... of light transmittance, thickness shall not exceed the object thicknessTechnology design conforms to the GB 2410-80, ASTM D1033-61, JIS ... , processing, analysis and printing, etcThe thickness of the object to be tested:less than 10mmMeasureing model:A single ... glass products, etc. Plastic plate, sheet material, etc.) of the light transmittance. WTM-1000 Intelligent pervious to light meter, electronic ...