This is a portable industrial non-destructive flaw detector, which can rapidly, easily and accurately inspect, locate, evaluate diagnose various defects (crack, inclusion and pinhole, etc.) in a work piece without destruction. It can be used both in a lab and field. The instrument can be widely used in any fields that need defect inspection and quality controlling e.g. manufacturing industry, iron and steel metallurgical industry, metalworking, chemical industry etc., also be broadly used in the active safety inspection and service-life evaluation in such fields as aerospace railway transportation and boiler pressure vessels, etc. it is an essential instrument.
