ZY-46 LED film viewer is in accordance with the standards of JB / T4730-2005 "Non-destructive Testing of Pressure Equipment" and GB / T 19802-2005 "Industrial Radiographic Film Viewer" 

Using constant current source to drive high-power LED light source, which has superb brightness and uniform light transmission. Continuously adjust the brightness steplessly to meet the needs of users to observe different blackness films. Adds the adjustable function of the optical range, which can adapt to the observation of negative film of different lengths, and has the advantages of low power consumption, light weight. The aluminum alloy shell realizes the heat dissipation of the whole machine, so that the instrument can work stably for a long time.