... non-ferrous metal, ferrous metal pipes, rods, wire, wire, profiles online and offline testing. It has a high defect detection sensitivity ... testing such as Oil casing, sucker rods, hollow shaft4,Detection such as Condenser tubes, air conditioner pipe, auto Tubing5 ... wire rod and bar tube nondestructive testingInstrument Performance:1, Detection speed:0.1m/min~500m/min2, Frequency range:100HZ ...