The Humanscale 500 Big Keyboard Tray design ensures that users type and mouse within their neutral reach zone, creating a safe, comfortable and sustainable work environment. The neutral zone in a standard office workspace is defined as the area where a user sits and works at a desk and can easily reach and interact with surrounding computer accessories, including a keyboard and mouse. Unlike older generation keyboard and mouse solutions, Humanscale keyboard trays are designed to ensure that nearly all users are able to work consistently within their Neutral Reach Zone, and thus maintain a low-risk posture. These boards keep everything on one worksurface rather than use a mousing platform; this keeps a mouse on the same tilt as a keyboard in use. If you prefer to set the mousing surface angle separately, any of the other Humanscale keyboard trays aside from the 400 keyboard tray platform offer this option.
|Mechanism||6G, 5G, or 2G height-adjustable arm|
|Palm rest material||Gel or foam|
|Dimensions||27" W x 10.625" D|
|Warranty||15 year warranty|
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|''The neutral reach zone is the area that can be conveniently reached with a sweep of the forearm while the upper arm hangs in a natural position at the side.'' (Sanders & McCormick, 1993)
Check out our video review of the Humanscale Keyboard Tray Systems below.
Choose between Humanscale's three most popular arms.
The 5G and 6G mechanisms are their newest and most user-friendly mechanisms. They are built for maximum stability and are extremely durable. They feature:
The 2G mechanism offers the same range of adjustment but the tilt is not as easy to set. This is a great choice if you're seeking to save some money without sacrificing quality or function.
Humanscale 6G Keyboard Tray Mechanism
Humanscale 5G Keyboard Tray Mechanism
Humanscale 2G Keyboard Tray Mechanism
The track mounts to the underside of your work surface and is what the mechanism slides forward and back on. Standard length on this mechanism is 21 5/8". If you do not have enough depth under your work surface to clear this, please see our Humanscale 500 & 550 Big Keyboard Tray - Design Your Own listing. Be sure to measure the depth under your desk (front to back) to confirm the track will fit; you need to have a track at least 1/2" shorter than the overall depth of your desk.
Choose no palm support or a 27'' long foam or gel filled palm support. Both palm supports are easy to clean and removable.
The Goldtouch Go! Travel Notebook and Tablet Stand will come in handy not only when you're traveling, but anytime you want to set your laptop or tablet in an ergonomic position. Choose from seven different height settings to keep your screen at eye-level, which helps you avoid problems like eye strain and neck and back pain. This item also works well as a document holder, allowing you to input data without having to move your neck repeatedly from document to screen. The stand is lightweight and easily portable, yet strong enough to support laptops up to 17'' in length. Best of all, it's free!
The Humanscale 500 Big Board Keyboard Tray provides a wide, sturdy surface that can improve the quality of your ergonomic workstation by putting both your mouse and keyboard at a comfortable height on a single surface. The sturdy, height-adjustable mechanism with a built-in negative tilt function assists in keeping your wrists straight and your arms at a comfortable height, preventing stress commonly associated with poor mouse and keyboard placement.
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