MDL launches new underground 3D image void scanner

AN innovative new void scanner for on-the-spot, underground mine surveys has been launched by Aberdeen-based Measurement Devices Ltd (MDL).The Void Scanner …
AN innovative new void scanner for on-the-spot, underground mine surveys has been launched by Aberdeen-based Measurement Devices Ltd (MDL).The Void Scanner 150 (VS150), is designed, manufactured and distributed by eye-safe laser technology specialist MDL as the latest addition to its range of industrial-quality laser scanners used worldwide in many industrial applications.Developed mainly for use in underground mining, the VS150 is practical and easy-to-use for the 3D laser scanning of subterranean voids, stopes, tunnels and shafts. Designed for use by mine foremen, surveyors and engineers, the VS150 weighs only 3.5kgs and is 130mm wide and 450mm long, making it light and easy to carry where access is limited or potentially dangerous.Versatile use by tripod, boom, mast, crane or wire line is created by mounting points on the VS150 which also has built-in digital 4 axis 'pitch and roll' sensors to automatically correct for dislevelment when deployed either vertically (+/-70 degrees) or horizontally (+/-70 degrees).The VS150 scan rate is 250 points per second with a scan range of 360 degrees horizontal axis continuous and 300 degrees vertical axis continuous. Data output and control (from tablet PC's or PDA's) is via an Ethernet cable of up to 1km length. A Wi-Fi option will be available when the instrument is deployed from robotic unmanned mining machinery.The launch of the VS150 follows the huge success of MDL’s 50mm-diameter Cavity Autoscanning Laser System (C-ALS) which is used for carrying out remote surveys, from above ground, of subterranean voids and cavities.MDL founder and managing director, Steve Ball, says: “The success of C-ALS led to demand from the mining industry for a lightweight, rugged, multi-purpose laser scanner which can be used daily to make measurements inside mine workings by staff such as mine foremen or surveyors.“VS 150 has been created using elements of C-ALS but omitting items such as the camera and navigation system. The instrument has the same performance as C-ALS in that it is capable of producing 3D laser scans allowing visualisation of the shape and size of the cavities and voids, tunnels and shafts and data measured can be exported to most major CAD systems.“We see VS150’s typical use as being before and after excavations, before or after drilling and blasting and for end-of-shift volumetric measurements to gain a quick, easy, accurate record of productivity. It is easy to use – you do not require technological expertise - and, as such, is a vital new piece of equipment for the modern mining engineer.”

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www.mdl.co.uk

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