When connected to an XY plotter, the contour profile can be checked with the display unit prior to output.When Connected to a personal computer, the FORMPAK-1000 contour analysis program provides various modes of measurement and analysis.The CV-1000 has a measuring ranges of 1 (Z) by 2 (X) It is portable and can work with the optional display unit (built-in rechargeable battery).The CV-2000 offers measuring range of 1(Z) by 2 or 4 (X)The CV-3100 CV-4100 Dramatically increased drive speed (X axis: 80 mms, Z2 axis: 20 mms)The detector unit of CV-4100 series is equipped with a Laser Hologage detector