德国viZaar工业内窥镜 ，对料管内孔进行探伤 、裂纹、气孔检测 ，确保每条料管内孔品质优良

German vizaar industrial endoscope, inspect flaw, crack, air hole of the barrel inner bore, to assure every barrel inner bore good condition.

检测范围Inspection range ：φ6X4000mm

放大倍率Enlarge ratio:4-20 times

有效相素Effective pixels:440000