THÔNG SỐ KỸ THUẬT:Main Technical Index:FUNCTIONSPARAMETERSFrequency0.2 – 20 MHzDetection range0 - 10000 mmSound velocity100 – 20000 m/sWorking methodsPulse echo, dual, and thru-transmissionPulse Shift-5 to 3400 μs in steel (dependent on range)Zero ...