Handheld Polariscope ( Strain Viewer ) The handheld Polariscope ( Ref.PSV-202-D ) has been designed to cover a wide range of strain viewing applications. It can be applied to the quality control inspection of glass and plastics components and may be employed as a vertical or horizontal viewing instrument. Different from common bench type Polariscope , this handheld Polariscope adopt seperating design , that means the analyzer and polarizer are movable . In this way , the net weight is almost reduced to half . This lightweight design make it more convenient to carry . The working space available within the unit enables a wide variety of components to be accommodated for hand held examination under polarizing light., such as fish tank. Detecting object 1. any transparent glass products such as : fish tank , mobile phone cover, lighting tube, solar glass ,automobile glass,sapphire, glass container , glass handicraft 2. any transparent plastic samples such as : plastic bottle , cosmetic bottle , beverage bottle, plastic tray, plastic film 3.Crystaline material Specifications Optical path difference of full-wave plate : 560nm Viewing field: 200mm*200mm Overall size:300mm*300mm*80mm Voltage: 220V Light source: White fluorescent lamp Weight: 4.5KG