... a grating, and can be moved (transferred) Fixed X, Y axis, before and after the move around the desktop, you can ... of test piece, which examines the degree of vertical XY axis, set the scale to correspond with the actual measurement data ... : 7 ~ 1.1mmDouble Cross Line Generator Digital Resolution: 0.001mmZ-axis lift: 150 mm X., Y coordinate measuring indication error ≤ (3 ...