Portable Industrial LED film viewer is followed by the new standard of <<Nondestructive Testing_Industrial Radiographic Illuminators Requirements>> ISO5580:1985 and GB/T19802-2005. 

Theoretical work life is more than 50,000 hours. Arbitrary regulate brightness, widely used in Unit radiographic evaluation of Mechanical, chemical, shipbuilding, and boiler and power area. Portable design makes its extremely suitable for the occasion of liquidity in the field work.