The handwheel full manual pulse generator, also called photoelectric encoder. Mainly used for nc machine tool: vertical machining center, horizontal processing center, longmen milling center, nc equipment, such as modelling novel, convenient to move, anti-interference, with load ability; All the plastic casing, the insulation intensity is high, prevent oil seal design; X10 X100 clamps its X1, with three gears magnification, can achieve four shaft magnification switch; Have control switch, abrupt stop switch optional, human nature design, easy operation.