Products
Menu

Lizard^® Pedestrian FGI
Inspection System

'Most Significant Contribution To Safty' National Rail Awards

Lizard® system is based upon a revolutionary field gradient imaging technology (FGI) arranged in the form of an electromagnetic camera head enabling the visualisation of surface breaking defects. Its application towards detection, sizing and management of high density Gauge Corner Cracking for the rail industry where ultrasonic inspection was unable to perform, was the result of a government and industry funded project. The technology and system have been recognised by a Millennium Product Award presented by The Prime Minister, the Rail Engineering Excellence Award, the Rail Industry Award for Innovation in Safety and the 'Most Significant Contribution to Safety' - National Rail Awards presented by Sir Robert Horton.

The system has full rail approvals for inspection of critical track components with many thousands of successful inspections performed to date. An additional FGI sensor array is available for the inspection of switches and crossings, for complete railway rail inspection.

NEST Software

FGI track inspection systems can rapidly acquire data from kilometres of track with typically up to fifty thousand defects per kilometre. NEST provides an essential set of Windows™ based software to perform analytic tasks automatically. This facility for automated data processing brings other benefits, enabling better fidelity of measurement of defect clusters, and the ability to report in a format directly of use to rail engineers. NEST scans the compensated data analysing the location and magnitude of defects, producing a defect database, from which various graphical or tabular report forms can be selected. These range from a visualisation of an individual targeted defect to a summary of maximum defect depth per metre of track. Reports from NEST give a basis for the planning of remedial work and a tool for assessing either the effectiveness of practices such as lubrication and remedial grinding or the impact of traffic.

• High speed operation, 5 times faster than other systems. Complete inspection of gauge corner and rail head.
• Detects defects where ultrasonic inspection is unable to.
• System validation testing performed by recognised third party. 'For a defined criteria of defect location, minimum pocket length and the treatment of closely spaced cracks, the capability of detection of the Lizard system MK2 equipment has been found to be close to 100%' '...recommended for grinding prioritisation.'
• Permanent record of inspection data.
• Detection of defects on new rail and optimisation of rail treatment such as grinding, lubrication etc.
• Monitoring of growth of existing defects for planned maintenance.
• Condition monitoring for improved asset management planning.
• Field proven procedures for rail industry operation.
• Complete data analysis through NEST expert software running under Windows™ - providing detailed information on complete multi-kilometre sections of network.
• Complete flexibility over criteria for defect location, reporting and comparative graphic output for targeting maintenance.
• Data can be exported to any database or spreadsheet for inclusion in records or planning programmes.

System Specification

• Equipment Class: Rail industry specialised Field Gradient Imaging NDT Equipment.
• Real Time Field Gradient Imaging.
• Fast digital sampling for rapid inspection rates. Up to 4.8km/h · Digital Archiving.
• Sensitivity: Defects down to 5mm surface length and 1mm surface penetration. *Note 1
• Profiled to fit new and worn rails.
• Sees through surface debris (oil, dirt etc.)
• Couplant free - No couplant, no chemical contamination of rail or coatings.
• SVGA LCD user display.
• High Electrical Isolation - inspection target to user: 1kV *Note 2
• Battery life of up-to 3hrs 15mins.
• Rail Industry EMC compliant.

Interface

• USB and RS232 Comms.
• 10/100 Base-T Fast Ethernet.
• VGA Monitor Outlet.

Power

• Battery Pack: Lead-Acid Battery 12V 12Ah
• Universal AC charger unit for battery charging. (90-260VAC 47-63Hz)

Enclosure

• Weight 17.5Kg (18.8kg with battery)
• Dimensions 950 x 670 x 300 mm approx.
• UK Rail Industry approved pedestrian trolley.
• IP53 rated Environment Protection.

Training

• ASME and EN473 accredited training courses available world wide.

NEST Software - PC/System requirements

• PC or laptop with a Pentium 3 processor and 256Mb RAM or better, running Windows™ 98, ME, 2000, XP

For further information contact  sales@lizard.co.uk

© NEWT Int. Ltd. 2004 - (Rev.May.04)

The information in this document may be subject to change without prior notification.

Windows™ is a product of the Microsoft Corporation and is used under licence.