76mm Precision Trackball

A high-reliability unit utilising individual precision encoders.  Used in heavy-duty industrial applications or applications requiring very precise cursor control such as military sonar,  radar, air traffic control, etc. 

Features:

•  All metal construction
•  USB, PS2, Quadrature or RS232 versions
•  1200 edges per ball revolution
•  Choice of ball colour
•  Sealed (IP65) or Unsealed (IP44) Versions