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The vibration and shock in mining vehicles, bulldozers, forklifts and other heavy equipment wear out standard computers and most other components. Whether the computer is dropped on the ground, a wheel might be hit by a stone or exposed to shocks and bumps in a bulldozer, it must continue to work. To design a computer for years of rugged use, we have carefully selected and customized each component to withstand severe vibration and shock. These components are also designed to work in conjunction with each other.
Shock, bumps and rough treatment
We test our products for several shocks in each direction during a long time. Tests are performed by Kitron (former producer for SAAB and Bofors Military divisions) and SP -Swedish National Testing and Research Institute.
We comply with MIL810F 514.4 standard as well as IEC 68-2-36, IEC 68-2-27 and IEC 68-2-29. Most products have been through tougher tests than the reference standards require, tested to reveal the environmental performance.
150 000 Miles tough off-road driving
JLT computers are tested for vibration in three directions with a frequency from 5 to 500 Hz for 3 hours to mimic and exaggerate real world stresses. The vibration tests put the products through stresses equal and similar to 150 000 miles of tough off-road driving. These tests are all made at different temperatures and moisture conditions to ensure reliability in any weather and prepare for work in any vehicle. |
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Vibration:
Random 4.45 g-rms, 5 - 500 Hz, 3 x 3 h
Shock: Half-sine 30 g, 11 ms, 3 x X,Y,Z
Bumps: Half-sine 15 g, 6ms, 500 x X,Y,Z |
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2010-08-02
JLT receives large order from the U.S.
JLT Mobile Computers AB, a leading manufacturer and developer of rugged computer solutions for the toughest environments, has in July received an order worth 35 million SEK. The order concerns vehicle-mounted computers which will be delivered in 2010. The end customer is a U.S. based world leading company.
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2010-06-28
JLT Mobile Computers result in faster harbour logistics
JLT Mobile Computers AB, a leading manufacturer and developer of rugged computer solutions for the toughest environments, is providing in-vehicle computers to the Port of Norrkoping, Sweden. Part of a major new IT installation for the port, the JLT computers will speed up container handling by improving communications, container positioning and logistics. With the new system, forklift drivers quickly locate and identify the correct containers, truck drivers have less queuing, customer service levels are improved and operational costs are reduced.
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2010-06-14
JLT Pumps up Tablet PC Performance with Intel Atomic Power and Windows 7
JLT started shipments of a brand new version of the JLT8404 Field Tablet PC. Designed and built in Sweden, this upgrade includes a number of technological innovations, including a new ultra-low voltage Intel® Atom™ processor. This energy-efficient chip runs at 1.6GHz, bringing much higher performance and enhanced 3D graphic capabilities for JLT8404 users. The unit is available today for immediate delivery in standard configuration.
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