Polariscope™ Chirag electronics manufactures and offers a polaris cope meter specifically and especially useful for pet preform manufacturers and pet preform industries. It is an optical inspection device used to detect internal stresses in plastics. A polaris cope is composed chiefly of a light source and two crossed polarized sheets. The light source is mounted beneath one sheet and is powered by external power source of 220v a. C. With earthen pin. Material to be examined is s of the fringes the preforms are aligned at 45 degrees to the polarizing axis and at 0 degrees to view the black isoclinics. Quantity : 1 no. Size : 350 mm x 350 mm x 350 mm Weight : 9 kg approximately.