HA400 absolute value reading head (grating ruler)

Harvey HA400 absolute reading head (grating ruler), grating ruler has high accuracy and strong dynamic control performance. The Harvey brand grating ruler has a small single signal period error, and the single signal period error is controlled within& amp; #177; 0.5%, the smaller the error, the smoother the positioning accuracy and slow processing, as well as the speed during axis motion, thus determining the quality of the machined surface.