부품 번호 18AS

부품 정보
Digitronic spherometer; consists of 3 basic parts; 1 is the ball ring which is a precisioin jig ground fixture with ultra precision balls; measurement device is a precision linear position encoder w/0.0001 inch resolution, 3-is the display unit which is an electronic counter and calculator; item gives precision measurement of lens-concave, lens-convex, flats, balls, spheres, spherical segment, spherical zone, centicular shapes, comparator agains master optics, item provides a method of measuring curved surfaces w/extreme accuracy to 0.0001 in. On sagitta height range porm 0.600 in.