Optical trackball E50-76A31D

desktop2 inch (50 mm)rugged

Laser optical navigation technology Integrated left, middle and right switch functionality Removable ball for easy cleaning Smooth operation in rugged environments Weight : ~500 grams Case material : PC/ABS Case colour/finish : Black/soft touch Tracking force : 30-80 grams – PTFE seal Ball load : 200N (20Kg) maximum downward pressure for 2 minutes @ 20°C Resolvable ball speed : 30 IPS (inches per second) Tracking engine : Infra-red optical navigation technology Removable ring style/colour : Bayonet style locking ring/black Scroll wheel specifications Wheel diameter: Ø25mm Wheel material : PC/ABS Wheel colour : Grey – various colours available Encoding technology : Hall effect Magnet strength : N42 Detent-scrolling force : 30 grams nominal Switch actuation force : 275 ± 125 grams force Left/right switch Switch actuation force : 150 ± 50 grams force