The Polariscope ( Ref.PSV-202) has been designed to observe and analyze the internal stress of transparent glass and plastic products . Valued customers : Lock & Lock , Heraeus , Ferrotec Detecting object 1. transparent glass products with complex construction. such as : penicillin bottle, ampoule , mobile phone cover, lighting tube, solar glass ,automobile glass,sapphire, glass container , glass handicraft 2. transparent plastic samples plastic bottle , cosmetic bottle , beverage bottle, plastic tray, plastic film 3.Crystaline material Specifications Retardation of full-wave plate : 560nm Viewing field: 200mm*200mm Measuring height :236mm Overall size: 310*285*350mm Voltage: 24VDC( with a AC/DC adaptor ) Light source: White fluorescent lamp Weight:8KG