Product category:
Materials Testing
News Release from: Land Instruments International
Edited by the Manufacturingtalk Editorial
Team on 29 June 2006
Immersion no problem for line scanner
heads
Land Instruments LSP61 line scanner heads was returned to its USA office with a handwritten note that read: "Unit has been underwater during Hurricane Katrina.
'Secure protection against hostile environments' is a favourite phrase amongst manufacturers of process monitoring equipment - but infra-red temperature measurement specialist Land Instruments International has had its confidence in its product vindicated more dramatically than it could have imagined One of the company's LSP61 line scanner heads was returned to its USA office with a handwritten note that read: "Unit has been underwater during Hurricane Katrina
This article was originally published on Manufacturingtalk on 20 Mar 2007 at 8.00am (UK)
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When service technicians removed the covers from the housing they feared the worst - only to discover that the sensitive detector and complex electronic circuitry inside were completely dry and undamaged.
The scanner had come from the production line of a company making building materials in Mobile, Alabama, which was devastated by heavy rains and high winds and left under several feet of water when the hurricane passed through in August 2005.
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It survived its immersion intact thanks to its robust cast aluminium casing and the IP65 environmental sealing between the casing, covers and sapphire window, which meets the standards of EN 61320:1999 Class A for immunity and emission and IEC 1010 for safety.
Although this rigorous specification exemplifies the high engineering standards Land works to, wind and water were not in the forefront of the RandD team's minds when they developed the LSP series of scanning heads.
Instead the emphasis was on compactness to permit installation in restricted spaces, and protection against excessive heat from the process being monitored.
The LSP61 is just 209 x 206 x 100mm.
It generates high speed temperature profiles (up to 100Hz) in the measurement range 50 to 400C, with accuracy to better than +/-3C.
It has a wide scan angle of 80deg and a field of view of 100:1, focusing at target distances up to 3 metres.
A built-in Class 2 laser defines the scan plane and sighting angle, making the initial set up a quick and simple process.
A complete range of scanner mounting assemblies, water cooling and air purging options are also available to suit most operating environments (as the Hurricane Katrina incident convincingly demonstrated).
Completing the system is the new compact size LSP Landscan Signal Processor, a further development of the proven Landscan LPU_2E, with serial and Ethernet temperature data outputs than can interface to local process controls, Landscan NT or the new Landscan Configuration Professional software.
Suitable for a wide range of low-temperature applications, the LSP_System is especially useful for plastics thermoforming, coating processes, paper, polymer-based flooring and building products such as plaster board.
In the Mobile customer's plant, the LSP61 scanner is located at the end of a curing process.
The image it produces helps the user to maintain uniformity of both the curing and an upstream coating/finishing operation.
Variations in temperature can rapidly identify and pin point non-uniform coating, which if not detected can produce undesired surface finish characteristics and potential for out-of-tolerance dimension attributes.
Another benefit is that non-uniform temperature in the cross-machine direction will relate to uneven heating in the curing process which, if caught early, can be adjusted to balance oven performance before product quality goes out of established tolerances. Request free introductory details about products from Land Instruments International ...
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