Manual spectrophotometer monochromator structure

The utility model relates to a manual spectrophotometer monochromator structure which comprises a shell, the interior of the shell is divided into a first cavity and a second cavity, a grating structure is arranged in the first cavity, a lens cone is installed on the outer side of the first cavity, a color filter disc is installed in the first cavity and located at the position of the lens cone, and the grating structure is arranged in the second cavity. And a collimating mirror is mounted in the first cavity. The monochromator is formed by injection molding of special plastics through a mold, the monochromator is integrated with an external light path system at the same time, the structure and appearance design of an instrument are greatly simplified, an internal light path and an external light path of the monochromator are integrally formed, and the reliability and stability of the structure are greatly improved. 本实用新型涉及一种手动分光光度计单色器结构，包括壳体，所述壳体内分隔成第一腔体和第二腔体，所述第一腔体内设置有光栅结构，所述第一腔体外侧安装有镜筒，所述第一腔体内且位于镜筒处安装有滤色盘，