... ; · Automated display precise flaw location(Depth d, level p, distance s, amplitude, sz dB, · Automated switch three staff gauge ... ((Depth d, level p, distance s);· 100 independence setup, any criterion can be input freely ... 8Material Velocity(m/s)1000 ~ 9999 Standard Delivery:Digital Ultrasonic Flaw Detector Main unit2.5MHZ-20 straight probe4MHZ-8x9mm, 60degree ...