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Other things to look for in a rugged laptop start at first sight-its outer case or chassis. (Photo: Zlata Ivleva) Assessing the Chassis The doors covering the Panasonic Toughbook 33's ports, by contrast, are waterproof, with sliding lockable latches. Differences in these doors can contribute to differences in ratings: Those of the Dell Latitude 5424 Rugged, for instance, snap securely shut as part of the system's IP52 score. (Photo: Zlata Ivleva)Ī sure sign that a manufacturer is serious about an IP rating is sealed ports-doors that cover connectors such as USB ports and HDMI video outputs. Unlike some smartphones, no laptop that we know of is safe to wholly submerge, so don't expect to see a liquids rating higher than 5. A device rated 1 can resist a few vertical drips 4 means splashing water and 5 means jets of water and 7 and 8 refer to immersion in less than one meter, and in one to three meters, of water respectively. The second digit after IP measures protection against liquids, this time on a scale of 0 to 9. The number 4 means the system is proof against objects larger than 1mm, such as most wires 5 means some and 6 means complete protection against dust and sand. The number 2 means you can't stick your fingers into the device. The first digit after the letters "IP" denotes safety against solids, on a scale of 0 to 6.
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You can read our primer on IP and MIL-STD ratings for full details, but here's IP in a nutshell. This rating is measured numerically, rather than by general terms such as "dustproof" or "water-resistant."
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Braving the Elements: What Do IP Ratings Mean?Ī more stringent abbreviation seen on seriously sturdy laptops is a code such as "IP65." The IP stands for "ingress protection"-the ability to keep solids or liquids out of the machine's vulnerable innards. Just think of it as a checklist item or the first thing to look for, rather than a guarantee of bulletproof reliability, and be aware that you need to read the fine print. But there's no rule about what height to drop a device from.ĭoes this make the certification useless? Not at all. For example, since users are prone to drop laptops, certification for shock is a popular claim. Because no independent agency certifies MIL-STD compliance, it's up to you to look for documentation or details of which tests a product passed, who conducted the tests-the manufacturer, or an outside lab-and how the tests were performed. The trouble with a MIL-STD 810G sticker on a laptop's box or a vendor's website is that it doesn't tell you enough. Rather, the manufacturer may note that the system has passed, say, 10 or 12 MIL-STD tests. Few computer vendors push their products over every hurdle that the standard posits, including such tortures as gunfire-recoil shock, icing or freezing rain, whether a laptop might spark an explosion in flammable-gas atmospheres, and-wait for it-resistance to fungus. The MIL-STD 810G standard spans over 800 pages and nearly 30 laboratory test methods for challenges ranging from weather (high and low temperatures, rain, and humidity) to physical forces (acceleration, vibration, and shock).
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Even some Chromebooks carry the same designation as these hardy travelers-MIL-STD 810G, which indicates compliance with a series of tests required for the US Department of Defense to consider using a piece of equipment in a military setting. Some Lenovo ThinkPads, HP EliteBooks, and other business systems are reasonably resistant to bumps and bruises, though they can't survive high dives or liquids in excess of minor keyboard spills. Business Table Stakes: What Is MIL-STD 810G?īefore we get into brawny machines that can survive six-foot drops and jets of water, we must acknowledge that not all mainstream notebooks are frail and fragile. Fasten your seat belts, it's going to be a bumpy ride. And we'll guide you to reviews of some of our favorite true-rugged laptops. Let's run through the key things to look for as you shop. Still, for users who need serious computing power in hostile environments, there's no substitute for a laptop that can laugh off mistreatment that would destroy an ordinary machine. That's why many of the true-blue rugged models come with pop-out carrying handles. Two, the weight: A laptop with virtual armor plating can test your biceps to the tune of 10 pounds, an immense burden compared to the three or four pounds of most laptops. What's the price you pay for such super-sturdy survivability? One is, indeed, the literal price: Rugged laptops cost a lot more than their civilian counterparts.
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