dr4540f 4.3''lcd industry video snake endoscope 4 way inspection camera borescope handheld od 4.0mm industrial endoscope 1.5m

handheld portable endoscope is a set of optical, precision machinery, electronic technology and imaging technology in one of the new nondestructive testing instrument, simple operation; to inspect all kinds of industrial piping or narrow space inside the complex equipment corrosion, crack, weld, foreign body, wear and internal parts processing and other conventional ndt technique cannot touch the non visual parts surface defects can detect detailed.