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Outdoor, there are a lot of reasons to be careful about temperature. Basically, most providers of components to computer manufacturers specify a fairly narrow temperature range. Heat can be a problem in any high-performance system and as rotating fans are unsuitable for mechanical reasons, cooling must be made otherwise.
Our computers are built to work reliably in extreme temperature conditions like desert heat, arctic cold and humid jungles. To accomplish this, thermodynamic specialists design our computers. Then, our products are pushed to the limit in test chambers. In addition to tough testing, years of rugged use in the field ensure reliability in the most demanding situations.
No rotating components
Our computers do not use rotating fans because vibration and shock often results in a broken fan which in the near future will crash the computer. In addition, fans can also force dirt and moisture into a computer, and thus be the weakest point in a computer's design.
Our computers can be equipped with either rotating or non-rotating hard drives. This ability to choose is important, because storage devices can often be the bottleneck component. Maximum temperature performance can be achieved through non-rotating discs.
However, in cases where the cost of a flash drive is prohibitive, the temperature is reasonable and the mechanical wear and tear is moderate, our computers run satisfactorily well with rotating drives
Chemical test procedure
Chemical test are performed by exposing the computer to a chemical solution for one hour in a high temperature (80°C). To successfully pass the testing, the computer is washed clean and should look and work in perfect order. The display screen and chassis must be in "new condition” without stains or damage
Flammability
Computers should never be the cause of fire. However a computer that is not designed with fire resistant features can be the "ignite" to a fire with extensive material damages and human injuries. JLT computers will not be the ignition for fire, nor will they serve as good firewood. |
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Temperature
Operating temperature: -20° C to + 60° C
Extended temperature
(no rotating HDD): -35° C to + 60° C
Storage temperature: -35° C to + 75° C
Temperature change: 20° C / min
Humidity
Temperature: +40° C
Relative: 10 - 95% |
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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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