by the Wassenaar Arrangement. It is classified as dual-use good according to position number 6A8j3 of the official Dual-Use-List has to be found on site http://www.wassenaar.org. Within the European Union, Council Regulation (EC) No 428/2009 implements the export restrictions of the Wassenaar Arrangement. The...

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RIEGL VQ-840-G Technical Data Integrated Digital Camera (Optional)1) RGB Camera Sensor Resolution Sensor Dimensions (diagonal) Focal Length of Camera Lens Field of View (FOV) Interface 12 MPixel 43 mm (full format) 50 mm approx. 40° x 27° GigE Data Interfaces Configuration Scan Data Output GNSS Interface 2) LAN 10/100/1 000 Mbit/sec LAN 10/100/1 000 Mbit/sec, Serial RS232 interface for data string with GNSS-time information, TTL input for 1 PPS synchronization pulse 1x power, RS232,1pps, trigger exposure CFast®, up to 512 GByte Camera Interface Removable Storage Card General Technical Data...

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