3-Axis Medical Trackballs
3-axis Trackballs: NSI’s 3-axis Trackballs offer high precision cursor control with an added Z-axis control wheel for scroll/zoom functionality. These trackballs incorporate laser optical tracking technology, ensuring accurate cursor movements across different surfaces3. Features include removable 38 mm or 50 mm trackballs, multiple output options like PS/2, USB, or Quadrature, and various top plate configurations. This makes them ideal for complex user interfaces and rugged environments where reliable performance is essential3.
Features
- Z-axis control wheel for scroll/zoom capability
- Removable ball – 38mm or 50 mm ball
- Same functionality as mouse scroll wheel or rotary encoder
- 3 Mounting Points – optimised for panel switch proximity
- Smooth operation in rugged environments
- Various top plate configurations available
- Allows Complete Customisation
- High quality; smooth bearing for Z-axis
- Ideal for applications where feel is critical.
- USB/PS2 (auto-select) or quadrature
Data Sheet
Latest blogs and articles.
Check out some of the recent blogs from the experts at Seatronx

Can a Marine Display Throw Off the Ship’s Compass?
A brand-new screen goes in above the wheel, the picture is crisp and bright, and the sea trial looks perfect, until the helmsman notices the

Why Polarized Sunglasses Black Out a Helm Display
The failure looks like a hardware fault and is nothing of the sort. A captain slips on a favorite pair of polarized sunglasses, glances at

Sharper Live Sonar Is Outrunning Helm Displays
The newest live-sonar systems reaching the water render noticeably more on-screen detail than the units they replace, with a fresh generation claiming roughly twenty percent
Stay informed with the latest news
Stay informed with the latest updates and news.
From industry insights to trending topics, get all the information you need to stay ahead and in the know.