When deploying a computer enclosure in a dusty, dirty, or wash down environment, the tower, monitor, and printer are installed inside of the enclosure. What about the keyboard and mouse?
It is probably no surprise that a standard desktop keyboard or mouse will not perform well ‘out in the elements.’ If deployed in a rugged location, a standard keyboard and mouse will likely fail within a short period of time. They are not meant to be wet and reside in a dirty environment. When using a keyboard or mouse in a harsh, manufacturing factory, a NEMA rated industrial device should be utilized to eliminate downtime.
Tips for finding a robust industrial keyboard and mouse:
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Material Make-up
Keyboards and pointing devices for an industrial environment should be manufactured to withstand whatever might be thrown at them, like dirt, dust, grease, water, and chemicals. When searching for the best solution for your application, make sure that it is optimized for the best data input. The keyboard should be constructed out of a stainless steel or polycarbonate material. The actual keypad or mouse could be made of non-corrosive plastic, polymer, or silicone rubber – all are waterproof. These materials will protect against a heavy wash down and corrosive materials that are often used during the sanitation process. -
Pointing Device
A standalone mouse may not be a viable option when deploying a computer enclosure workstation. In this instance, find a keyboard that has a built-in track ball, joystick, touchpad, or hula point that can serve as an operator mouse. With an all-in-one keyboard and pointing device combination, only one wire is necessary. Consider installing a waterproof USB port(s) on the front of the enclosure. This will make set-up easy and efficient. Wireless options might also be available (see below). -
Desktop or Panel Mount
A panel mount style keyboard is ideal for applications when the input device needs to be stationary and protected. Panel mount keyboards are built into an enclosure workspace and are installed by cutting into the enclosure’s body based on the manufacturer’s specifications. Another option is to simply place a desktop keyboard on the enclosure work surface. It can be easily moved or hidden in a rollout keyboard drawer or shelf when not in use.
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Wire or Wireless
If using a stainless steel, NEMA 4X, or NEMA 4 computer enclosure, entry points for wires and cables are at a minimum to eliminate water penetration. A wireless keyboard or mouse may be a viable solution. However, it must be determined if the wireless device can “talk to” or communicate with the enclosed computer system. Depending on the thickness of the enclosure walls, the wireless signal may not be strong enough to penetrate through the cabinet. A single wire or cable can be used in conjunction with a waterproof gland cable entry. In this instance, it is important to note if the cable needs to be a USB or PS2 interface.
When deploying electronics in a harsh environment, the goal is always to reduce downtime, purchase durable products, and keep the electronics running for an extended period of time. Therefore, review the warranty before purchasing something that is expected to be in use for many years. Also, make sure that the keyboard’s operating temperature range fits within the installation location. If not, the keyboard will cease to work, even if everything else was considered prior to deployment. The operating temperature should be listed in the product’s technical data sheet. A quality, ergonomic palm rest is also a good accessory to add!
For more information: “Keys” to Finding the Perfect Industrial Keyboard for a PC Enclosure
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