Profile: Semprex Corp. manufactures precision x-y motion stages, precision ground probe needles and microscopes. Servo motor controller is a 2-axis and 4-axis programmable controllers feature advanced closed loop motor-encoder control system. Its safety features include obstruction sensing and power overload protection. Z- axis measuring system features a linear indicator that can be retrofitted to almost any microscope, focus block, or Z-stage for positioning and measurement applications.