products High Precision Rotation Luminaire Goniospectroradiometer LSG-1890BCCD/LSG-1800ACCD goniospectroradiometer is a high precision automatic goniophotometric instrument for luminous intensity distribution measurement with facility for rotating the light source. The LSG-1890BCCD/LSG-1800ACCD can do June 19, 2025 没有评论