1. Automated calibration, Automated gain 2. DAC, AVG, TCG, B scan, AWS 3. High-speed capture and very low noise 4. Solid metal housing 5. high contrast viewing of the waveform from bright 6. Powerful pc software and reports can be export to excel Features: 1. Automated display precise flaw location(Depth d, level p, distance s, amplitude, sz dB, ф) 2. Automated switch three staff gauge ((Depth d, level