... gain 3.continue working time up to 10 hours Detailed Product Description Digital Ultrasonic Flaw Detector ... Depth d, level p, distance s, amplitude, sz dB, · Automated switch three staff gauge ((Depth d, ... updated; · Li battery, continue working time up to 10 hours; · Other assistant function;· Display freeze;· Automated ... 5 ~ 20H×W×D(mm)240×180×50Gain(dB)0 ~ 110Weight(kg)1.8Material Velocity(m/s ...