JINGKELIAN QYG film Freshness tester DOI tester
SE
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.2 1.5 2.0 Style area: not less than 60 * 60mm
Technical parameters Light source Illuminance: not less than 1200X, distinctness of image level 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.2 1.5 2.0 Style area: not less than 60 * 60mm
