Surface roughness：1.6
Detectable crack size：5mm*0.01mm*0.3mm(Length * width * depth)
Test beat：10S.
Degree of automation：Fully automatic, can be connected to production (roller feeding, CNC internal and external surface scanning, turnover, alarm, automatic sorting, roller discharging)
Other requirements for workpieces：The workpiece is clean and free of metal chips before testing. Remanence is not greater than 2.5GS