... cracks,weld,stomatal,trachoma,inclusion,folede, SUD10 Digital Ultrasonic Flaw Detector Details:Specifications: Title Parameter Title Parameter Measuring range(mm) 2 ... ~ 99.99 Dynamic scope ≥32dB Port type BNC Resolution ≥40dBOperating temperature-20~50 Frequency range(MHz) 0.5 ~ 20 H×W ... ,level p,distance s,amplitude,sz dB,) Digital Ultrasonic Flaw Detector